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The Samsung Galaxy S 4G is an Android 2.2-powered smartphone with a 4-inch AMOLED touchscreen display and 1 GHz processor.

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No network operations all of a sudden

no network connection of any kind,

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2个回答

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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