How To Use Secret Codes On Oppo A9 2020 Upd <Fresh 2025>

How to Use Secret Codes on Oppo A9 2020: A Comprehensive Guide

*#*#4636#*#* – Phone Stats: Shows detailed information about battery health, usage statistics, and Wi-Fi/network signal strength. how to use secret codes on oppo a9 2020 upd

Here’s a clear, helpful, and safe guide on how to use secret codes (also known as USSD codes or engineering codes) on the Oppo A9 2020, especially after a software update (ColorOS 11 or 12 based on Android 10/11). How to Use Secret Codes on Oppo A9

Software Version: Shows deep details like Android version, Kernel, and ColorOS build. *#800# Camera test : Use the #0 # code

*#*#426#*#*: Opens FCM Diagnostics to view Google Play Services and Firebase connection events.

• Camera test: Use the #0# code to test your device's camera and ensure it's functioning correctly.
• Display test: Use the #0# code to test your device's display and detect any issues with the screen.
• Sensor test: Use the #0# code to test your device's sensors, including the accelerometer, gyroscope, and proximity sensor.

Part 7: Final Comparison – OPPO A9 2020 vs Other OPPO Codes

Some codes that work on OPPO Reno or Find series do not work on the A9 2020 because of the different chipset (MediaTek vs Snapdragon). Avoid wasting time on:

IMEI Check. Displays your device's unique identification numbers. *#*#4636#*#*