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[Q] (Clockwork Mod) What is Nandroid Backup and How Does it Work?

This is a noob question, but I have a bit of experience under my belt just so you don't have to worry too much about using "confusing" terminology.
I have rooted/ROMed many devices in the past and have heard guides talking about doing a Nandroid backup. My question is how exactly does it work? Say for example: I am on the stock ROM (rooted of course) and I do a Nandroid backup while on stock. If go to say Cyanogen and I don't like it can I just restore from my nandroid backup like I would flash any other ROM to go back to stock. And if that will get me back to stock does it also preserve all of the user data that was in that ROM when it was backed up?
Any other information about about nandroid backups would be appreciated. Thanks in advance!

From my understanding, the backup backs up all the stuff on your phone EXCEPT for what's on the SD card.
The idea is that you do a back up. Then install a new rom that you want to try out. BUt you don't like it, so you just restore the backup and woolah! your old phone is back along with all your settings, data, etc.
I'm not sure why it's called a nandroid backup, but from what I gather, you can do it with clockworkmod, just boot into recovery. And use the backup and restore option.

That was my understanding as well. I just wasn't sure on the situation with the user data (or the backup in general really). So all it takes is a nandrid backup to revert back to (rooted) stock?

A Android backup takes all the files on your device and saves them as a data.img,system.I mg,cache.I mg,user data,and recovery.img. It is also restorable through fastboot. It can also get you out of a tough spot. Say you are messing with a new theme and it causes your device not to boot up or causes unwanted problems. You can restore a backup to a time when your device was working correctly.

saintmagician said:
From my understanding, the backup backs up all the stuff on your phone EXCEPT for what's on the SD card.
Click to expand...
Click to collapse
this is true unless you do a nandroid+android_secure backup. this also backs up your external app data

dunngh said:
This is a noob question, but I have a bit of experience under my belt just so you don't have to worry too much about using "confusing" terminology.
I have rooted/ROMed many devices in the past and have heard guides talking about doing a Nandroid backup. My question is how exactly does it work? Say for example: I am on the stock ROM (rooted of course) and I do a Nandroid backup while on stock. If go to say Cyanogen and I don't like it can I just restore from my nandroid backup like I would flash any other ROM to go back to stock. And if that will get me back to stock does it also preserve all of the user data that was in that ROM when it was backed up?
Any other information about about nandroid backups would be appreciated. Thanks in advance!
Click to expand...
Click to collapse
Yes you're correct. You can restore but just remember some app might have ext data in sdcard. If you don't delete it, when you restore you'll get the same as before
Sent from my HTC Desire Z using XDA App

rootfan said:
A Android backup takes all the files on your device and saves them as a data.img,system.I mg,cache.I mg,user data,and recovery.img. It is also restorable through fastboot. It can also get you out of a tough spot. Say you are messing with a new theme and it causes your device not to boot up or causes unwanted problems. You can restore a backup to a time when your device was working correctly.
Click to expand...
Click to collapse
So if you want to restore say just your data can you just delete the images you do not wish to restore from the backup folder and it will just keep the ones you have? Or won't it work at all if you start deleting images?

rfp101 said:
So if you want to restore say just your data can you just delete the images you do not wish to restore from the backup folder and it will just keep the ones you have? Or won't it work at all if you start deleting images?
Click to expand...
Click to collapse
i wouldnt tamper with a nandroid backup, but if you have clockwordmod recovery, that is possible. clockwordmod recovery gives you the option to restore one of those images (but only one at a time).

does a nandroid backup include your kernel?

Pender1 said:
does a nandroid backup include your kernel?
Click to expand...
Click to collapse
It does! It's a compelete "snapshot" of your phone with all apps/settings etc.

Does it also backup the stuff which has been stored on the external ext2-Partition, which is mounted to enlarge the space for apps?
Same with restore of this nandroid-backup. Will it also place the backup again to the same space?
As I know there's a (symbolic) link put into /data which might get problems.

dunngh said:
This is a noob question, but I have a bit of experience under my belt just so you don't have to worry too much about using "confusing" terminology.
I have rooted/ROMed many devices in the past and have heard guides talking about doing a Nandroid backup. My question is how exactly does it work? Say for example: I am on the stock ROM (rooted of course) and I do a Nandroid backup while on stock. If go to say Cyanogen and I don't like it can I just restore from my nandroid backup like I would flash any other ROM to go back to stock. And if that will get me back to stock does it also preserve all of the user data that was in that ROM when it was backed up?
Any other information about about nandroid backups would be appreciated. Thanks in advance!
Click to expand...
Click to collapse
its back up all yore staff and programs so if u will back to the backup it eill be exactly the same as beafore

If you install another ROM with different kernel and then you want to go back to nandroid backup, does it work ?

Nandroid backups
I was wondering if the framework is saved as well. I recently updated to the ICS firmware and am wondering if I restore with a backup from the old GB firmware will that be restored as well or will it still stay on the ICS? From my understanding ICS firmware will run previous versions

will nandroid backup (made from cwm) un-brick your phone if say, you installed a custom rom via cwm and it bricked it?

dunngh said:
This is a noob question, but I have a bit of experience under my belt just so you don't have to worry too much about using "confusing" terminology.
I have rooted/ROMed many devices in the past and have heard guides talking about doing a Nandroid backup. My question is how exactly does it work? Say for example: I am on the stock ROM (rooted of course) and I do a Nandroid backup while on stock. If go to say Cyanogen and I don't like it can I just restore from my nandroid backup like I would flash any other ROM to go back to stock. And if that will get me back to stock does it also preserve all of the user data that was in that ROM when it was backed up?
Any other information about about nandroid backups would be appreciated. Thanks in advance!
Click to expand...
Click to collapse
Yes,It restores all data and apps nandroid backup is a mirror copy of your phone.after restoring you will get your previous stock ROM.

cheebs42 said:
I was wondering if the framework is saved as well. I recently updated to the ICS firmware and am wondering if I restore with a backup from the old GB firmware will that be restored as well or will it still stay on the ICS? From my understanding ICS firmware will run previous versions
Click to expand...
Click to collapse
Interesting question. Anyone?

Snake X said:
will nandroid backup (made from cwm) un-brick your phone if say, you installed a custom rom via cwm and it bricked it?
Click to expand...
Click to collapse
im not sure, i think nandroid backup will unbrick your phone as long as you can boot to recovery. atleast when i installed a roms pach it didnt fully boot, got stuck at bootanimation, no loop, just froze, then i got it back with nandroid backup

I have the latest CWM 5.xxx, but there is no Nandroid backup option.
but only those below';
- backup and restore and under it
- backup
- restore
- advanced restore
- backup to internal sd card
- advanced restore from internal sdcard
Where is NANDROID Backup?

sas_sas said:
I have the latest CWM 5.xxx, but there is no Nandroid backup option.
but only those below';
- backup and restore and under it
- backup
- restore
- advanced restore
- backup to internal sd card
- advanced restore from internal sdcard
Where is NANDROID Backup?
Click to expand...
Click to collapse
all the options with the word backup are.
Sent from my GT-I9100 using xda premium

[Q] How to make a full system backup for Galaxy S plus ?

I just bought and Samsung Galaxy S plus , I upgraded it and Updated it to the latest version .
I'm new to this android kind of stuff, and wanted to root it to get the SuperUser / BlackMarket App, but before that to avoid my phone getting brick I was told to do a system backup for my phone but I dont have a clue how to do a system backup.
Can anyone here kindly assist me ?
Thanks.

solution
You can go into settings and back up thru ur device but if you do the steps right you can back up everything thru clockwork mod when u root you don't lose anything when you unroot you dooo but once you rooted download titanium backup and you'll be good

Hi new member...we have SGS+ subforum where you can find more info,roms,whatever about our phone: http://forum.xda-developers.com/forumdisplay.php?f=1270
I have made backup w/ Titanium backup. Find it from market.

titanium backup without root?

That's what I'm wondering since the requirements is phone need to be rooted first.
What should I do to do a full system backup ( not apps ) Just the system to avoid bricked phones.

I think he's asking for an actual backup of the whole stock rom with everything on it. I wouldn't deal with Titanium Backup for that since it'll only copy changes you have like your own apps and settings when you've used the phone for a while. I would use Clockworkmod Recovery to make a nandroid backup of your rom so you may return to it when a problem with a rom arises.
EDIT
Razsus said:
That's what I'm wondering since the requirements is phone need to be rooted first.
What should I do to do a full system backup ( not apps ) Just the system to avoid bricked phones.
Click to expand...
Click to collapse
Yeah just root and install ROM manager, and from there install ClockWorkMod Recovery, and then say "Backup Current ROM" or something like that and it should do a full system backup

ChpStcksRlz said:
Yeah just root and install ROM manager, and from there install ClockWorkMod Recovery, and then say "Backup Current ROM" or something like that and it should do a full system backup
Click to expand...
Click to collapse
indeed.... a nandroid backup via CW Recovery is the best thing you can do
just make sure the backup is verified and not corrupted, after the backup has completed

But I'm wondering how if when I'm rooting that time something screwed up my phone is bricked without any backup?
Is there anyway to backup the system before rooting?
Thanks you guys for replying

U can't mate. But I don't think u can brick a phone while rooting it
Hit THANKS if I helped you

Meaning I root my phone then I do a system backup with those they mention on top, if there's any problem I do a System Restore then use the Unroot method? To claim and warranty back from Samsung or even Unroot my warranty will be gone?

recovery
if you have recovery in the cell is easy to just start looking at recovery and backup and restore

alanloax said:
if you have recovery in the cell is easy to just start looking at recovery and backup and restore
Click to expand...
Click to collapse
What do you mean?
If with my phone backup it's just for recovery files,apps,images,etc..
I dont need those I just want the system so I will be safe

Razsus said:
What do you mean?
If with my phone backup it's just for recovery files,apps,images,etc..
I dont need those I just want the system so I will be safe
Click to expand...
Click to collapse
Well in all honesty, when rooting your phone you're just adding stuff into the stock ROM to allow more freedom. But this depends on your root method. Just like with my G2, you install Visionary and run the temp root (no harm there) and then on to the permanent root (there's the harm) but it's fairly safe. Just follow your instructions and you shouldn't have any problems. In the case that you do mess up your stock ROM through rooting, the manufacturer includes a built in recovery (which you'll replace with CWM later on), the manufacturer's recovery menu is able to flash SIGNED roms which you may be able to acquire from somewhere here or the manufacturer's website

Ur system can be backed up via cwm. And yes u can unroot after flashing a stock rom to regain warranty
Hit THANKS if I helped
Sent from my Blade using xda premium

[Q] Do I need to wipe data on a downgrade?

Hey there!
I am quite new on this but am getting really tired of my tf700 being sluggish and slow, so I decided to flash a new rom and try to make a NVflash backup first just to be safe. But before doing all this I wanted to make a backup of all my app data which I can do easily with a rooted tablet and a backup app. Problem is, I am on 10.6.1.14.10 right now and I need 10.6.1.14.8 to be able to root it. So I decided that I should root it before making a backup, so here's my question, does a downgrade of stock rom require a clean wipe or wipe data at all? Or is it safe for me to downgrade, install a backup app for app data and then unlock make NVflash-blob and so on?
tl;dr Does downgrading from 10.6.1.14.10->10.6.1.14.8 require a data wipe?

kotidoti said:
Hey there!
I am quite new on this but am getting really tired of my tf700 being sluggish and slow, so I decided to flash a new rom and try to make a NVflash backup first just to be safe. But before doing all this I wanted to make a backup of all my app data which I can do easily with a rooted tablet and a backup app. Problem is, I am on 10.6.1.14.10 right now and I need 10.6.1.14.8 to be able to root it. So I decided that I should root it before making a backup, so here's my question, does a downgrade of stock rom require a clean wipe or wipe data at all? Or is it safe for me to downgrade, install a backup app for app data and then unlock make NVflash-blob and so on?
tl;dr Does downgrading from 10.6.1.14.10->10.6.1.14.8 require a data wipe?
Click to expand...
Click to collapse
This is easy: No
Sent from my ASUS Transformer Pad TF700T using Tapatalk 4

kotidoti said:
Hey there!
I am quite new on this but am getting really tired of my tf700 being sluggish and slow, so I decided to flash a new rom and try to make a NVflash backup first just to be safe. But before doing all this I wanted to make a backup of all my app data which I can do easily with a rooted tablet and a backup app. Problem is, I am on 10.6.1.14.10 right now and I need 10.6.1.14.8 to be able to root it. So I decided that I should root it before making a backup, so here's my question, does a downgrade of stock rom require a clean wipe or wipe data at all? Or is it safe for me to downgrade, install a backup app for app data and then unlock make NVflash-blob and so on?
tl;dr Does downgrading from 10.6.1.14.10->10.6.1.14.8 require a data wipe?
Click to expand...
Click to collapse
When you install the full firmware from Asus, it will wipe everything on you sd before installing. In another word, you will loose your personal data if you downgrade your firmware. Backup everything that you need before downgrading. I am very sure that is the case...

LetMeKnow said:
When you install the full firmware from Asus, it will wipe everything on you sd before installing. In another word, you will your personal data if you downgrade your firmware. Backup everything that you need before downgrading. I am very sure that is the case...
Click to expand...
Click to collapse
That's why he/she doesn't need to wipe anything - the firmware flash will do it
But you make a very good point there....
Sent from my ASUS Transformer Pad TF700T using Tapatalk 4

berndblb said:
That's why he/she doesn't need to wipe anything - the firmware flash will do it
But you make a very good point there....
Sent from my ASUS Transformer Pad TF700T using Tapatalk 4
Click to expand...
Click to collapse
How are you? I have been busy lately and don't have time to help out new users, ah I don't know much any way, hahaha.. I do remember that you helped me out a lot when I first got here.. greatly appreciated... :good:

LetMeKnow said:
When you install the full firmware from Asus, it will wipe everything on you sd before installing. In another word, you will loose your personal data if you downgrade your firmware. Backup everything that you need before downgrading. I am very sure that is the case...
Click to expand...
Click to collapse
Ah okay, thanks. That means that I can't do a backup after downgrading. Does an unlock of the tablet wipe data though? The problem I'm having is that I want to save app data before doing anything and the only way to do that without root that I've found is through helium (aka carbon) but I have yet to make Helium work, I've done a backup but not succeeded to restore the app data that I did a backup on.
Is it possible to unlock and install TWRP and do a backup that way? Or does that involve a wipe in any of the steps too?

kotidoti said:
Ah okay, thanks. That means that I can't do a backup after downgrading. Does an unlock of the tablet wipe data though? The problem I'm having is that I want to save app data before doing anything and the only way to do that without root that I've found is through helium (aka carbon) but I have yet to make Helium work, I've done a backup but not succeeded to restore the app data that I did a backup on.
Is it possible to unlock and install TWRP and do a backup that way? Or does that involve a wipe in any of the steps too?
Click to expand...
Click to collapse
Unlock is only touched your bootloader and do not wipe your system or data. You are safe on that case..
Since you are on the latest firmware, you can unlock first and try to learn fastboot to install the latest TWRP. When you have TWRP installed, you can backup your apps from there. Good luck. :fingers-crossed:

LetMeKnow said:
How are you? I have been busy lately and don't have time to help out new users, ah I don't know much any way, hahaha.. I do remember that you helped me out a lot when I first got here.. greatly appreciated... :good:
Click to expand...
Click to collapse
Yes, I noticed you have been busy with your ETs. Good work! And don't hide your light - you know plenty! Finally I have time and leisure and to flash 504

LetMeKnow said:
Unlock is only touched your bootloader and do not wipe your system or data. You are safe on that case..
Since you are on the latest firmware, you can unlock first and try to learn fastboot to install the latest TWRP. When you have TWRP installed, you can backup your apps from there. Good luck. :fingers-crossed:
Click to expand...
Click to collapse
Thank you so much for this information, I'll use Scotts tool (or something like that?) to install twrp without root and then backup and then flash Cromi-x :victory:

LetMeKnow said:
Unlock is only touched your bootloader and do not wipe your system or data. You are safe on that case..
Since you are on the latest firmware, you can unlock first and try to learn fastboot to install the latest TWRP. When you have TWRP installed, you can backup your apps from there. Good luck. :fingers-crossed:
Click to expand...
Click to collapse
Ahem... LMK - what do you mean by backing up apps in TWRP? Making a nandroid? A little different than what he was asking about - no?
---------- Post added at 12:21 AM ---------- Previous post was at 12:05 AM ----------
kotidoti said:
Thank you so much for this information, I'll use Scotts tool (or something like that?) to install twrp without root and then backup and then flash Cromi-x :victory:
Click to expand...
Click to collapse
I do not know what kind of app data you want to back up.
Without using TiBu (for which you would need root) I got a pretty seamless transition by just copying everything in my "/storage/emulated/0" directory to my PC and copying it back after wiping/formatting the data partition and installing the same apps I had before.
Don't know what firmware you are coming from, but if you are on JB 4.2 already and follow the steps you mentioned in your last post, and you do not format your data partition, your app data should be intact anyway even after flashing CROMi-X.

berndblb said:
Ahem... LMK - what do you mean by backing up apps in TWRP? Making a nandroid? A little different than what he was asking about - no?
Click to expand...
Click to collapse
Yes, it works on the same rom but I don't know if you nandroid from stock and restore them on cromi x... Are we talking on the same things? Maybe I misunderstand what is the definition of app data... Any way, if you know a better way, he/she will be more than happy to follow your helps.. That is all know and I will follow this post to learn a better method... thanks..

Use the backup app from ASUS
kotidoti said:
Thank you so much for this information, I'll use Scotts tool (or something like that?) to install twrp without root and then backup and then flash Cromi-x :victory:
Click to expand...
Click to collapse
I just did this last week after the OTA update to 10.6.1.14.10 so I had to downgrade to .08.
I made a app+data backup with the stock backup and moved the backup folder to my microSD card, then used another microSD card to do the downgrade, your card must be formatted fat32, after downgrade restore your backup, all apps and data was fine. Then I unlocked and used Scotts tool to install TWRP, goomanager dose not work, and follow the info in "ASUS TF700T unlock and root JB 4.2.1 stock" the CromiX install went smooth as silk. There are a lot of choices to make during the install I chose the default the first time.
Hope this helps, good luck.

How to backup ''untouched system'' before I root?

So before I unlock,root and install TWRP how can I backup my stock system so I can use it later for OTA needs?
I passed perhaps 2 hours searching for a tutorial for how to backup but all I have found is how to restore a backup and not how to do build one.
Should I use adb for backup? Should I unlock the phone with HTC then flash TWRP to backup the system using TWRP itself??

vegetaleb said:
Should I unlock the phone with HTC then flash TWRP to backup the system using TWRP itself??
Click to expand...
Click to collapse
That's actually the way they recommend in the TWRP thread(s). Obviously unlocking the phone and just installung TWRP doesn't void OTAs. The trouble with OTA starts with rooting the system - at least that's how I understood all I read about it. But I'm not 100% sure, did it that way anyway. Take care to pick the 'image backup' (or similar) in the TWRP backup options. I selected all possible backup 'creations' and have a huge backup now, didn't need it yet though .
Edit: Did you read this: http://forum.xda-developers.com/showpost.php?p=64003115&postcount=2
Beeing new to the A9 myself I found that a valuable source of infos about the abobe.

Xposed on Galaxy s7

Hi, ive just rooted my phone and want to install xposed framework. I dont have a custom recovery so the question is can i flash xposed framework using flashfire without losing anything? Any answered would be appriciated.

I would say it's risky

Hi-TechUp said:
I would say it's risky
Click to expand...
Click to collapse
I thought so too, do you know if its possible to flash a custom recovery, twrp without loosing data?

coios84 said:
I thought so too, do you know if its possible to flash a custom recovery, twrp without loosing data?
Click to expand...
Click to collapse
No, twrp needs a wipe, but since you have root you can backup everything anyway.
Why not try flashfire anyway, i though that was its purpose.

peachpuff said:
No, twrp needs a wipe, but since you have root you can backup everything anyway.
Why not try flashfire anyway, i though that was its purpose.
Click to expand...
Click to collapse
Alright i actually have everything backed up with titanium backup but i have not tried to restore from backup after a wipe and im not sure that if my phone is going to be in exactly the same state as it was before, with sms phone contacts apps etc.
The FlashFire thing is because im worried that i will brick my phone.!

If you have root you can backup with Titanium. Make sure that you have your SDCARD set as your backup location in preferences.
Once you do your Titanium backup to your SD card, then do the TWRP install.
Then flash ROM, etc.
Then restore from Titanium.

coios84 said:
Alright i actually have everything backed up with titanium backup but i have not tried to restore from backup after a wipe and im not sure that if my phone is going to be in exactly the same state as it was before, with sms phone contacts apps etc.
The FlashFire thing is because im worried that i will brick my phone.!
Click to expand...
Click to collapse
And also do a samsung cloud backup so it can restore the apps and homescreen and all. After that you can restore your app data with TB