– Hardware Test (Alternate). If *#899# doesn't work on your specific firmware version, try this. It runs a quick pass/fail test suite.

– System Status. Shows if your device status is “Official” (not rooted) and basic software metadata.

To use these codes, you do not need to install any extra apps. Follow these steps: Open the app (dialer) on your OPPO A12e.

These are incredibly useful if you notice a sensor malfunction (e.g., screen not rotating, proximity sensor failing during calls).

Do not modify settings in Engineer Mode unless you are a trained technician, as changing hardware parameters can lead to device instability. Compatibility:

If a menu option says “Write,” “Reset,” “Delete,” or “Format,” do not touch it unless you are following a repair guide from a trusted source.

How To Use Secret Codes On Oppo A12e ^hot^ -

– Hardware Test (Alternate). If *#899# doesn't work on your specific firmware version, try this. It runs a quick pass/fail test suite.

– System Status. Shows if your device status is “Official” (not rooted) and basic software metadata. How to Use Secret Codes on OPPO A12e

To use these codes, you do not need to install any extra apps. Follow these steps: Open the app (dialer) on your OPPO A12e. – Hardware Test (Alternate)

These are incredibly useful if you notice a sensor malfunction (e.g., screen not rotating, proximity sensor failing during calls). – System Status

Do not modify settings in Engineer Mode unless you are a trained technician, as changing hardware parameters can lead to device instability. Compatibility:

If a menu option says “Write,” “Reset,” “Delete,” or “Format,” do not touch it unless you are following a repair guide from a trusted source.