Chapter Vi Troubleshooting - FLY V100 User Manual

Chapter VI Troubleshooting

Please refer to the list below if you encounter any problems when
using your phone. If you tried but the problem has not been solved,
contact a qualified Lenovo dealer or your local maintenance center
immediately.
■Your display prompts Enter PIN Code:
Enter the valid PIN code for your SIM card. If you do not know this
code, contact your network service operator immediately.
■Your display prompts Enter PUK Code:
If you enter the PIN code incorrectly three times in a row, your SIM
card will be locked. In this case, you have to enter the PUK code to
unlock your SIM card. Please contact your network service operator
immediately.
■Your phone prompts Insert SIM card
Make sure that your SIM card is correctly installed. Check whether
your SIM card works normally. This message may indicate that your
SIM card is defective or damaged. In this case, contact your network
service operator.
■Your phone prompts Out of Service Area or Network Failure:
Check your signal strength indicator. If the indicator shows no
signal, you may be in a basement or a building corner not covered by
your wireless network. Move to another location where the signal is
strong enough. There is another possibility: you may be in an area not
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