Two step method for rooting 7022
first download both files and place then on your SD card
update.zip
su-2.3.6.3-efgh-signed.zip
boot to stock recovery
1. flash update.zip and reboot your 7022
boot to stock recovery once again
2. flash su 2.3.6.3 efgh signed.zip, reboot and you are done
first download both files and place then on your SD card
update.zip
su-2.3.6.3-efgh-signed.zip
boot to stock recovery
1. flash update.zip and reboot your 7022
boot to stock recovery once again
2. flash su 2.3.6.3 efgh signed.zip, reboot and you are done