Global smartphone maker Oppo has brought A77 to the Bangladesh market with Glow Flat-Edge Design, 33W SUPERVOOC charging, a thickness of 8mm, a 5000mAh battery, Ultra-Linear Stereo Speaker, and other features. The phone was made available for purchase in stores Thursday for Tk22,990. A77 is powered by Helio G35 12nm chipset, up to 8GB RAM Expansion, ColorOS 12.1, and an IPX4 Water Resistance. It is available in Sky Blue and Sunset Orange colours. The device has a 6.56-inch 60Hz Color-Rich Display with a resolution of 1612 x 720, and a waterdrop screen accounts for an "unmatched viewing experience." Read more: OPPO A77s Review: Is it worth buying? For photography enthusiasts, A77 has been equipped with a double camera setup at the back, consisting of a 50MP main camera and a 2MP depth camera in addition to an 8MP front camera. The device's 128 GB ROM allows users to store photos with ease. With the option of up to 8GB RAM expansion, A77 customers can add up to an extra 4GB RAM to the existing stock of 4GB.

Global smartphone brand vivo has released three new smartphones this year with expandable memory. All three devices – the V21, V21e, and Y53s – come with 8GB RAM and use software to borrow additional space from the inbuilt storage and allot it to RAM, further expanding it by up to 3GB. "The new expandable RAM feature enables enhanced multitasking capabilities and ensures superior performance for gaming, content creation, and productivity, thus empowering users to do more. We understand customer preferences and strive to bring them more advanced solutions," Vivo Bangladesh Brand Manager Tanzib Ahamed said. Read OPPO A16 Review with Price in Bangladesh The latest offers from vivo include better performance, higher storage, and seamless multitasking with expandable RAM. vivo V21, V21e The newly launched V21 series in Bangladesh features the vivo V21 and V21e, both known for innovative camera technology and expandable storage. The onboard 8GB memory can be expanded to 11GB, using software to allocate 3GB of space from the internal storage as virtual RAM. It significantly enhances the phone's capacity for multitasking. Read realme Book Slim: Elegant Laptop with robust performance for Youths V21 retails for Tk32,990 and V21e for Tk26,990. vivo Y53s Y53s comes with 8GB RAM, and like the V21 phones, it holds the capacity to expand its memory to 11GB by using internal storage. The phone retails for Tk22,990, according to a press release. Read Samsung Galaxy A52s 5G: What will it offer?