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原帖由: Buddhika Mahesh ,

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Option 01

Connect tab to Samsung kies and try to update firmware

More info,

http://www.samsung.com/us/support/faq/FAQ00052704/61332

if your system running with latest base-band

Option 2

* Connect your device to your computer. Open the Samsung Kies software on your computer and click on the Backup/Restore tab.
* The backup process will begin backing up your personal data.
* Once it’s finished, click the Complete button.
* On your Samsung device, go to Apps, then Settings, then tap Backup and Reset.
* Tap Factory Data Reset and follow the prompts.
* After the reset, open Samsung Kies and click on Backup/Restore.
* Click the Restore button and select which files you would like restored to your device.

Click Complete when you’re done.

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