Motorola T722I User Manual page 193

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Problem
I pressed the
power key, but
nothing
happened.
The display
says:
Insert SIM Card
or
Check SIM Card
even though I
have inserted
my SIM card in
the phone.
The display
says:
SIM Blocked
.
How do I
unblock my
SIM card?
The display
says: Enter
Unlock Code
.
How do I
unlock my
phone?
Solution
Be sure to press and hold
power key) until the display
appears and you hear an alert.
This could take several seconds.
If nothing happens, check that a
charged battery is installed. See
page 18.
The SIM card may be incorrectly
inserted. Check the SIM card to
make sure that it is inserted
properly. See page 17.
Call your service provider (the
company that sends you your
monthly wireless service bill) to
obtain the PIN unblocking key
(PUK) code. See page 164.
Enter the factory-preset unlock
code (1234), or the last 4 digits of
your phone number. If this fails,
call your service provider (the
company that sends you your
monthly wireless service bill).
P
(the
191

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