In most cases, the menu or information will appear as soon as the last character (usually # or * ) is entered. Reviewer's Note & Tips Secret and Hidden Codes for VIVO V20
Using these codes is incredibly simple. You do not need to download any third-party applications or root your device. How to Use Secret Codes on VIVO Y19s
: Use the keypad to enter the specific sequence (e.g., *#06# ). In most cases, the menu or information will
Note: If nothing happens, the code may have been disabled by your carrier or is incompatible with your specific firmware version. : Use the keypad to enter the specific sequence (e
These codes are read-only and will not change any settings.
This is perfect for checking if everything works correctly before buying a used Y19s or after a drop.
: Accesses Firebase Cloud Messaging diagnostics, useful for troubleshooting push notification issues. How to Use These Codes Open the Phone app (Dialer) on your VIVO Y19s. Type the desired code exactly as shown above.