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questions about Nandroid Backup ? What's in the Backup

Hi, As a noob in that matter - I have succesfully backed-up my Magic, and subsequently upgraded to the HERO rom. My question is simple : what's on the backup of the ROM data ? is it the plain rom back-up without privacy details ? (google account, history ..etc ..) or does it contain personal data.
(sub question: how to remove the personal data if they are in the backup ?)
thanks

am impressed
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It is a complete backup of the phone without recovery and SPL.
So if you have backed up your phone after you have installed applications, made calls recieved SMS and so on, they will still be in the rom.
These things can be extracted from data.img

thanks for the answer..
Cheesebaron said:
It is a complete backup of the phone without recovery and SPL.
So if you have backed up your phone after you have installed applications, made calls recieved SMS and so on, they will still be in the rom.
These things can be extracted from data.img
Click to expand...
Click to collapse
now we know a little more and can evolve...

can nandroid backup be used to restore all of your installed apps and settings after you update to a newer or different ROM?
such as updating from Cyanogen 3.9.10 to 4.0.1 and if i perform a nandroid backup before applying the update.zip and then update would choosing the restore function restore all of my installed apps or settings? or would it simply revert me back to 3.9.10?

Why are my Clockworkmod backups unusable?

So, I just rooted my Mytouch 4G a few days ago using the 'Ultimate' guide on this forum. I had root access and I disabled and deleted some stock apps from my phone. I was using LauncherPro instead of the HTC Sense launcher. I made a backup in Clockworkmod recovery immediately after installing Clockworkmod, before I'd made any major changes.
So, I spent the past few days removing and tweaking things. I had my phone working extremely well. But then I realized that I actually wanted an .apk file (the stock visual voicemail app) that I'd already deleted from the phone. It should be in my original backup file, right? So I figured that I'd make a new backup, restore my old backup containing the .apk file, copy the .apk file off of the phone, then restore my recent backup. Well...this didn't work.
When I restored either the original backup or the more recent backup, the phone would boot up and I'd get a message that the System UIDs are inconsistent. The phone would let me make phone calls, but 95% of my apps were missing from the loader. Most of the icons on my home screens were grayed out and would tell me the applications were missing when I tried to click on them.
I tried Fix Permissions in Clockworkmod recovery, but it didn't help. My Android Market app and all of my file manager apps didn't work, so I couldn't reinstall any apps. When I'd wipe all the data on my phone, but only restore the System backup, the Android Market would work and the phone basically returns to stock. But as soon as I restore my Data backup, everything breaks.
At this point, I've already wiped the phone and started over from scratch, but I'm afraid to rely on Clockworkmod/Rom Manager for backups again. Any ideas what went wrong?

did you flash a different kernel? this may be the issue, as I know that for other devices CWM does not restore the kernel.

this happens when your backups/card gets corrupted... it could of been a number of things... changing the name of something to how much you scan the card... hard to say exactly what caused it... If your really worried about it I would suggest making a backup of your backup on your computer just to be safe...

Hmm. Mine does.
mr.tenuki said:
did you flash a different kernel? this may be the issue, as I know that for other devices CWM does not restore the kernel.
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Sent from my stickie key HTC Glacier using XDA App

I did make a backup of my backup, but it's not like these backups sat on the memory card for months before they got used. I ran the restore within minutes of when I made the last backup. Besides, aren't the backups hashed with md5 and then retested before restoring? So, if the files did get corrupted, I would think Clockworkmod would have notified me, no?
I just wish that after making a backup, there was some way to test it out without taking the chance of trashing my phone.
Regarding using a different kernel, I did not. I did not flash any experimental/downloaded images, these were simple backups and restores of my existing phone data.

mr.tenuki said:
did you flash a different kernel? this may be the issue, as I know that for other devices CWM does not restore the kernel.
Click to expand...
Click to collapse
This is for phones that dont support Nand like the vibrant. HTC phones is a full backup including kernel.

sundayhustler said:
I did make a backup of my backup, but it's not like these backups sat on the memory card for months before they got used. I ran the restore within minutes of when I made the last backup. Besides, aren't the backups hashed with md5 and then retested before restoring? So, if the files did get corrupted, I would think Clockworkmod would have notified me, no?
I just wish that after making a backup, there was some way to test it out without taking the chance of trashing my phone.
Regarding using a different kernel, I did not. I did not flash any experimental/downloaded images, these were simple backups and restores of my existing phone data.
Click to expand...
Click to collapse
Your right, CWM does do a md5 check when restoring. I'm sorry, I don't know what could be wrong. I currently have like 5 backups of 4 ROMS and have to restored to just to play around. Did you do apps2sd? This can cause major issues when switching ROM's.

I am also having a problem restoring to my stock rom. how big does my backup file have to be?

I have had this problem before. I think in my case my issue was caused by and incompatible version of CWM. I found that to be safe, I usually make two back ups, one with recovery in 2.5.12 and one with 3.0.0.6.

It was the file. It was only 60mb, apparently I ran out of memory thanks though my other backups work fine and I found the stock rom on a thread.
Sent from my HTC Glacier using XDA App

oh haha i was about to post.

[Q] Not able to restore new backups?

Hey guys so I have a weird problem.
I can't restore my new backups.
That means all backups I did 2 weeks ago are restorable but now, when I do a backup of my current cyanogenmod rom and try to restore it, I get stuck at the HTC boot screen.
I heard it's because I used rom manager and sometimes rom manager destroys the PC10IMG, is that true??

Same thing happened to me. I had to do everything all over again. It will be nice if there is some more information about the problem. Thank you.

whitis said:
Hey guys so I have a weird problem.
I can't restore my new backups.
That means all backups I did 2 weeks ago are restorable but now, when I do a backup of my current cyanogenmod rom and try to restore it, I get stuck at the HTC boot screen.
I heard it's because I used rom manager and sometimes rom manager destroys the PC10IMG, is that true??
Click to expand...
Click to collapse
don't trust rom manager to perform recovery operations through its gui with any consistency.
if you're going to perform a recovery operation, just do it through CWM and save the hassle.

Well I did it all /backups & recovery/ through CWM and just hang on the welcome screen. Not that it was important because I only wanted to back up something I forgot after intending of installing a new rom, but still the question remains and it will be helpful for future time

I've found that Nandroid backups are unreliable if I'm at all low on free space on the SD Card. Even if there are no errors during the backup. I make sure I've got at least room for two whole backups now. Seems to solve the problem.

Help with CWM Restore!

Hi,
Sorry if this has been answered already but I did search the forum and couldn't find an answer.
So 2 days ago I got into flashing my Sam GS2, I followed the instructions completely, I made a NAND backup of my current ROM.
I used ROM manager to install Cyanogen nightly ROM build 75, which I liked a lot but the camera didn't work and realised after it was a test build, so decided to go back to my current ROM. I went into CWM recovery and restored, within 5 mins I was back to like nothing happened.
I then download VillanROM 3.0, again a few bugs so I decided install TK ROM 3.6 I never restored to backup this time as I thought that wasn't necessary, but when I now restore my backup through CWM I get my settings but not my data?
Why is this? The backup file is still there and the same size as before, have I done something wrong?
The reason why I restored was after finding that TK ROM was a stable ROM I forgot to back up my GO SMS settings and Smart keyboard pro settings so I wanted to back up to SD card, re-install the apps and then just restore the settings, now it looks like I won't be able too.
Any help would be appreciated.
Thanks in advance.

Well 64 views but no replies???
Someone must have an answer!!!

maverick1103 said:
Well 64 views but no replies???
Someone must have an answer!!!
Click to expand...
Click to collapse
Me for one fails to understand the problem .
jje

Well short version.
I did a NAND backup so I could go back to original ROM just incase things went pair shaped, I managed to restore to it after first flash, then on the 3rd time after realising that I forgot to back up certain app settings, I restored the NAND it does it reboots but only with settings and nothing else.
Can you help?

A failed nandroid restore looks to be a corrupt backup .
jje

Well I thought as much, thought I was doing something wrong.
Just have make sure I do 2 backups next time.
Thanks for the reply.

Error deleting nandroid backup

I believe I've had this problem in the past with other android devices but I don't recall how I solved it.
Basically I unlocked, rooted, and flashed CWN using the nexus tool kit (I am very capable of using adb just felt like simplifying). I then made a nandroid backup using the CWM that the tool kit flashed. Later, i updated to CWM touch with Rom manager. I don't think the new CWM caused this but for some reason i am unable to delete that first nandroid i made. I've made other backups since and have had no problem deleting them, it's just this first one that i made that isn't deleting for some reason. Any ideas? It's pretty much just dead weight on my storage at this point.

randroid123 said:
I believe I've had this problem in the past with other android devices but I don't recall how I solved it.
Basically I unlocked, rooted, and flashed CWN using the nexus tool kit (I am very capable of using adb just felt like simplifying). I then made a nandroid backup using the CWM that the tool kit flashed. Later, i updated to CWM touch with Rom manager. I don't think the new CWM caused this but for some reason i am unable to delete that first nandroid i made. I've made other backups since and have had no problem deleting them, it's just this first one that i made that isn't deleting for some reason. Any ideas? It's pretty much just dead weight on my storage at this point.
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im having the same issue and am working on it right now, will keep ya posted.
edit: i just flashed all the way back to stock and rerooted, started fresh basically. i wonder, can you just partition the "sdcard", effectively erasing the entire clockworkmod folder?

I had that problem and tried root explorer, astro, rom manager to delete the folders and nothing was working until I actually booted CWM and deleted the backup through CWM, it deleted just fine.

SoHaunted said:
I had that problem and tried root explorer, astro, rom manager to delete the folders and nothing was working until I actually booted CWM and deleted the backup through CWM, it deleted just fine.
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that was my first thought but i wasnt able to locate the option to do so in the version of CWM i was using- honestly i dont recall which it was. now that im on a fresh system though, i think ill switch to TWRP. i use it on my one X and like it just fine.