Troubleshooting - Samsung GT-B7610 User Manual

Troubleshooting

If you have trouble with your device, try these procedures before you
contact a service professional.
When you turn on your device, the following messages may
appear:
Message
The SIM card is
missing.
Enter PIN.
SIM card
blocked.
Try this to solve the problem:
Ensure that the SIM or USIM card is installed
correctly.
When using the device for the first time or when
the PIN requirement feature is enabled, you must
enter the PIN supplied with the SIM or USIM card.
To disable the PIN requirement feature, tap Start
> Settings > Basic Settings tab > Security > SIM
PIN, and then tap
phone is used.
Your SIM or USIM card is blocked, usually as a
result of entering your PIN incorrectly several
times. You must enter the PUK supplied by your
service provider.
133
next to Require PIN when