On Vivo Y20 2021 — How To Use Secret Codes
Go to your home screen and open the Phone app (the green dialer icon). Do not use a third-party dialer like Google Voice or WhatsApp.
Type the code exactly as shown (including the * and # symbols). How to Use Secret Codes on VIVO Y20
Use this to verify that every sensor—from the accelerometer to the proximity sensor—is working correctly. Go to your home screen and open the
Displays your device’s unique identification numbers (IMEI) and serial number, which are essential for tracking or insurance. General Device Info How to Use Secret Codes on VIVO Y20
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Below is a verified list of codes that work on the VIVO Y20. We have categorized them by function.
These codes relate to your connection to your carrier (SIM card) and wireless networks.