Y20 - How To Use Secret Codes On Vivo

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Y20 - How To Use Secret Codes On Vivo

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

Type the code exactly as written. For example, type * # 5 5 8 # . How to Use Secret Codes on VIVO Y20

: Open the default Phone app on your home screen. By dialing *#558# , you enter the Engineering

Database numbers in words

In order to use the database of numbers in words on our website, you should select ranges which include your number from the list below:

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