What is the correct size for efs backup?

[ceo.mtcl]

So somehow i have used several tools for backing up my efs. I noticed today that one of those backups is about 33kB in tar.gz format. Second tool that I used to backup made a backup of 20 megs and in img format. Does that look correct? Which one should I use in case something bad happens.

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[SlimJ87D]

The omega rom backs up the efa folder and it is 6mb. I trust indie that he did it right. It's a folder with a few files in there

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[ceo.mtcl]

The omega rom backs up the efa folder and it is 6mb. I trust indie that he did it right. It's a folder with a few files in there

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So the backup that omega made created a backup folder? Will it be possible to share a screen shot of that folder so that I can compare with what I have.

That 33kB backup that I have doesn't sound good at all then. Is it possible to use omega's backup without installing his rom?

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[Casanoaa]

So somehow i have used several tools for backing up my efs. I noticed today that one of those backups is about 33kB in tar.gz format. Second tool that I used to backup made a backup of 20 megs and in img format. Does that look correct? Which one should I use in case something bad happens.

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Mine is 20.480kb EFS PRO backup and with K-Tool 20.480kb. SO that is the normal

 

[SlimJ87D]

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---------- Post added at 10:23 PM ---------- Previous post was at 10:22 PM ----------

Might take a few minutes for tap talk to upload photo. If it's not up by tomorrow I will upload from drop box.

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[Arsaw]

Mine is 20.480kb EFS PRO backup and with K-Tool 20.480kb. SO that is the normal

Backup EFS with ktool as efs.img. Mine show 20mb

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[duskdevilza]

Mine was about 20 megabytes or so.

 

[ceo.mtcl]

Hmmm I used ktools also and mine has 20 megs too. I have saved both tar.gz and img to my local but it's weird that the size difference is so big.

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[SlimJ87D]

It's probably all due to different compression methods. I think we're all okay.

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[sxi200]

Personally I prefer to backup manually using root explorer. I've made multiple copies of the efs and factory folders. Both contain the same contents and are 5mb each.

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[SlimJ87D]

Personally I prefer to backup manually using root explorer. I've made multiple copies of the efs and factory folders. Both contain the same contents and are 5mb each.

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I've also done that. It's just strange that other methods create a 20mb folder

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[JJEgan]

EFS Backup tar via rom install .
one 36 KB one 56 KB one 44KB

jje

 

[ceo.mtcl]

I've also done that. It's just strange that other methods create a 20mb folder

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I think I found out what is going on.

I opened the efs folder using root explorer and looked at the properties. It is 6 MB.

Then I zipped this folder and named it efs-manual.zip and this file is just over 60Kb. Also I created a back-up using omega rom and it has a similar size file in different format so I asume it uses a different compression algorithm.

Well I'm covered now. Thanks everyone for help.

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[jj92942000]

I think I found out what is going on.

I opened the efs folder using root explorer and looked at the properties. It is 6 MB.

Then I zipped this folder and named it efs-manual.zip and this file is just over 60Kb. Also I created a back-up using omega rom and it has a similar size file in different format so I asume it uses a different compression algorithm.

Well I'm covered now. Thanks everyone for help.

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When it comes to efs I don't trust these backup apps and compression. Besides you need to copy to your PC or cloud to be safe. Good old copy paste root explorer

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[ceo.mtcl]

When it comes to efs I don't trust these backup apps and compression. Besides you need to copy to your PC or cloud to be safe. Good old copy paste root explorer

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Yup that's what I did.

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[Nihil_Morari]

I made a backup with Efs backup and it's 20mb. The image file (I don't remember exactly) it's 6mb.

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[jj92942000]

I made a backup with Efs backup and it's 20mb. The image file (I don't remember exactly) it's 6mb.

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Root explorer says efs folder is 6.18MB, don't use other apps just copy to PC and external sdcard.

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[Nihil_Morari]

Root explorer says efs folder is 6.18MB, don't use other apps just copy to PC and external sdcard.

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Yes I did another backup with Root explorer and it was 6mb. So now I have 3 backups just to feel secure

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[Diaze]

How to go to the efs folder?cant find it...:d
Edit. Mine has 5mb
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[SirKunon]

To see efs folder you need to root your phone. It is located in / folder.

Efs backup size is different because of method used to perform this operation.

Size of this partition is ca. 20 MB that why if you made backup in so called 'raw dump' (img) it has mentioned 20MB. It's the best method u can use because it has all information about partition and files (most important are files permissions and owner informations).

Another methods backup only files stored on efs partition and compressing it into one file (.tar or .tar.gz). They can be highly compressed because of its binnary structure fulfilled mostly by zeroes.

It's good to have couple different backup formats of this partition. Most important is nv_data.bin which have stored your device specific informations as IMEI and such things.

In this partition also are stored infos about WiFi, bluetooth mac address etc.

i9.0.1.3k galaxy imperator