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troubleshooting
If you are having trouble with your mobile phone, try these troubleshooting procedures before contacting a service
professional.
When you turn on your phone, the following
messages may appear:
Message
Try this to solve the problem:
Insert your
Ensure that the SIM or USIM card is
VIVO Chip
installed correctly.
When the phone lock feature is
Phone Lock
enabled, you must enter the password
you set for the phone.
b
Message
Try this to solve the problem:
When using the phone for the first time
or when the PIN requirement is
enabled, you must enter the PIN
Enter PIN
supplied with the SIM or USIM card.
You can disable this feature by using
the PIN check menu.
Your SIM or USIM card is blocked,
usually as a result of entering your PIN
Enter PUK
incorrectly several times. You must
enter the PUK supplied by your
service provider.
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