OPPO promised one major Android update for the A57s (typical for budget phones).
| Update | Firmware Version | Release | Changes |
|--------|----------------|---------|---------|
| Android 12 → 13 | CPH2387_11_C.20 | July 2023 | Android 13 + ColorOS 13 (Aquatic Design), new media player, improved privacy indicators, better RAM expansion. |
| Security patch only | C.22 | October 2023 | October 2023 security patch, fixed a Bluetooth stability bug. |
| Security patch only | C.24 | January 2024 | January 2024 patch, improved thermal throttling during summer. |
| Final known firmware | C.26 | April 2024 | April 2024 security patch, fixed a bug where notifications wouldn't clear. |
After C.26, OPPO moved the A57s to quarterly security updates (as per their policy for budget devices).
No Android 14 – the MediaTek Helio G35 and limited eMMC storage made Android 14 too heavy; OPPO confirmed this in a community post in May 2024.
| Situation | Action | |-----------|--------| | Normal update | Settings → Software Update | | Slow/glitchy phone | Wipe cache in recovery | | Won’t boot (logo loop) | Flash OTA zip via recovery | | Black screen, no power | SP Flash Tool + full stock ROM | | Need exact firmware file | OPPO Service Center or oppofirmware.com (verify CPH2385) |
The OPPO A57s (CPH2385) Go to product viewer dialog for this item. Firmware OPPO A57s
relies on ColorOS firmware to manage everything from its 50MP AI camera to the MediaTek Helio G35 processor. Keeping this firmware updated is critical for security, system stability, and accessing the latest Android 12 features. Why Update Your Go to product viewer dialog for this item.
Regularly updating your stock ROM ensures your device remains optimized. Key benefits include:
Bug Fixes: Resolves issues like "hang on logo" or "dead boot".
Performance: Optimizes the Helio G35 chipset for smoother multitasking.
Security: Provides the latest Android security patches to protect your data. OPPO promised one major Android update for the
Stability: Fixes camera software glitches and system crashes. How to Check Your Current Firmware Version
Before updating, you should identify your current build. You can use secret codes or the settings menu:
Secret Code: Dial *#1234# on your keypad to view the firmware version instantly.
Settings Menu: Go to Settings > About Device > Software Update to check for pending OTA (Over-The-Air) updates. Methods to Install or Reinstall Firmware 1. The Standard OTA Method (Recommended) This is the safest way to update without losing data. Connect to a stable Wi-Fi network. Go to Settings > Software Update. If an update is available, tap Download and Install. The phone will reboot once the process is complete. 2. Manual Update via Recovery Mode
If your phone is acting up or you have a specific firmware file on an SD card: | Situation | Action | |-----------|--------| | Normal
Download the correct CPH2385 firmware for your region (e.g., Global or GDPR). Move the .zip file to your SD Card.
Power off the phone. Hold Power + Volume Down to enter Recovery Mode.
Select Install from storage device > From SD card and select your file. 3. Flashing via PC (Advanced) Used for fixing "bricked" devices that won't turn on. Kode untuk OPPO A57s - HardReset.info
No PC required.
If no update appears, your device is already on the latest official version for your region.