Some units experienced phantom touches while charging, especially with non-OPPO chargers. OPPO released firmware A.07 (October 2022) that adjusted touch panel firmware (TP FW) and charging noise filtering.
—is essential for security, performance, and accessing new features like ColorOS 14 (Android 14) Firmware OPPO A57s
are often used, though these typically require authorized login credentials. Important Safety Precautions Backup Data 000 ($145) phone in 2022
For a ₹12,000 ($145) phone in 2022, the A57s firmware did its job reasonably well — but it’s no longer a device for enthusiasts or tinkerers. Firmware OPPO A57s
The safest way to get the latest firmware is through the device's built-in update tool: Open . Scroll down and select About Phone (or About Device ).