Steps to Install Vivo Y91 MTK Secure Boot DA auth File. Download NCK Pro Box | NCK Pro Box Drivers - Install both on your PC. Launch the NCK box on your PC > Click on FRP-PATTERN-PRIVACY-RESET. Click to select Custom Loader. Then head over to the DA file and select the downloaded DA file. Click on Flash Mode.
How to factory reset on your Vivo Y91 (Mediatek) ? If you need to wipe your phone's data for any reason, you can perform a factory reset from the settings menu. This feature will completely erase your personal information and data from your device and make it 100% clean.

A warning message will appear to avoid hard reset the Vivo Y91 by mistake. Use the Volume Up and Volume Down keys to select the "Yes" option and press the Power button to activate the option. 5- Fifth step: After a few seconds, the formatting and deletion of all data from the Vivo Y91 will have been carried out, returning to its factory state

If you are a Vivo Y91, Y93, Y95,V11 CPU Qualcomm Android Smartphone user and forget pattern lock or PIN lock of the device then this method is for you. Y93, Y95, V11 mobile. If you own a Vivo Y91, Y93, Y95, V11, and after the hard reset if you stuck at google account verification screen then here we will solve your problem by unlocking FRP
Battery Li-Ion 4030 mAh How to Fix or Problem Solving for Recovery VIVO Y91 hang or not responding or malfunctions or stuck or freezing or bricked ? There are two options of VIVO Y91 when release in the market, the difference are at internal and RAM options.
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how reset vivo y91