How To Use Secret Codes On Vivo Y20 Link

By dialing *#558# , you enter the Engineering Mode , which is the most powerful tool for troubleshooting.

*2767*3855# performs a complete wipe of all data and reinstalls the firmware. Do not use this unless you have a full backup . 4. Display and Audio Verification How to Use Secret Codes on VIVO Y20

In this comprehensive guide, we will explore how to use secret codes on the VIVO Y20, categorizing them by function and explaining exactly what each code does. By dialing *#558# , you enter the Engineering