Vivo Y21 PD2139BF After Downgrade October 2023 Security To August 2022 Phone Koi Port Nehi Bana Raha Tha. ISP Se Easy Jtag Se Connect Kiya Toh "EMMC Permanent Write Protection: Yes" Dikha Raha Hain. RPMB Clean Nehi Ho Raha. EMMC Firmware Dump Leke Phir Se Wohi FFU Se EMMC Update Kiya Lekin RPMB Clean Nehi Ho Raha Aur Write Protection Bhi Nehi Ja Raha. Please Sir Koi Iska Solution Bataiyein.
(Samsung EMMC)
(Samsung EMMC)