VIVO Y12 and VIVO Y15 (PD1901BF) Preloader file which helps you to flash official firmware in a normal flash mode. the file is released by unlocktool team and tested by me in a VIVO Y12 with the latest security update install. I have tried to unlock the device FRP lock and I m easily unlock it with help of this preloader file.
- Driver Installer Unlocktool
How To Use Custom EMI Preloader File By Unlock Tool
- First Download Unlock Tool Or EMI File Open Unlock Tool
- Go Click MediaTek Tab and Select MTK Universal Tab
- Click Custom Preloader EMI Model Select Vivo Y21
- Select Custom Preloader Vivo Y21 Y15S Y15 Y12 [New Sec Patch]
- And the Final Step Click Frp and Connect The phone with a USB cable.
- If you Face Any Errors Then You Can Install the First Drivers.
Vivo Y21 Y15S Y15 Y12 After Erase Frp Dead Solution
- Click VIVO Tab And Search Model Bar Vivo y21,
- And Select Vivo Y21 new security Patch This Method,
- After Vivo y21 Dead Only MTK Port Show I Am Dead Recovery Done Tested By Me Tool Using Unlock Tool Just Factory Reset+FRP Job Done After Now Set On Normally