AOSP ROM flashing instructions for Poco F7 (onyx)

CLEAN FLASH:

1. Extract recovery images if recovery images is provided on separate zip file

2. Flash the provided recovery image and vendor boot image via fastboot using "fastboot flash recovery recovery.img" & "fastboot flash vendor_boot vendor_boot.img"

3. Reboot to recovery using either volume + and power button combo or via fastboot command

4. Navigate to Apply Update > Apply from ADB

5. adb sideload the AOSP ROM zip using "adb sideload ROM-*.zip"

6. Reboot to recovery

7. Vanilla Build user who want flash gapps using "adb sideload gapps-*.zip" (optional)

8. Factory reset/format data

9. Reboot to system

DIRTY FLASH:

1. Go to recovery

2. Navigate to Apply Update > Apply from ADB

3. adb sideload the AOSP ROM zip using "adb sideload ROM-*.zip"

4. Reboot to recovery

5. Vanilla Build user who want flash gapps using "adb sideload gapps-*.zip" (optional)

6. Reboot to system