How To Use Secret Codes On Oppo A9 2020 Upd Hot! • High-Quality
✅ Most reliable after ColorOS update: (Oppo's own hardware test menu)
, simply open your app and type the code exactly as shown below. Most of these codes will execute automatically as soon as you type the final character (usually a # or * ), so you typically do not need to press the call button. Common OPPO A9 2020 Secret Codes
Accesses touchscreen, display, camera, and sensor calibration. *#06# how to use secret codes on oppo a9 2020 upd
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: Shows the PCB (mainboard) serial number and hardware version. ✅ Most reliable after ColorOS update: (Oppo's own
Note: Many codes depend on ColorOS version; some codes are disabled by manufacturers or carriers.
*#*#4636#*#* — Shows phone information, usage statistics, and battery information. B. Network & Connection Codes *#*#4636#*#* — Shows phone information
: Some codes, particularly those related to "Factory Reset" (like *#8778# ), may erase your data immediately without a confirmation prompt.
