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Although it is November and Huawei is seeding the security patch for November 2021 for various Huawei devices, the firm is currently delivering the first HarmonyOS security upgrade in December 2021 in advance. As per the source of the news, the first HarmonyOS upgrade for December 2021 has already gone out for the Huawei Enjoy 2 tablet. According to the changelog, the software version of HarmonyOS 2.0 for this tablet is 2.0.0.225. This article will lay an in-depth discussion on this update. Latest Updates of Harmony OS? Huawei announced HarmonyOS, which is a self-developed system, in August 2019. It is also known as HongmengOS. It is a multi-device operating system intended to provide a rich user experience through all devices and circumstances. It is a novel distributed OS based on microkernel technology. Read Top 7 Statistical Software to Learn for Data Analysis in Research Works HarmonyOS 2 is Huawei's most recent version of their first-party operating system — which seems to be based on Android. The latest version was announced during Huawei's Developer Conference in September, and the first betas of HarmonyOS 2 began rolling out in February for compatible devices. Huawei's newly introduced P50 series comes with HarmonyOS 2. Huawei is expected to keep HarmonyOS exclusive to the Chinese market initially and then open it to worldwide consumers after a successful test in the home market. Additionally, Huawei is expected to prioritize HarmonyOS upgrades for handsets released exclusively via Huawei Mobile Services (HMS). WhatsApp will enable users to stop voice message transmissions and restart recording later. Read Digital Addiction of Children: How can parents get kids off screens? Key Features of the New Update? The Harmony OS is powered by Huawei Mobile Services (HMS), which enables Huawei phones to communicate with other devices, like Smart TVs and watches, using the same operating system. The new operating system's goal is to completely remove the usage of Google-related services. Here are a few key features of the new update: New Home Screen, Control Panel, Service Widgets, Smart Folder, Service Center, HarmonyOS Fonts, Huawei Share, Super Device, Task Center, Smart Home, App Guard, Better Performance, and Collaborative Security. What are Improvements from the Last Version? The firm is constantly improving its software. The new HarmonyOS 2.0 Beta release has several enhancements. It comes in a 5.88GB bundle. Let us discuss the highlights of the HarmonyOS 2.0 latest features. New Icons Huawei's latest update adds new icons to the UI, giving it a new appearance. Additionally, there is a tiny modification to the "more"; it was previously three dots, but the most recent update altered it to 4 dots. Read How to Break Internet Addiction? Card-Like UI HarmonyOS 2.0's most recent upgrade included a more card-based user interface. The card-like or box-shaped design language is used throughout the OS. Secondary Menus When a user is pressed for time, the main menu is the most convenient option. A user may simply access settings, Wi-Fi, and mobile data from the menu. Even the menu's flashlight option is really handy. To enhance the experience, the latest version of HarmonyOS 2.0 includes auxiliary menus. When the menu bar is slid down, extra options become accessible. Application Clone HarmonyOS 2.0 has an application cloning feature. This is a really useful tool. For instance, if a user has two distinct phone numbers and wishes to create two WhatsApp profiles, the application clone functionality enables them to simply create a WhatsApp clone. This functionality has been enhanced to include additional apps. Read How to Check Official Phone Using BTRC IMEI Number? Message Pop-up This is my personal favourite feature thus far in the Developer Beta Version of HarmonyOS 2.0. The message pop-up function enables you to see a notification in a split-screen mini-window. It has no effect on background applications. Additionally, you may quickly resize the programme window. Blur Engine Gaussian blur is used in the backdrop of the drop-down menu bar by the real-time blur engine. Although it looks fantastic, it needs more electricity. For this time being, this functionality is only available on the Mate40 and Honor V40 series. From May 31st, the beta version of HarmonyOS 2.0 will be offered to a broader audience. Numerous popular Huawei phones are already compatible with the OTA update. What are your thoughts on HarmonyOS, and can Huawei succeed with its own operating system? Kindly inform us in the space below. Read Why are Smartphone Makers Increasing Prices? What are the Drawbacks? There are only a few drawbacks that HarmonyOS have shown until now. Like, when the site is swung to the left, a stuttering effect occurs sometimes. This should be caused only by an issue with the suggested label, indicating that the issue is not significant in and of itself. However, several international game bloggers report that Huawei's Harmony 2.0 version sometimes freezes while entering a game at this point. According to Huawei's official announcement, Android users may continue to utilize the Harmony system. It is a thorough examination of this subject. The fact that the majority of Android app call interfaces feature Android channels is an unavoidable issue. Read Credit Card Fraud Prevention: How to Protect Your Credit Card Online? Thus, whether the file name includes simply the Android name or the complete file is duplicated and copied, there is no other way to check this except via the source code. Bottom Line The United States' ban on Huawei has prompted the business to pivot quickly and significantly increase the capabilities of a microkernel OS it was developing for televisions. Huawei combines Microsoft and Apple's legacy concepts and present technology to make a next-generation platform that is already proving successful in Europe and Asia. Huawei gives a developer experience that is far superior to Apple's while maintaining a similar focus on quality and user experience. Huawei's new second-generation Harmony OS is a marriage of cutting-edge technology and tried-and-true principles that promises a developer experience much superior to anything Apple can or will give. Read Top free infographic tools and software

Data analysis is the process of dealing with data to appropriately organize it, interpret it, present it, and draw conclusions from it. It is carried out in order to extract relevant information from certain data in order to make sensible judgments. To do data analysis in the most feasible way, the individual's responsible use tools that provide the best outcomes. Though there are several options available, data analysts should pick intelligently to maximize the value of their analytical work. That being stated, this post will discuss the top data analyst tools and highlight their essential characteristics for various sorts of analysis procedures. Why is Data Analysis Essential for Research? It's especially critical if people are interested in gaining deep corporate insights, managing enormous amounts of data, or forecasting future events and possible scenarios depending on various factors. Numerous sectors, including healthcare, research-based development, and higher education, depending on statistical analysis tools. Read Best Productivity Tools, Apps, and Software to Organize Your Work From detecting historical patterns, forecasting future trends, and organizing research to analyzing millions of health-related data in order to save lives, the appropriate software enables professionals to make sense out of data and transform it into something useful. If making sense out of data gets difficult or data points are numerous, spreadsheets and simple tools will not suffice. Rather than that, analyzers should make an investment in statistical analysis software. Top Statistical Software Required for Data Analysis Here is the best statistical software that is available for users and provides the best results. All the prices stated are converted from USD at a conversion rate of USD 1 = BDT 85.81 : IBM SPSS Due to its very user-friendly design, IBM SPSS is one extensively used statistics tool. According to IBM's official website, around 81% of reviewers rated SPSS as easy to use, making it an excellent option for novices. However, don't be fooled by its beginner-friendliness; it carries a lot of punch, and it is also a fantastic match for professionals. Read Top free infographic tools and software At its heart, it enables users to analyze as well as make proper sense of data in order to make data-driven choices, identify new possibilities, forecast future trends, and increase productivity. Additionally, users may combine and match different dozens of different SPSS products just to build a bespoke statistical analysis software for their company, research project, and institution. IBM's most popular statistical analysis modules are priced as follows: SPSS Statistics package - BDT 8495 monthly for each user SPSS Modeler package - BDT 42817 monthly for one user Both choices feature a 30-day trial for free to see whether the product is a good fit for an analyses team before buying. Read Video Meeting Apps/ Software to Run Home-Office Effectively during Quarantine Minitab Minitab is one of the greatest online statistical tools, but it's especially affordable for universities and academic organizations. Today, it is used by over 4000 educational institutions worldwide to produce and analyze data. Students, professors, and institutions may hire multiple Minitab modules, including Express, Statistical, and Workspace, at significant savings. It enables users to quickly uncover patterns and hidden correlations between variables in both current and historical data. As a result, students graduate with the capacity to make data-driven choices and identify patterns that they would not have discovered otherwise. It's a win-win condition for both students and prospective employers. Read Top Online Proof-reading and Editing Tools in 2021 Minitab provides a free 30-day trial period during which customers may select between a single-user and a multi-user license with significant rental reductions for students, educators, and educational institutions. Single-User License – BDT 141751 yearly per unit License for Multiple Users – Price upon request Discounts are not listed on the website, so you'll need to contact Minitab's sales staff for further information. Read 10 Best Free Online Grammar, Punctuation Checker Tools In 2021 Stata Stata is a complete statistical solution aimed at data scientists working in many disciplines, including medicine, economics, finance, behavioral science, and marketing. It is well-suited for manipulating data, exploring it, visualizing it, and doing statistical analysis. The software has a graphical user interface (UI) and a command-line interface, making it accessible to users with and without programming skills. There are four packages for Stata, and prices are decided by licensing type, which includes single or multiple users and site license and varies according to the plan selected. Read Best Online Book Selling Websites in Bangladesh in 2021 SAS/STAT Whether it’s a big or small data set, SAS/STAT provides comprehensive and scalable business intelligence tools to assist in making smarter choices. Additionally, the organization has over 40 years of expertise in building statistical analysis tools for enterprises. As a result, users can be certain that they are dealing with a seasoned team of specialists that really understand their craft. JMP While SAS is capable of doing all types of statistical analysis, JMP is largely focused on targeted consumer segmentation and market research. It's a hyper-targeted service that enables marketers, data engineers, and decision-makers to learn about their target audiences via data analysis. Read Extensive research needed to unlock potentials of blue economy: Minister At its heart, JMP enables people to handle, analyze, and display market data more efficiently and effectively, giving them an edge over the competition. MATLAB MatLab is a widely used analytical platform and programming language for engineers and scientists. As with R, the learning curve is severe, and users will eventually be asked to write code. Additionally, a plethora of toolboxes is accessible to assist people in answering research queries. While MatLab might be challenging for beginners, it provides enormous freedom in terms of what users can achieve — as long as they can write it. GraphPad Prism Graphpad Prism is a data analysis and statistics application designed specifically for use in scientific research. It has a comprehensive set of statistical functions and is utilized by scientists in a wide variety of sectors, including life sciences, health care, biotechnology, and pharmaceuticals, as well as technology, automotive, and telecommunications. Read Best Job Searching Websites in Bangladesh Though it is designed for scientific domains, it does not need any programming experience to produce a broad range of data visualizations. The prism helps people to work smarter by simplifying curve fitting and task automation with features such as one-click regression analysis. Conclusion Choosing the finest statistical analysis software will vary according to the kind of data you're analyzing and the features you desire. Additionally, you should possess the technical expertise and motivation necessary to get the most profound insights from your data. This guide will assist people in determining the finest software for your statistical analytics requirements, and you're certain to discover a fit for your organization here. Read Big picture, big data: Swiss unveil VR software of universe

Malaysia Prime Minister Dato’ Sri Ismail Sabri Bin Yaakob has inaugurated the newly refurbished and upgraded Huawei Customer Solution Innovation Center (CSIC)  at Integra Tower of Kuala Lumpur. Huawei Customer Solution Innovation Center (CSIC) was launched as part of the celebrations to commemorate Huawei’s 20th anniversary. PM Dato’ Sri Ismail Sabri said, “The CSIC is a testament to Huawei Malaysia’s commitment to the nation’s digital transformation.”  Read: Huawei to invest $50 million to develop 500,000 digital talents in Asia-Pacific He also thanked Huawei for accelerating digital transformation and strengthening the development of Malaysia’s innovative platforms since 20 years ago. Michael Yuan, Chief Executive Officer of Huawei Malaysia, was also present at the event, said a press release. CEO Yuan said this center will act as a catalyst to accelerate Malaysia’s digital transformation and to capitalize on the potential of advanced technologies and assist in driving investments in the digital economy for the nation. Read: Toppers of Huawei's Seeds For The Future 2021 Bangladesh named “Through the CSIC, Huawei will continue to bring global experiences to serve the needs of the ICT industry in Malaysia and to assist local stakeholders in succeeding in their businesses,” the CEO added. Huawei’s CSIC was designed as an Information and Communications Technology (ICT) Hub and Centre of Excellence to drive the industry’s open ecosystem and accelerate digital economy transformation in Malaysia.    The state-of-the-art technology and solutions displayed in Huawei Malaysia CSIC aims to assist the nation in becoming the ASEAN Digital Hub. Read Seeds for the Future winners visit Huawei Bangladesh headquarters The CSIC aggregates the company’s over 120 reference applications and services globally. Huawei launched CSIC in Bangladesh in 2016. Since then, it has been playing a pivotal role in ICT through the exchange of the world's best technological knowledge and practices and innovation in business solutions.

OPPO has recently introduced another stylish phone from its A series – OPPO A95 on Wednesday in the Bangladeshi market to empower the smartphone users so that they can ace their everyday tasks with flying OPPO Glowing Rainbow Silver and Glowing Starry Black colors with Punch Hole AMOLED FHD+ 6.43-inch display thru All-day Eye Care to deliver a better viewing experience to spark up their smartphone experience only at Tk 22,990.  It boasts the unique design, creating a glossy finish and a matte texture. The users will not have to worry about any spot or tear as well as A95 is fingerprint-resistant, scratch-resistant, wear-resistant, and fire-resistant design. The device crams an under-display fingerprint scanner which is pretty impressive, said a press release. Read:OPPO Reno6 goes on sale It features also large 5000mAh battery and 33W Flash Charge, that can charge the phone to full capacity in just 72 minutes. Only 5-minute charge, ensure 1.8 hours of YouTube video viewing and 5.7 hours of voice calls. It also equipped with 8GB RAM+128GB ROM along with OPPO-developed RAM Expansion technology. OPPO A95 comes with a 48MP Triple-camera set-up together with AI-supported to capture beautiful snaps. With 16MP front camera and OPPO’s AI Beautification and Front Night Mode features, selfie lovers can easily take more defined and detailed selfies. For video lovers, this phone is facilitated with a series of exciting features such as Steady Video, SLO-MO and SoLoop, enabling the users to record every treasured moment of their lives. Read: OPPO Reno6: The new beauty in the town with Cinematic Bokeh Flare portrait ColorOS 11.1 to ensure enhanced productivity, entertainment through FlexDrop, Hyper Boost technology, Game Assistant, Game Focus Mode and Bullet Notifications for ensuring an immersive gaming experience for gaming lovers with powerful Qualcomm® SnapdragonTM 662 engine. OPPO’s A series has earned reputation among the smartphone users for its amalgamation of stylish design and technological innovations. The new release of A95 meets the everyday needs memorable of the fans and users. OPPO A95 is now available in the market and its first sales have already begun. Smartphone aficionados who will buy this phone will get Special Free Sound Bar as gift (first come first serve basis).  Read Oppo joins Connectivity Standards Alliance's board of directors

Technological advancements have brought limitless benefits in diverse sectors including medical science, communication, infrastructure, education, etc. In this era, boundless access to technology is also affecting children. Many kids are getting addicted to excessive screen time. Let's discuss the implications of digital addiction on kids. We will also discuss how to beat internet addiction in children. Is Technology Addiction a Real Threat for Children? Technology advances and changes at the same rate as children. It is only normal for a parent to be concerned about what their children are experiencing as a result of their continual exposure to devices. According to research, the physical structure of the brain changes as a result of repeated encounters. However, it is the child's interpretation of the experiences that produce this blueprint for brain growth, not the experiences themselves. Also Read: How to Break Internet Addiction? Nerve impulses are fired in the brain every time a youngster goes through an experience. These brain pathways are repeatedly activated as a result of repeated encounters. The stronger neural connections get the more frequently they are used. As a result, a youngster who watches TV or plays video games on a regular basis will have a brain that is physically different from a child who does not. Similarly, parts of the brain that are not used frequently can get rusty. When neuronal connections are not used on a regular basis, they gradually stop working. The internet provides an escape for children and teenagers to avoid unpleasant feelings or situations for which they intentionally spend more time on screen. They let go of sleep in order to spend time online. They are also found to isolate themselves from family and friends in order to escape into the comfortable online environment that they have sculpted and have the power to more or less control. Children with a lack of rewarding or caring interactions, as well as inadequate social and coping skills, are more likely to engage in improper or excessive online behavior. They turn to invisible strangers in online chat rooms for the attention and camaraderie they lack in their real-life because they feel alone, alienated, and may have difficulty making new friends. Also Read: Generation growing up with digital addiction since childhood They may come from homes where there are serious problems, or they may be bullied or have difficulty socializing in school and extracurricular activities, so they use the internet to cope with their problems. They learn to instant message buddies instead of developing face-to-face interactions, which might have an impact on how they relate to their peers.

Walton has started a countrywide mobile fest to create awareness about the purchase of legal and registered mobile phones made in Bangladesh and promote the company's phones. The month-long mobile fest started in the capital's Kamrangir Char on November 17. Read Walton launches 'Budget Boss' handset GH11 with triple rear camera Wasik Jahan Eshan, the marketing coordinator of Walton Mobile, said: "International-standard handsets are now being manufactured in Bangladesh with advanced technologies and the latest features. These phones are being registered following the direction of the Bangladesh Telecommunication Regulatory Commission (BTRC)." The ongoing mobile fest is trying to raise awareness among people so that they purchase and use registered and valid handsets, according to a media statement. Read Walton sells Tk127 crore electrical appliances in March: New record for the company

Telecom operator Robi has launched the "Bijoyer Shurey Notun Experience" campaign for the second year in a row. This time, people will get an opportunity to work with the legends and the latest sensations of the music industry to recreate the iconic song "Purbo Digonte Shurjo Utheche" to celebrate Victory Day 2021. As part of the initiative, this iconic song was selected based on the number of votes it received from the people through a social media polling that took place on Robi's Facebook page. Read Robi wins silver at ICMAB Best Corporate Award Written by lyricist Gobinda Halder and originally composed by Shomor Das, the new edition song will be performed by the selected participants alongside renowned artists like Dalia Nausheen from Shadhin Bangla Betar Kendra, Hasan from band Ark, Zohad from Nemesis, Tanzir Tuhin from Avash, Sharmin Sultana Shumi from Chirkutt and Sabrina Porshi. Chirkut's drummer and music composer Pavel Areen has been roped in for the new composition of the song. "It is a great honour and privilege to pay our humble tribute to our war heroes through the recreation of the iconic song as we celebrate our 50 years of victory. I very much enjoyed conducting the musical performance last year, and this year I aim to take it a notch up," Pavel said. Read Robi partners with Green Delta to provide health insurance package Robi's Chief Commercial Officer Shihab Ahmad said, "Seeing the phenomenal success of last year, we have decided to recreate another iconic song of victory. Our objective is to present these iconic songs to our new generation for them to cherish, appreciate the essence of our victory for years to come."

Addiction to the internet happens when people get dependent on the use of the internet. It can be texting, constantly peeking, or using social media. Professionals have compared this addiction to drug addiction because it impacts a person’s health, daily life, work performance, mental process, and engagement with others, the same way drugs do. The American Psychiatric Association has reported that children between the ages of 13 and 17 are practically always online. These figures demonstrate that addiction to the internet is becoming more prevalent and real on a daily basis. Are you addicted to the internet? Do you want to know the way out? Stay with us! Why is Digital Media Addiction Harmful? Health professionals often state that too much sitting is the new smoking. However, perhaps it is more worrying is what people normally do when seated. Like, mindlessly browsing through social media accounts when they have a few free minutes. And, as we presumably instinctively understand, and as researchers confirm, this is a harmful practice for our collective psyche. Here are a few most terrific impacts social media addiction can bring upon people’s overall health. A Sense of Inadequacy Social media users are aware that the photographs they see on these media are edited. These things nevertheless make them feel uneasy about their appearance or current circumstances. Similarly, people mostly share only the great aspects of their life, seldom the terrible ones that they encounter. However, this can provoke the emotions of jealousy and unhappiness when an unhappy person goes through a friend's retouched images doing exciting things like visiting an exotic beach vacation, celebrating a new job promotion, partying in a lavish restaurant, etc. Read Generation growing up with digital addiction since childhood Fear of Not Having Anything There is a term for it that refers to The Fear of Missing out or FOMO. FOMO occurs when social media platforms like Instagram and Facebook seem to intensify emotions that other people are having fun or enjoying lives that someone else dreams of.  The belief that one is missing out on some things might have a negative effect on one’s self-esteem, and provoke one’s anxiety. Which in turn will motivate that individual to engage in even more social media usage.

The first sale of new phone from OPPO’s Reno series– OPPO Reno6 has been kicked off officially on November 11 and the detailed plans to celebrate first sale of Reno6 with their fans and users has been chalked out. Customers who pre-ordered Reno6 will get the handsets in their hands on 11 November during the first sale celebration. Customers (those who pre-ordered) will then be able to collect their pre-order gifts like free bar speaker and be entitled to enjoy Swap exchange offer up to 15% extra bonus, up to 12 GB free data and avail of one-time free screen replacement for first three months. Read: OPPO Reno6: The new beauty in the town with Cinematic Bokeh Flare portrait There has been huge anticipation among smartphone users for OPPO Reno6. Reno Series has always brought in something special as far as photography is concerned for the users. In continuation to that, Reno6 is facilitated with Cinematic Bokeh Flare portrait, 64MP quad-camera setup and OPPO’s powerful AI Highlight Video. With such exquisite camera setup, the users can enjoy professional-level portrait photography experience. With a thickness of only 7.8mm with around 173g in weight, Reno6 feels so lightweight and looks super-slim. The design of this phone is stunning as it offers the sparkling beauty of OPPO Reno Glow. Equipped with 90Hz refresh rate, this phone delivers immersive and smooth smartphone experience. It also features 4310 mAh battery along with 50W Flash Charge for faster charging facility. The users will be able to charge the phone to 100% in just 48 minutes as per OPPO lab test. Reno6 also comes with other exciting features such as Super Power Saving Mode, Super Nighttime Standby, multi-cooling system and OPPO-developed RAM expansion technology. Read: Gift yourself Reno6, OPPO's latest beauty Equipped with 8GB RAM and 128GB ROM, Reno6 is available in two dazzling colors - Aurora and the Stellar Black. This spectacular phone is now available in all the outlets located around the country. The wait is finally over. Visit your nearest outlet and get your one if you want to step up your style quotient and stand out from others. As part of the celebration, cake-cutting ceremony in respective area shops will be held November 11. Moreover, a Reno Carnival will be organized for the O fans at Bashundhara City and Jamuna Future Park. By simply participating in the carnival, the customers can win exciting prizes such as fridge, micro oven, coffee maker, Enco W11, Bluetooth, USB fan, t-shirt box, doll and earphone through winning points, which can be earned by purchasing OPPO phones. As long as the gifts will be available in stock at Bashundhara City and Jamuna Future Park, the carnival will continue.  Read Top features of vivo Y series

The graduation ceremony of Huawei's program Seeds For The Future 2021 Bangladesh was held online Monday. In the event, Posts and Telecommunications Minister Mustafa Jabbar awarded the top 16 talents, selected under this programme from eight renowned universities of Bangladesh. This year, the winners from Bangladesh and other countries received a wide range of training and technological orientation in the online training sessions from Huawei Headquarters. Read: Huawei to invest $50 million to develop 500,000 digital talents in Asia-Pacific They got an overview of different issues and areas, including telecommunication networks, key technologies in ICT, 5G, artificial intelligence and cloud computing. The project presentations submitted by Bangladeshi students were shortlisted for a global competition round – with students from 130 countries. The top three projects will be announced in January 2022. At the graduation ceremony, Professor Md Akhtaruzzaman, vice-chancellor of the University of Dhaka, said, "Our students have innovative ideas. With proper knowledge and experience, they can transform those ideas into reality. From the university side, we are trying. But the ecosystem is also important. I would like to thank Huawei for working to develop future ICT talents." Read Toppers of Huawei's Seeds For The Future 2021 Bangladesh named Zhang Zhengjun, CEO of Huawei Bangladesh, said: "In Bangladesh, we have a huge number of amazing resources; and that is the large portion is youth talents. Huawei believes youth is the main engine of development as well as digital advancement. Huawei also values them and praises their competency." Huang Baoxiong, chief of the human resource department at Huawei Bangladesh, said: "Huawei acknowledges that every youth is like a seed. They are innovators, creators, and leaders who will carry the world towards sustained prosperity. That is why they must be empowered as learners, developers, contributors, entrepreneurs, and decision-makers. Seeds For The Future aims to do that." This year's Seeds For The Future programme started in Bangladesh on September 13. Read: Huawei hosts international summit 'Green ICT for Green Development' The University of Dhaka, Bangladesh University of Engineering and Technology, Rajshahi University of Engineering and Technology, Chittagong University of Engineering and Technology, Khulna University of Engineering and Technology, Ahsanullah University of Science and Technology, East West University, and Islamic University of Technology joined the event. Later on, 16 ICT talents, one male and one female student from each university, were chosen from these universities through selection rounds. Seeds For The Future is Huawei's flagship corporate social responsibility (CSR) programme dedicated to science, technology, engineering, and math (STEM) students worldwide and is meant for inspiring ICT talents. It was launched in Bangladesh in 2014. Read First virtual human to join Huawei Cloud