a207fa207ma20sgalaxygalaxy-a20ssamsungsm-a207fsm-a207m Replies: 9 Forum:Samsung Galaxy A20 Guides, News, & Discussion ThreadQuestionSW REV Check Fail (Bootloader) Device 0xe S21 Ultra refreshed with stock ROM - Flashed TWRP 3.7.0 alaneh version in AP along with vb meta disabled_R.tar. ...