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73Troubleshooting and FAQs
Problem Possible Causes Possible Solution
PIN code is
blocked
You have entered an incorrect
PIN code three consecutive
times.
Contact your service provider.
If the service provider
provides the (U)SIM card’s
PUK code, use the PUK code
to unlock the (U)SIM card.
Unable to enter
information
into the phone
book
The phone book’s memory is
already full.
Delete unnecessary data from
the Directory.