You may have used the wrong version of the preloader file. Try an older firmware version (e.g., MIUI 12) if the latest version fails. Customized Flash Tool Needed:
Modern security updates often require a "Custom Preloader" to bypass the authentication (Auth) required by Xiaomi's servers when performing resets.
Bypass locked bootloaders to push raw partition data.
: Standard flashing often requires an authorized Xiaomi account. Custom preloader files combined with libusb or mtkclient help bypass this requirement. Essential Files and Tools redmi 9c preloader file
If you’re attempting a repair, these are the primary tools used in the community: SP Flash Tool : The standard software for flashing MediaTek devices.
Complete Guide to Redmi 9C Preloader Files: Unbrick and Flash Safely
If your device is stuck in a bootloop, showing an error message, or is otherwise unresponsive but can still be detected by a PC when powered off, it may be experiencing a "soft brick." Fixing this is relatively straightforward by re-flashing the entire firmware using the SP Flash Tool. Here is a step-by-step process that users have successfully used to recover their devices. You may have used the wrong version of the preloader file
The preloader file (typically named preloader_angelican.bin or preloader_angelica.bin depending on your specific regional variant) is a component of the MediaTek smartphone architecture. It acts as the .
However, with the introduction of newer MediaTek chipsets (the Helio G35 in the 9C) and updated Android security protocols, Xiaomi changed its approach.
Errors like STATUS_BROM_CMD_SEND_DA_FAIL or STATUS_CHIP_EXCEPTION occur because the tool cannot communicate through the default preloader. Bypass locked bootloaders to push raw partition data
(codenamed angelica ), powered by the MediaTek MT6765G chipset, is a popular budget smartphone. However, like many MTK devices, it is prone to getting "hard bricked" or stuck in a boot loop during firmware updates, rooting, or custom ROM flashing. The key to fixing this state is the , which restores the bootloader communication required to re-flash the phone.
Click the execution button on your software tool (e.g., Bypass Auth , Format Data , or Flash ).
In the "Custom Preloader" or "EMI" section, browse and select the downloaded Connection: Volume Up + Volume Down
Step-by-Step Guide: Fixing a Bricked Redmi 9C Using the Preloader