olivia
It means the sim card is no longer talking to the network. This is either a phone or sim issue / failure. Try your sim in another phone first and if that works your phone is faulty or barred. If sim doesn't work in another phone it could be a network issue.
Anonymous
check the settings nnaybe
keerok
Settings?
Permissions?
Blocked?
Ask the network administrator.
Pearl
try to get it registered
Elia M
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