How To Use Secret Codes On Redmi A3 May 2026

On the Redmi A3 (running HyperOS based on Android 14), some older codes (like engineering mode ( # #3646633# # )) no longer work due to Android security restrictions. The guide could better clarify which codes are blocked by Xiaomi vs. which still function.

I recently followed the guide "How to Use Secret Codes on REDMI A3" , and here’s my honest take. How to Use Secret Codes on REDMI A3

4.5/5 Would I recommend? Yes, for troubleshooting and checking hardware stats. No, if you’re looking for actual hidden features. On the Redmi A3 (running HyperOS based on