SGS i9000 ICS upgrade - Galaxy S I9000 Q&A, Help & Troubleshooting

Hi all, last night I flashed this ROM to my phone I9000XXJVU_I9000OXAJVU_OXA and then flashed ICS_4.0.3_MR1-RC4.2_I9000 over the top. This all appeared to go well and booted up ok.
I then used TB to restore the backup of apps etc to use in ICS. TB ran as expected and the progress bar showed that all the apps had been restored.
From here I went to the launcher page > applications to check the icons were there and guess what ----- no piffing icons.
Searching the file system I could not find any reference to ANY of the restored apps from TB.
So !!!!!, what would be the correct way to restore a TB backup in ICS 4.0.3. Things like the sdcard seem to be in different locations also.
If some kind soul could work with me to resolve the problem that would be great. On or off list.........

If your TB backup was made with Gingerbread then you can't use it for restoring in Ice Cream Sandwich.

MoshuXXL said:
If your TB backup was made with Gingerbread then you can't use it for restoring in Ice Cream Sandwich.
Click to expand...
Click to collapse
You could restore apps only, not data. There are several tutorials in the development section, for each custom I9000 custom ICS ROM, check them out.
Try another install, wiping again cache and factory reset and try to restore only apps, not apps data.

dsecareanu said:
You could restore apps only, not data. There are several tutorials in the development section, for each custom I9000 custom ICS ROM, check them out.
Try another install, wiping again cache and factory reset and try to restore only apps, not apps data.
Click to expand...
Click to collapse
Thanks dsecareanu but I cant yet get in to the development section. Could you copy and send.

charleyspain said:
Thanks dsecareanu but I cant yet get in to the development section. Could you copy and send.
Click to expand...
Click to collapse
This applies for CM9 ICS, but is pretty general for other ROM's as well, unless they have specific requirements:
- First time flashing ICS to your Galaxy S (or coming from another ROM)?
Root your device and install ClockworkMod Recovery.
Reboot into Recovery using 3-button-combo
Do a Nandroid backup!
WIPE (wipe data/factory reset + wipe cache partition)
Install the ROM from internal sdcard using ClockworkMod Recovery
Optionally install the Google Addon
WIPE again or Calendar Sync will not work.
- Upgrading from CM7?
Do a Nandroid Backup!
WIPE (wipe data/factory reset + wipe cache partition)
Install the ROM from internal sdcard using ClockworkMod Recovery
Optionally install the Google Addon
- Upgrading from another CM9 (or teamhacksung) Build?
Do a Nandroid Backup!
Install the ROM from internal sdcard using ClockworkMod Recovery
Optionally install the Google Addon
Note: The upgrade process from CM7 to ICS is automatic, but downgrading from ICS to CM7 (or restoring Nandroid) requires flashing twice. Once from ICS and again from CM7's recovery.
Click to expand...
Click to collapse
Please note that this might not apply for your specific ROM and you might brick your phone if things go wrong.
Ideally try to find the specific instructions for your ROM.

dsecareanu said:
This applies for CM9 ICS, but is pretty general for other ROM's as well, unless they have specific requirements:
Please note that this might not apply for your specific ROM and you might brick your phone if things go wrong.
Ideally try to find the specific instructions for your ROM.
Click to expand...
Click to collapse
Thanks agian dsecareanu, i'll investigate some more.

Related

ROM flashing instructions for i896

I read as much as I can about installation of a custom ROM. I think I'm confident enough to do it now, but I just want someone to review these steps before I start.
I have a Rogers I896 currently running the stock froyo that I upgraded via Kies with a build 10.10.
Because this is on a build 10.10 I can't follow the steps vertabim with the guide in the android development forum.
1. Root with SuperOneClick
2. Titanium Backup
3. Use Odin3 v1.7 or later to restore to stock with this http://forum.xda-developers.com/showthread.php?t=905042 and the 512 pit file. (I understand this is unnecessary as I'm already stock, but in case I need to revert back to stock from a custom ROM, this is what I'll do)
4. Reroot with SuperOneClick
5. Get the ROM and put it in the root of the phone
6. Download ROM Manager and install Clockwork Recovery
7. Boot into recovery and install zip from SD card and choose the zip file that I downloaded.
8. Titanium Backup to restore
Please let me know if I'm missing something. I think I read something about Nandroid backup somewhere in the forums. I'm not exactly sure what that is and it didn't really say that in the guide. Should I do that and how do I perform that?
I'm thinking about installing either Paragon, Serendipity, or di11i. Perhaps someone can also maybe list some differences, issues, pros and cons about these ROMs.
Thanks in advance!
your steps are good enough for you to flash to a new rom.
You may have trouble with installing Clockwork. If you do, follow this link.
Also, once you reboot into clockwork, remember to do a backup of your current ROM and move it and your TiBu backups to your HD. Clearing your cache before you install your new ROM isn't a bad idea either
Goodluck!
Is clearing cache done in the clockwork recovery? I notice an option for "clear download cache" from Rom manager. Is that the same thing?
integrasaurus said:
You may have trouble with installing Clockwork. If you do, follow this link.
Also, once you reboot into clockwork, remember to do a backup of your current ROM and move it and your TiBu backups to your HD. Clearing your cache before you install your new ROM isn't a bad idea either
Goodluck!
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I896 using XDA App
likiud said:
Is clearing cache done in the clockwork recovery? I notice an option for "clear download cache" from Rom manager. Is that the same thing?
I do not think "clear cache" is necessary when you install a new rom, since most of rom will format the related partitions first. You can clear the dalvik cache in the cwm.
A master clear is recommended since it will reset your phone to factory default and delete all the data in your built-in sdcard.
Click to expand...
Click to collapse
mengbo said:
likiud said:
Is clearing cache done in the clockwork recovery? I notice an option for "clear download cache" from Rom manager. Is that the same thing?
I do not think "clear cache" is necessary when you install a new rom, since most of rom will format the related partitions first. You can clear the dalvik cache in the cwm.
A master clear is recommended since it will reset your phone to factory default and delete all the data in your built-in sdcard.
Click to expand...
Click to collapse
It doesn't hurt AFAIK. I do notice after restoring apps with TiBu some apps require you to clear their cache in order to work properly, so I do it as a preventative measure.
Another tip: do NOT restore all system data with TiBu after you flash!
Click to expand...
Click to collapse
I started on Rogers stock 2.2.
Used superoneclick to root. Installed rom manager. Used a script to modify my recovery 3e file. Rebooted into recovery. Flashed cwm. Installed my custom rom.
Pretty awesome.
Sent from my SGH-i896
Hey I don’t mean to hijack/bump the thread but I’ve got an I896 which I’m attempting to flash a custom ROM onto, but I’m a complete phone newbie and could use some assistance when it comes to clarifying some instructions. This thread seemed to be the most “laid out” instruction guide for the I896 which I could find.
Currently my phone is running 2.2 Froyo / I896UXJL1 / Kernel 2.6.32.9 which I got via Kies early January when the update was released by Rogers.
I downloaded SuperOneClick 1.7 and rooted it without problems, but that’s as far as I’m clear/comfortable.
1. Do I need to use Odin (http://forum.xda-developers.com/showthread.php?t=905042) to restore to stock? Since I’m on the default Rogers technically that is already stock, no? Can I simply continue on from where I am?
a. If I don’t need to use Odin, do I need to make a backup with titanium?
2. Does step 6 of the OP’s list simply involve hitting the “Flash ClockworkMod Recovery” option in ROM Manager v3.0.1.0?
3. After that is it simply a matter of downloading my ROM of choice (Serendipity 5.12) and putting the .zip into my root folder, booting into recovery via the “Reboot into Recovery” option in ROM Manager, and then selecting to install the ROM .zip file?
4. Is my above three points everything I need to know or is there anything else I should know/be considered?
Also, when rooting I simply turned USB debugging on, ran the two .exe’s in order and then hit root after plugging in my phone. Was I supposed to go into download mode or anything or is that only for other modes of rooting (I have superuser installed and titanium backup was able to get root access so I assume my phone rooted properly).
That being said, I’ve read a ton of threads and a ton of stickies but things tend to seem either old/outdated or focusing on the AT&T i897, with there being limited information on a newbie friendly “explain all” way from A to B for the i896, unless I missed it. Some mention rooting with X, and using path ABC to root/flash a custom rom, and others mention rooting with Z and using patch DEF to do the same; all of which have left me feeling uneasy about flashing. ><
I'd be more then happy to provide any information in which I may have left out, and would appreciate any help I can get as I'm more then enthusiastic about flashing my first custom ROM but would like have the knowledge to do it right instead of being left with a brick. Yes, I know it seems almost all "bricked" captivates are unbrickable, though I would prefer to avoid that road at all costs either way haha.
mengbo said:
Another tip: do NOT restore all system data with TiBu after you flash!
Click to expand...
Click to collapse
I'm curious to know why not to restore system data?
Is "missing apps with data" ok to restore?
Restoring system data messes things up. Restore "missing apps with data" only. no system data.
If you restore system+data your home screen will fill up with force closes faster than you can clear them out, I know this Because I did it...twice, this is where my aww.W.T.F? sig came from. Don't panic if this noobish brain fart happens to you, just re-flash the rom and only restore missing apps+data as studacris said and enjoy.

[Q] flashing custom rom after a custom rom

I flashed SGS RC 4.2 from my XXJVU stock rom. Now i want to try Dark Knight 3. I had backedup of my XXJVU stock before upgrading to ICS. What is the best way to change to another ROM
Can I
1. wipe the data and cache and from recovery and directly flash te new rom or
2. Restore the orginal XXJVU from backup and then flash the new ICS rim-Dark Knight.
Please guide me
blessonje said:
I flashed SGS RC 4.2 from my XXJVU stock rom. Now i want to try Dark Knight 3. I had backedup of my XXJVU stock before upgrading to ICS. What is the best way to change to another ROM
Can I
1. wipe the data and cache and from recovery and directly flash te new rom or
2. Restore the orginal XXJVU from backup and then flash the new ICS rim-Dark Knight.
Please guide me
Click to expand...
Click to collapse
From my understanding if you are running an ICS rom you can upgrade without wipe if it's an update to the same family ROM. Otherwise, i would recommend performing a wipe first since you'll have remnants of the previous Rom installed still and have no way of knowing if any elements are interfering with your new install.
I use App Backup and Restore for my apps and SMS Backup and Restore for messages. Doing this means wiping isn't half as laborious as without at least these items backed up.
Maybe it's a bit overkill but i always backup what i need. Wipe, Install, Reboot. Let the phone do what it needs to. Reboot into recovery and factory / wipe / clear cache and fix permissions. I rarely get any problems this way.
Maybe this is helpful to you.
Thanks for sharing.
As per you above comments i can directly flash the ICS dark Knight rom from the current SGS RC4.2 rom by just flashing from the recovery mode?
blessonje said:
Thanks for sharing.
As per you above comments i can directly flash the ICS dark Knight rom from the current SGS RC4.2 rom by just flashing from the recovery mode?
Click to expand...
Click to collapse
ya you can.. but its always better to do a backup of your apps/ data and do a factory reset and then install a new rom through recovery.. a fresh install would prevent any problems... also in every rom's op the install instructions are given.. better to follow those as you'll be able to get better help in case of any problems..
Thank You..Point Taken !!

[Q] updating a rom quick question

I have an lg optimus 2x and when i want to update the rom i just go into CWM flash the new rom, flash custom kernel and reboot and am good to go.
It does not seem like it for the touchpad? are there any roms that are similar to this, im asking because I dont want to reinstall all my apps everytime I upgrade a rom. especially since ICS updates are moving so quickly.
thanks
umirza85 said:
I have an lg optimus 2x and when i want to update the rom i just go into CWM flash the new rom, flash custom kernel and reboot and am good to go.
It does not seem like it for the touchpad? are there any roms that are similar to this, im asking because I dont want to reinstall all my apps everytime I upgrade a rom. especially since ICS updates are moving so quickly.
thanks
Click to expand...
Click to collapse
I use the unofficial nightlies. All I do is wipe cache, wipe dalvik cache and install.
You could also use titanium backup to restore your apps if you've done a wipe delete factory reset. Also, in cwm, you could try advanced restore > restore data.
umirza85 said:
I have an lg optimus 2x and when i want to update the rom i just go into CWM flash the new rom, flash custom kernel and reboot and am good to go.
It does not seem like it for the touchpad? are there any roms that are similar to this, im asking because I dont want to reinstall all my apps everytime I upgrade a rom. especially since ICS updates are moving so quickly.
thanks
Click to expand...
Click to collapse
For every Android device...if you are updating the different version of same rom, you dont need to wipe (unless Dev specify it). If you are flashing different rom, then you should wipe cache, dalvik cache atleast....better if you can factory reset to avoid random FC issue....
Its similar in touchpad...once you have android (CWM and mobbot) installed, you just wipe cache and dalvik cache for different version of same rom...and along with that factory reset if you are flashing new rom....
Titanium backup and my backup pro are very good apps to restore your apps in minutes.....
Thanks for the clarification guys
Also is there a way to get usb mode with CM9?? i cant seem to find a way to transfer files over to the touchpad via usb
umirza85 said:
Also is there a way to get usb mode with CM9?? i cant seem to find a way to transfer files over to the touchpad via usb
Click to expand...
Click to collapse
Go to the storage tab in settings, click the menu button , 3 dots in top right hand corner click USB computer connection then tick the option for MTB, and your done .
Don't know who first discovered this method of restoring apps/user data, but you could go into CWM...backups and restore...advanced restore...select rom containing user data you wish to restore....select restore data....reboot.
A whole lot simpler (in my opinion) than using titanium backup for multiple app restore.

[Q] Trying to unflash ROM - very overwhelmed!

Hi there,
I recently rooted and flashed a custom ROM onto my Samsung Galaxy S3 Mini. I'm very new to this thing and find everything quite overwhelming, but I want to learn.
I flashed this ROM - http://forum.xda-developers.com/showthread.php?t=2119219 (the v6 No Wipe version because I was petrified about losing my data if I factory reset), but the phone is now extremely laggy and buggy, so I want to go back to the stock ROM (so I can do a nandroid backup) and then try a different custom ROM like Dmod.
So, my question is, do I have to factory reset my phone to go back to stock? Or can I just flash this file (http://hotfile.com/dl/189271016/833...T-I8190N-BTU-I8190NXXALL6-1356151513.zip.html) using the CWN recovery menu without wiping? I'm asking because my phone keeps giving me an error everytime I try to backup using the CWM Recovery menu.
Thanks and if you need me to explain something in further detail, let me know.
YamiWheeler said:
Hi there,
I recently rooted and flashed a custom ROM onto my Samsung Galaxy S3 Mini. I'm very new to this thing and find everything quite overwhelming, but I want to learn.
I flashed this ROM - http://forum.xda-developers.com/showthread.php?t=2119219 (the v6 No Wipe version because I was petrified about losing my data if I factory reset), but the phone is now extremely laggy and buggy, so I want to go back to the stock ROM (so I can do a nandroid backup) and then try a different custom ROM like Dmod.
So, my question is, do I have to factory reset my phone to go back to stock? Or can I just flash this file (http://hotfile.com/dl/189271016/833...T-I8190N-BTU-I8190NXXALL6-1356151513.zip.html) using the CWN recovery menu without wiping? I'm asking because my phone keeps giving me an error everytime I try to backup using the CWM Recovery menu.
Thanks and if you need me to explain something in further detail, let me know.
Click to expand...
Click to collapse
That firmware is a zipped odin-file. Can't be flashed in CWM.
Make a cwm nandroid backup of your "/data" to your external sd (that's your installed apps)
You can also backup your apps and appdata using titanium backup or similar, for later restore.
Just remember to never backup/restore systemapps.
Backup internal sd to computer just to be sure, if you in any situation have to make a factory reset. Make sure any kind of backup is on your external sd before you make factory reset, or it will be lost forever
YamiWheeler said:
Hi there,
I recently rooted and flashed a custom ROM onto my Samsung Galaxy S3 Mini. I'm very new to this thing and find everything quite overwhelming, but I want to learn.
I flashed this ROM - http://forum.xda-developers.com/showthread.php?t=2119219 (the v6 No Wipe version because I was petrified about losing my data if I factory reset), but the phone is now extremely laggy and buggy, so I want to go back to the stock ROM (so I can do a nandroid backup) and then try a different custom ROM like Dmod.
So, my question is, do I have to factory reset my phone to go back to stock? Or can I just flash this file (http://hotfile.com/dl/189271016/833...T-I8190N-BTU-I8190NXXALL6-1356151513.zip.html) using the CWN recovery menu without wiping? I'm asking because my phone keeps giving me an error everytime I try to backup using the CWM Recovery menu.
Thanks and if you need me to explain something in further detail, let me know.
Click to expand...
Click to collapse
Backup your data in CWM, flash my ROM and restore your data with CWM.
Benzonat0r said:
Backup your data in CWM, flash my ROM and restore your data with CWM.
Click to expand...
Click to collapse
CWM has NO choice to backup/restore only parts of the device. Only a full backup is possible.
This is only in TWRP. Pity! I only use CWM because TWRP makes corrupted backups (three times) for me.
Or is it possible to pick out only DATA from the backup? And what is happen with the dalvik cache, which
consists of the byte-code for all installed apps, optimized for the ROM which created it?
"advanced restore and restore only /data". Is this the way in CWM that you mean @benz?
JackoMJ
Yes that's exactly what I meant, "advanced restore and restore only /data"
You don't have to worry about cache and dalvik because it's automatically created on the initial start.
thx for the information Benz (usefull in the future perhaps),
but i´ve decided to use Titanium Backup.
JackoMJ

[Q] Questions before flashing custom ROM

I am planning to flash a custom rom on my phone (for the first time).
Model : Xperia SP(C5302)
Build : 12.1.A.1.205 (Stock) running JB 4.3 with LB
I have rooted my phone using the towelroot method and installed supersu. I have also installed custom recovery from here http://forum.xda-developers.com/showthread.php?t=2649923
I am planning to flash this custom rom http://forum.xda-developers.com/xperia-sp/development/cyanogenmod-11-locked-bootloader-users-t2868398
So I have a few questions that I am not clear about(even after searching the forums). And sorry if they are dumb. I really want to understand as much as possible before flashing roms.:fingers-crossed:
1. After reading the thread of my recovery, from what I understand, the recoveries are installed in /system. But on OP of the custom rom, I am about to install, there is an instruction to format /system before flashing the rom. So my question is if I format the /system partition, won’t my recoveries be removed (by the recoveries itself) before I even flash the rom?
2. Also will the recovery still be available to me if say I enter bootloop for some reason during flashing the rom?(asking for the same reason as above that is wiping my /system should also remove my recoveries)
3. Does CM 11 come with any inbuilt custom recovery? If not can I install the one I am already using (assuming installing a custom rom will remove my installed recoveries)?
4. Say I screw up during the flashing procedure. So if I want to rectify this I should first flash the stock .205 ftf, root, install a recovery again and then restore using the nandroid backup. Am I correct?
5. Is it necessary to wipe cache and dalvik cache before flashing rom? I see this instruction in some roms but not in others. And dalvik should be wiped after flashing rom and gapps, right?
6. Should I install supersu again after I flash the rom. I read in an article that it causes problems with CM. As far as I know CM11 comes pre-installed with superuser. But it also supposedly causes some problems.
7. Is it safe to restore user app+data, messages and contacts backed up using Titanium backup on a newly flashed rom? I have seen conflicted views on this.
Click to expand...
Click to collapse
And that’s it for my questions (for now at least... ).
A Big Thanks in advance for all your helpful answers
Prat92 said:
I am planning to flash a custom rom on my phone (for the first time).
Model : Xperia SP(C5302)
Build : 12.1.A.1.205 (Stock) running JB 4.3 with LB
I have rooted my phone using the towelroot method and installed supersu. I have also installed custom recovery from here http://forum.xda-developers.com/showthread.php?t=2649923
I am planning to flash this custom rom http://forum.xda-developers.com/xperia-sp/development/cyanogenmod-11-locked-bootloader-users-t2868398
So I have a few questions that I am not clear about(even after searching the forums). And sorry if they are dumb. I really want to understand as much as possible before flashing roms.:fingers-crossed:
And that’s it for my questions (for now at least... ).
A Big Thanks in advance for all your helpful answers
Click to expand...
Click to collapse
First of all, I am only explaining the one I know about
1. Well, wiping the system will remove the recovery. That's why you'll have to flash the ROM after wiping the system. Do not ever reboot the phone after wiping the system but haven't yet flashed the ROM zip, else you'll have to do more work to flash the Stock ROM. This is due to the fact your phone does not have an OS to boot into! When flashing the ROM zip, the recovery will be automatically installed.
2. This is based on luck, most of time you'll end up unable to boot into anything. A fix is to flash the Stock ROM again.
3. Every ROM has recovery built with it (unless stated otherwise in the thread)! Upon flashing, it will be automatically installed too.
4. The methods you mentioned is correct. However, only restore the nandroid backup if you want to stay on stock. You could always retry to flash the ROM again. Nandroid backup is an image backup of your android. If you restore your nandroid backup, you'll end up with your previous version of android (like the way before you started flashing the ROM)
5. Wiping /cache and dalvik-cache is a really good practise! It doesn't really matter when you will need to wipe them, but personally I wipe them all before flashing the ROM. Wiping /data and performing a factory reset through recovery is recommended if you're coming from a different ROM. That's why backing up user apps through TiB (Titanium Backup) is recommended for you to easily get your installed apps back. Remember, nandroid backup and apps backup from TiB is different to each other.
6. No, this might cause extreme conflicts. No, I am using SuperUser as long as I have used CM. It never fails to give root permission at all despite the hatred I sense in some apps that overly-recommends SuperSU.
7. Of course it is very safe to restore them backups with TiB. However, based on my experience, messages and contacts were unable to be restored due to the difference in ROM version. I don't know if anyone else faces the same problem as mine. As of this, I really recommend your contacts to be synced with Google.
Heads up!
Based on this post, the dev of the ROM you wanted to flash, MrSteve555, recommends PhilZ when flashing the ROM.
TechnoSparks said:
First of all, I am only explaining the one I know about
1. Well, wiping the system will remove the recovery. That's why you'll have to flash the ROM after wiping the system. Do not ever reboot the phone after wiping the system but haven't yet flashed the ROM zip, else you'll have to do more work to flash the Stock ROM. This is due to the fact your phone does not have an OS to boot into! When flashing the ROM zip, the recovery will be automatically installed.
2. This is based on luck, most of time you'll end up unable to boot into anything. A fix is to flash the Stock ROM again.
3. Every ROM has recovery built with it (unless stated otherwise in the thread)! Upon flashing, it will be automatically installed too.
4. The methods you mentioned is correct. However, only restore the nandroid backup if you want to stay on stock. You could always retry to flash the ROM again. Nandroid backup is an image backup of your android. If you restore your nandroid backup, you'll end up with your previous version of android (like the way before you started flashing the ROM)
5. Wiping /cache and dalvik-cache is a really good practise! It doesn't really matter when you will need to wipe them, but personally I wipe them all before flashing the ROM. Wiping /data and performing a factory reset through recovery is recommended if you're coming from a different ROM. That's why backing up user apps through TiB (Titanium Backup) is recommended for you to easily get your installed apps back. Remember, nandroid backup and apps backup from TiB is different to each other.
6. No, this might cause extreme conflicts. No, I am using SuperUser as long as I have used CM. It never fails to give root permission at all despite the hatred I sense in some apps that overly-recommends SuperSU.
7. Of course it is very safe to restore them backups with TiB. However, based on my experience, messages and contacts were unable to be restored due to the difference in ROM version. I don't know if anyone else faces the same problem as mine. As of this, I really recommend your contacts to be synced with Google.
Heads up!
Based on this post, the dev of the ROM you wanted to flash, MrSteve555, recommends PhilZ when flashing the ROM.
Click to expand...
Click to collapse
Thanks for such detailed answers. That cleared most of my doubts
Just some last few questions(promise!)
1. If wiping /system does remove the recovery before I install the rom, how is it possible to access it even to flash the rom? Shouldn't it like just close right when I wipe /system. Or does it not work like that?
2. Just to be sure the nandroid backup I made on my stock rom won't work if I later try to flash it through recovery while using CM,right?
Prat92 said:
Thanks for such detailed answers. That cleared most of my doubts
Just some last few questions(promise!)
1. If wiping /system does remove the recovery before I install the rom, how is it possible to access it even to flash the rom? Shouldn't it like just close right when I wipe /system. Or does it not work like that?
2. Just to be sure the nandroid backup I made on my stock rom won't work if I later try to flash it through recovery while using CM,right?
Click to expand...
Click to collapse
1. Wiping system wont close the recovery at all. It still runs and you can still navigate within it. But remember do not reboot unless you've flashed the ROM! The mechanism of how the magic works is yet to be acknowledged. So I can't tell why it doesn't closes upon wipe. My best guess here is that the recovery might be running on a temporary partition perhaps. I hope a developer see this post and explains the magic.
2. Nandroid backup works all the time (if they are no errors when you are creating them). Nandroid backup is simply a backup of your whole device. If you're on CM, restoring nandroid backup will get your phone back to the way when you attempted the nandroid backup (stock ROM, rooted, and triple recoveries installed). Nandroid backup is useful when you're about to try something that may damage your ROM, without doing so much work to restore your device.
Say, you created a nandroid backup in cwm in which Cyanogenmod was installed. And then you flashed something afterwards. If that "something" damages the ROM and gives you bootloop, you can simply flash Stock ROM, root it again, install recoveries again, and restore the nandroid backup. Then, voilà, cyanogenmod is back. This will simplify your work rather than flash CM again, then gapps, then restore your apps and all those other things that will consume so much time
So a new nandroid backup will backup the whole device, in a form of an image.

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