Engineering firmware is a modified version of the Stock ROM that is often used for debugging, testing, and engineering purposes on mobile devices. while the primary purpose of an Engineering ROM may vary depending on the device and the specific modifications made. You can download latest eng rom for your device from below links.
Note:
- make a backup before Process
- it will erase all your data Including Internal Storage
Downloads Links:
Redmi A3x ENG Firmware:
How to Install ENG Firmware on Redmi A3x
- Download and Install SPD Driver on your computer
- Download and Extract Firmware File and Flash tools
- Run SPD Flash tool
- Click load Package & Select Pac file from the downloaded ROM folder
- Click Download/Start Arrow
- Connect Your switched off Phone by pressing volume up & down key
- Wait until success
