Oppo unveiled the A57 in April with Dimensity 810 SoC and 5G connectivity, and now it has announced a 4G-only version powered by the Helio G35 chip. That's not the only difference between the two variants, though. The 4G model packs a 5,000 mAh battery which now charges faster up to 33W instead of 10W, but the screen refresh rate is reduced from 90Hz to 60Hz. It is still a 6.56" LCD having HD+ resolution. The memory and storage have also come down. You get 3GB RAM and 64GB of storage onboard. However, the Oppo A57 4G supports RAM expansion up to 4GB - which will hardly make any...
Source: https://www.gsmarena.com/oppo_a57_4g_specs_price_sale_date-news-54453.php
