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Specifications
Cause 7 of 12: Your phone is overloaded for unknown reasons
If your phone is overloaded, you won't be able to make any calls. It may help restarting it.
Solution: Restart your phone.
Restart your phone
Press and hold On/Off.
Simultaneously, press and hold the upper part of the Volume key until your phone is turned off.Turn on your phone again.
Or select...
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