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Need efs folder

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How to Fix Android unknown baseband version

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EFS folder or IMEI on Android is corrupted - Alfred's New Ramblings

Join Date: Feb Kuala Lumpur. Dec Jan My Devices: OP Senior Member. Apr So, for avoiding the unpleasant situations, I will teach you how to backup and restore the EFS from your SGS3 by using the one-click method.

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But, why to backup the EFS? Well, the EFS store the IMEI and allow your handset to establish the internet connection, so in case it gets erased your phone will no longer be able to use the Internet connection. So, if you have recently updated your Galaxy S3 and cannot use the internet connection, then probably the EFS folder was wiped out.

What Causes Samsung Galaxy unknown baseband version?

For those who cannot apply this, the only solution is to downgrade to the stock ROM, or to apply an official update released by Samsung and suitable with the S3. There are many ways for learning how to backup the EFS, today we will explain the one-click tool variant. Furthermore, this procedure implies in having a rooted smartphone.

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• Backup and Restore EFS of your Galaxy S3 on PC with one-click tool;
• How to Restore the IMEI or EFS folder in Galaxy S3 - Details.
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If not you should go and first gain root access and remove the factory restrictions. Be aware as by ding this the warranty will get void. I recommend you to search through our how to section for a suitable step by step guide from which you can find everything you need to know about the root operation.

Then, return here and resume the rest of the guide.