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Feature #2100

Document EFS v1 and EFS v2 differences

Added by Denis 'GNUtoo' Carikli 3 months ago. Updated about 2 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
Telephony and mobile data
Target version:
Start date:
07/30/2020
Due date:
% Done:

0%

Estimated time:
Resolution:
Device:
Galaxy S 3 (I9300)
Grant:

Description

<@dllud> Any idea if that unlock method works on GT-I9300 with EFS v2?
<@dllud> IIRC I tried it several years ago, and it only worked with EFS v1.
<@dllud> On my notes I have that:
<@dllud> > OS builds from July the 1st 2013 carry EFS partition format v2
[...]
<@GNUtoo> I've no idea what is the difference between EFS v1 and v2 and I didn't know there was a v1 or ve format
[...]
<@dllud> Ok, just read the thread. That method only works for EFSv1. Still nothing public for EFSv2.
<@dllud> GNUtoo, the last post on that thread summarizes the difference pretty well:
<@dllud> https://forum.xda-developers.com/showpost.php?p=63772220&postcount=135
<@dllud> There's also more info at:
<@dllud> https://forum.xda-developers.com/galaxy-s3/help/i9300-network-unlock-firmware-version-4-t2612736
#1

Updated by Denis 'GNUtoo' Carikli 3 months ago

  • Category set to Telephony and mobile data
  • Target version changed from Replicant 6.0 to Any version
#2

Updated by dl lud 3 months ago

  • Device Galaxy S 3 (I9300) added
  • Device deleted (Unknown)
#3

Updated by Denis 'GNUtoo' Carikli about 2 months ago

I also found that: https://forum.xda-developers.com/galaxy-s3/development/efsv2-modem-collection-2014-t3266428

As a side note it would be great if there was an EFS v1 collection too.

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