How To Use Secret Codes On Oppo A9 2020 Upd Instant

Secret Codes on Oppo A9 (2020) — Quick Guide

• Be careful when using secret codes: Some secret codes can potentially harm your device or void your warranty. Use them at your own risk.
• Codes may not work on all software versions: Secret codes may not work on all software versions or variants of the Oppo A9 2020.
• Oppo may patch codes in future updates: Oppo may patch or remove secret codes in future software updates, so keep an eye on updates and adjust your usage accordingly.

Step 1: Open the Phone Dialer

Maximum SAR Level (*#07#)

: Displays the Specific Absorption Rate (radiation level) of your device. Service and Testing Codes

• 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.

Provides detailed information about your ColorOS version, Android version, kernel, and build number. (Engineer Mode): how to use secret codes on oppo a9 2020 upd

• Ensure you typed it exactly.
• Try via the dialer app's keypad (not a contacts search).
• Some codes only work with root access or specific ColorOS builds.
• Carrier/OEM may block dangerous codes.

Type the specific code exactly as written (e.g., *#06# ) into the keypad. Secret Codes on Oppo A9 (2020) — Quick Guide