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91
Problem
Possible causes
Possible solution
nano-SIM
card error
The nano-SIM card
malfunctions or is damaged.
Take the nano-SIM card to your service
provider for testing.
The nano-SIM card is inserted
improperly.
Insert the nano-SIM card properly.
There is debris on the
nano-SIM card contacts.
Use a soft, dry cloth to clean the nano-SIM
card contacts.
Unable to
connect to the
network
The nano-SIM card is invalid. Contact your service provider.
You are not within the
network‟s service area.
Check the service area with your service
provider.
The signal is poor.
Move to an open space, or if you are inside
a building, move closer to a window.
PIN Code
blocked
You have entered an incorrect
PIN code three consecutive
times.
Contact your service provider. If the service
provider provides the nano-SIM
card‟s PUK
code, use the PUK code to unlock the
nano-SIM card.
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party software is
not compatible with your
phone.
Uninstall the software that may cause the
problem.
Upgrade the phone software.
Reset the phone to factory status.
Содержание AVID TRIO
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Страница 7: ...7 Explosive environments 102 ...