Factory Reset Protection, commonly known as FRP, is a standard security feature built into Android devices, including the VIVO Y15s. It activates automatically once you sign in with a Google account on your phone, and after any factory reset, the device will require you to verify the same Google account credentials before you can finish setting up and using the phone again. This security measure is designed to protect your personal data and prevent unauthorized use in case your device is lost or stolen. However, it can become a major obstacle if you forget your Google account email or password, buy a second-hand device that was not properly unlinked from its previous owner’s account, or reset your phone without first removing your Google account from the settings.
When you are unable to pass the FRP verification screen and cannot access your VIVO Y15s, professional unlocking tools like UnlockTool offer a reliable and effective solution. UnlockTool is widely used by technicians and device owners around the world to bypass FRP locks and various other screen or account locks, supporting a wide range of VIVO models with high success rates. It provides a direct and efficient method to bypass the FRP requirement without needing the original account login details, helping you regain full control over your device when traditional recovery methods are not possible or do not work.
In this guide, we will walk you through the complete process of unlocking the FRP lock on your VIVO Y15s using UnlockTool, from preparing your device and computer to connecting the phone and running the unlock process correctly. Every step is explained in simple terms so you can follow along easily and avoid common errors. Please remember that this guide is intended solely for use on devices that you legally own or for which you have obtained explicit permission and proper authorization to access. Always use this knowledge responsibly and in accordance with applicable laws and regulations in your area.
How to Unlock FRP Lock on VIVO Y15s Using UnlockTool – Step-by-Step Guide
To fix a VIVO Y15s locked FRP, the process is quite straightforward using the UnlockTool application. Here are the steps:

- Run the UnlockTool application and log in to your account
- Select Brand VIVO and Model VIVO Y15S
- Select BROM | EDL Option
- Checklist PRELOADER Auth
- Click [PRELOADER] ERASE FRP
- Connect your powered-off VIVO Y15s to the computer while pressing and holding both the Volume Up and Volume Down buttons at the same time.
- The UnlockTool application will automatically detect and read your VIVO Y15s device, then run the reset process on its own
- Once completed, set up your device as usual.
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Important Note:
- Before performing the Factory Reset process using the UnlockTool application, make sure you have installed the appropriate drivers (Qualcomm / MediaTek / Spreadtrum) on your laptop or computer according to the chipset of the device you are working on. Without installing the drivers, the mobile device will not be detected or recognized by the UnlockTool system.
- The Factory Reset process on the Infinix Smart 9 will erase all internal data on the phone. If you wish to keep your photos, videos, and other files, please select the [PRELOADER] SAFE FORMAT option.
- If the Factory Reset process encounters an error, please try again or adjust the PRELOADER Auth setting to match the latest security update path.
That is An easy way to resolve a VIVO Y15s Android device locked by a Google Account due to forgetting the previously registered email is to use the UnlockTool application, which you can try and practice yourself at home. Good luck, and I hope it works for you.
