Recommended Recovery: https://t.me/gudanggaramram/549

1.Reboot your device into fastboot

2.Connect device via USB and run:

fastboot flash vendor_boot <filename>.img

3.Reboot to recovery, then in recovery select Apply update > Apply from ADB > ADB sideload

Flashing Instructions:
Clean Flash
Tap Factory reset > Format data/factory reset > Format data
Format cache partition
Sideload Infinity-X ROM zip via recovery (adb sideload <filename>.zip)
Reboot

Dirty Flash
Sideload Infinity-X ROM zip via recovery (adb sideload <filename>.zip)

Reboot

OTA Update
Simply upgrade via OTA updater