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EFS backup

OP swapk007

19th May 2014, 04:18 PM   |  #1  
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What is the use of EFS backup?



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22nd May 2014, 11:37 AM   |  #2  
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The EFS holds your IMEI and other baseband-related stuff which essentially allows you to conncet to mobile networks. So if you lose your IMEI/your EFS becomes corrupt you'll find that your mobile reception won't work.

So it becomes pretty important to have a backup of it somewhere in case things go wrong (if you don't its not hard to fix, just bothersome)

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22nd May 2014, 01:29 PM   |  #3  
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How i can use this backup after installing custom rom


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22nd May 2014, 08:21 PM   |  #4  
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Quote:
Originally Posted by swapk007

How i can use this backup after installing custom rom

It would more wise to backup EFS before flashing a custom ROM.

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23rd May 2014, 03:54 AM   |  #5  
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Will custom rom change the values inside the efs folder if yes is it possible that we can retain the original efs values by using earlier backed efa folder


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23rd May 2014, 11:23 AM   |  #6  
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Quote:
Originally Posted by swapk007

Will custom rom change the values inside the efs folder if yes is it possible that we can retain the original efs values by using earlier backed efa folder

1. no
2. if the folder is created as image it is easier. Copy and paste often won't work.

Upgrading stepwise is the safest way to keep all fine (GB, ICS, JB/CM10.2, KK). Upgrading to 4.3/CM10.2 will resize the partitions so best way to downgrade again beyond 4.3 is to flash stock GB with PIT file and repartition with Odin.

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