STEP 2 : After that power off your Vivo and Remove the Battery(if it is removable). USB drivers are already installed on your computer then skip this step. Download and install Android USB Driver on you pc.Preparation for Flashing Stock Firmware on Vivo Y15 will not be responsible for any mistake and any damage that might occur to your device while performing the following operation.

Maintain the battery charge percentage least 60%.Make sure you have a Complete backup of your device.Download the Suitable Stock Rom for your device.Read More – Increase RAM SIZE after root on Vivo?.we provide only Official Rom because all the glitches and bugs are debugged and you can get latest OTA update and install them If you need to upgrade your Vivo then you have to find upgraded Stock/Custom Rom – kitkat, Marshmallow, Nougat.

If you have flashed custom ROM, Custom recovery or Custom kernel and facing several issues or if you want to Full Unroot, Unbrick,Rollback ,then you have to flash stock ROM to bring your device back to it’s original state. If you have an Android device,you may require flashing Stock ROM/Firmware under various circumstances.

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