Before you begin, ensure you have the following tools:
Xiaomi Redmi A3 (Model: A0101) Category: Hardware Repair / Emergency Flashing mi a0101 test point exclusive
If the device is functional and you only need to run hardware tests, you can use secret dialer codes to enter the mode: How to diagnose you Xiaomi device 100% Before you begin, ensure you have the following
| Scenario | Why Exclusive | |----------|----------------| | (no fastboot, no recovery) | Bootloader is corrupted or signature chain broken. Test point forces boot ROM to load USB DFU before bootloader. | | Locked bootloader + Mi account lock | OEM unlock disabled. Test point + authorized Mi engineer account can flash engineering bootloader. | | Partition table corruption | System cannot load any bootable image. EDL restores GPT/MBR directly. | | Secure boot fatal error | Device shows “System Destroyed” or red state. Test point overrides aboot authentication. | Test point + authorized Mi engineer account can