No network operations all of a sudden
no network connection of any kind,
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Kind of need more info to help troubleshoot this.
Is there any damage to the device?
What was going on when connectivity ceased?
Is there damage to the SIM card?
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If it happens all of sudden, then this will be a software issue.
Problem may be of two type :
1- Software
2- Hardware
Software can be repair through Hard Reset, Just try the combination (Power + Volume up + Menu)
and if it fails then you have to Flash the device.
Download files from Samsung-updates.com
and check guide how to flash samsung android tablet
Hardware Issue:
If the software section fails to solve your issue, then you have to Change network ic.
(Use multimeter to check PCB)
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