Vivo Added new security and block BROM mode from the preloader. But You can Fix this via the New Test point to boot to BROM Mode. How to format VIVO Y21 (PD2139F) using CM2, UMT, Hydra, Unlock Tool, or any other professional tool. We will show you the real image of the test point for the Vivo Y21 [PD2139F].
By using the Test point, you can easily restore the stock ROM, bypass FRP lock, or reset user data using BROM mode.
This method is tricky and professional and You need to disassemble the phone.
Vivo Y21/Y21A (Test Point) For Bypass Auth. BROM MOD FIX NEW SEC UPDATE MTK
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