Install AOSP/Lineage ROMs on Poco X7 Pro - rodin

Warning: Don't use fastboot reboot recovery or else you device may brick

1. Read through the instructions at least once before actually following them, so as to avoid any problems due to any missed steps!
2. Make sure your computer has adb and fastboot. Setup instructions can be found here.
3. Download or extract vendor_boot.img
4. Power off the device, and boot it into bootloader mode: With the device powered off, hold volume down + power .
5. Flash the image files to your device by typing: fastboot flash vendor_boot -slot=all vendor_boot.img
6. Reboot to recovery mode by typing: fastboot reboot and quickly holding volume up button.
7. Now select Factory Reset, then Format data / factory reset and continue with the formatting process. This will delete all files stored in the internal storage, as well as format your cache partition.
8. Return to the main menu.
9. Sideload the ROM .zip package by typing: adb sideload /path/to/zip
10. Choose yes after sideload if your ROM do not ship GAPPS (reboots into recovery).
11. Sideload the GAPPS .zip package by typing: adb sideload /path/to/zip
12. Reboot by returning to main menu and hitting: "Reboot system now".
    
    

Change firmware guide

Option 1: Flash firmware that your ROM is based from here or download from anywhere you like and hit flash_all.bat .

Option 2: Download or extract boot.img and vendor_boot.img from the ROM you downloaded, reboot into bootloader, type fastboot flash vendor_boot -slot=all vendor_boot.img and fastboot flash vendor-slot=all boot.img reboot and proceed to a normal instalation.

Rooting guide

1. Download or extract init_boot.img from your ROM.
2. Patch the file via the root manager you like(KernelSu, Apatch, Magisk...).
3. Reboot into bootloader mode.
4. Flash the patched image file to your device by typing: "fastboot flash init_boot -slot=all init_boot.img"