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43
Problem
Possible causes
Possible solution
time.
Cannot switch
your phone on
Battery power has been
depleted.
Recharge the phone’s
battery.
SIM card malfunction or
damage.
Take the SIM card to
your service provider
for testing.
SIM card inserted improperly.
Insert the SIM card
properly.
SIM card error
Debris on the SIM card
contacts.
Use a soft, dry cloth to
clean the SIM card
contacts.
SIM card invalid.
Contact your service
provider.
Unable to
connect to the
network
You are not within the network’s Check the service