How to keep your apps when changing roms - Nexus 4 Q&A, Help & Troubleshooting

How can i keep my data when switching roms so i dont have to install All again?
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LibiSC said:
How can i keep my data when switching roms so i dont have to install All again?
Sent from my Nexus 4 using xda app-developers app
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dirty flash them, dont wipe data. it wont always work though. if not, youll have to go back and wipe data. generally, you can dirty flash different roms if their based on the same source. if they arent based on the same, then you have to wipe data. you can use apps like titanium backup to back up apps and their data, then restore them after a flash.

Keeping your apps
All you have to do is make a backup of your data in recovery and when you flash the next rom with a clean install, go to recovery and flash the data. And you will have a clean install with everything on it

ikr said:
All you have to do is make a backup of your data in recovery and when you flash the next rom with a clean install, go to recovery and flash the data. And you will have a clean install with everything on it
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That will restore system data also and will cause problems. Use ti backup app or carbon backup
Sent from my Nexus 4

Never had problems
spaceman860 said:
That will restore system data also and will cause problems. Use ti backup app or carbon backup
Sent from my Nexus 4
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I have never had problems doing this since i got the n4

Use Titanium backup, Mybackup or Carbom
Nexus4 / Rom JDQ39 / Kernel Franco #125

ikr said:
I have never had problems doing this since i got the n4
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Don't worry. You will eventually. It's a terrible idea.

Just flash over the rom you have. You will keep your apps, but chances are you'll run into force closes.

Related

Backup

I am going to install alien 4, a new kernel, and a new radio (im in .15 somehow ). Using titanium backup, should I only back up user data or both user and system? I wasn't sure if it mattered when changing the kernel.
ecko19 said:
I am going to install alien 4, a new kernel, and a new radio (im in .15 somehow ). Using titanium backup, should I only back up user data or both user and system? I wasn't sure if it mattered when changing the kernel.
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You can backup every thing, but only restore apps + user data for those apps. Do not restore system data
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Wifi Error

When I try to use my wifi on CM 7.1 stable it just says error everytime I turn it on. So I tried to wipe everything again and reflash and that still didn't fix it. Any ideas?
Thanks in advance.
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Try wiping cache and dalvik n try it or try to reflash different kernel .or just the stock kernel 4 cm you may also of got a incomplete download. Did you maybe restore part of a old OS instead of just apps also?
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This answer was given to me by "teh roxxorz." This has nothing to do with your rom or kernel, do this:
Back up everything into Titanium Backup
Boot into recovery
wipe cache, Dalvik, and pretty much everything
reflash your rom,kernel and gapps (or if you would like to check out some other roms and kernels just click on the link in my sig)
once you've set up your phone download Titanium Backup from the market
in titanium backup restore all your apps ONLY!!! (don't get apps w/ data - only get apps, and do not get system data)
after this your wifi should be working just fine
p.s. if you would like to find out more about aosp roms/kernels check the link in my sig ^_^
The strange part is I restored nothing at all. It was a fresh start I will see if that works.
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sstory792 said:
The strange part is I restored nothing at all. It was a fresh start I will see if that works.
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let me know how it goes

New Nexus Questions

Bout to get my nexus 4, will be dropped off by UPS tomorow. And i have a few questions, if anyone will be kind enough to answer.
Would it be a smart idea to unlock the bootloader and root it with TWRP recovery like the second i take it out of the box so that way i dont have to back anything up?
And then, when i decide to switch to a non stock ROM i will just need Titanium backup to backup my stuff and then im good to go?
Also, one more question, since nexus's dont have SD cards, wont my titanium backups get wiped when i flash a rom?
Thanks
1) Yes it would probably be a good idea to unlock and root right away. That's what I done with my Nexus 7. I didn't install recovery though because I wasn't interested in custom ROMs. If you're going to be flashing things right away then yes install the recovery aswell.
2) Titanium Backup will do that perfectly for you but you could always just make the backup through recovery. As you said you'll be using TWRP it means you can restore data separately from a backup anyway.
3) You don't need to worry about backups being wiped because they're stored in the internal SD. It's essentially just space to make sure important things can still be safe even if you factory reset.
Hope that helps
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Btw I would recommend Helium instead of Titanium Backup for backing up your stuff. Works much more efficiently, at least for me. Helium backs up everything, apps and app data, launcher, WiFi settings, user dictionary, launcher setup, and all your SMS data. I really like it and I've fully replaced Titanium Backup with it.
Sent from my Nexus 4 using xda app-developers app
Instead of titanium backup use go backup pro and save it to the cloud
Sent from my Nexus 4 using xda premium
After you root & unlock the device I strongly suggest you play around with the phone for a few days and see how battery is and its performance as well. After those few days if you want you could just install any rom or kernel you want. You'll thank me later. Lol
KidCarter93 said:
1) Yes it would probably be a good idea to unlock and root right away. That's what I done with my Nexus 7. I didn't install recovery though because I wasn't interested in custom ROMs. If you're going to be flashing things right away then yes install the recovery aswell.
2) Titanium Backup will do that perfectly for you but you could always just make the backup through recovery. As you said you'll be using TWRP it means you can restore data separately from a backup anyway.
3) You don't need to worry about backups being wiped because they're stored in the internal SD. It's essentially just space to make sure important things can still be safe even if you factory reset.
Hope that helps
Sent from my HTC One using xda premium
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nyyankees1237 said:
Btw I would recommend Helium instead of Titanium Backup for backing up your stuff. Works much more efficiently, at least for me. Helium backs up everything, apps and app data, launcher, WiFi settings, user dictionary, launcher setup, and all your SMS data. I really like it and I've fully replaced Titanium Backup with it.
Sent from my Nexus 4 using xda app-developers app
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ayo234 said:
Instead of titanium backup use go backup pro and save it to the cloud
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scream4cheese said:
After you root & unlock the device I strongly suggest you play around with the phone for a few days and see how battery is and it's performance as well. After those few days if you want you could just install any rom or kernel you want. You'll thank me later. Lol
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thank you all so much! I really appreciate the answers. I will look into all three of those options for backing up my data! Thank you. and the internal sd card thing makes perfect sense so thank you for that explanation. You all have a good day!

Files carrying over from previous rom

After flashing MIUI on my N4 and going back to a nandroid of a previous AOKP rom, I am getting a "Unfortunately, System UI has stopped" message over and over. Also, I noticed that after going to another rom (either nandroid or clean flash), there are some files left from the previous rom (e.g., flashed Carbon then went back to nandroid of AOKP and had a PIE remnant, which I know is not present on AOKP). I'm figuring this has something to do with things not getting completely wiped (all this is after complete wipe in TWRP between flashes).
Anyone have any advice on how to get a complete wipe between flashes?
Thanks in advance
Wipe cache, wipe system, wipe dalvik cache and factory reset. Do all those in recovery mode.
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scream4cheese said:
Wipe cache, wipe system, wipe dalvik cache and factory reset. Do all those in recovery mode.
Sent from my Nexus 4 using Tapatalk 2
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I did all those. Although, if I remember correctly, there's no option to wipe system in TWRP. Not sure. But I did wipe everything I could in TWRP recovery.
Thanks though.
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It's there under advanced wipe.
Wayne Tech Nexus
This happens to me to for some reason even if I do wipe system. The wallpaper from my previous ROM almost always gets carried over for some reason
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justin11141 said:
This happens to me to for some reason even if I do wipe system. The wallpaper from my previous ROM almost always gets carried over for some reason
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This happens if you have it set for your apps and settings to be restored by Google. I never advice this
Wayne Tech Nexus
zelendel said:
This happens if you have it set for your apps and settings to be restored by Google. I never advice this
Wayne Tech Nexus
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Oh wow well that makes sense.
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scream4cheese said:
Wipe cache, wipe system, wipe dalvik cache and factory reset. Do all those in recovery mode.
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After this flash ROM, then skip set up wizard and go to settings > backup and reset and do a factory reset from there. It will reboot. Then everything from the other ROM should be gone.
Hit thanks if I helped
fireboypr said:
After this flash ROM, then skip set up wizard and go to settings > backup and reset and do a factory reset from there. It will reboot. Then everything from the other ROM should be gone.
Hit thanks if I helped
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But will I have a ROM to go back to? I mean if I do a factory reset after flashing the ROM that doesn't erase the ROM?
Oh, and what if you're trying to restore a nandroid?
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scott62185 said:
But will I have a ROM to go back to? I mean if I do a factory reset after flashing the ROM that doesn't erase the ROM?
Oh, and what if you're trying to restore a nandroid?
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Doing that after a rom flash can cause issues. That is why I always suggest to doing a full and proper wipe before flashing. Though it does seem that MIUI for some reason doesn't always properly remove files when this is done.
Wayne Tech Nexus
zelendel said:
Doing that after a rom flash can cause issues. That is why I always suggest to doing a full and proper wipe before flashing. Though it does seem that MIUI for some reason doesn't always properly remove files when this is done.
Wayne Tech Nexus
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Hmmm, so what do you suggest?
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scott62185 said:
But will I have a ROM to go back to? I mean if I do a factory reset after flashing the ROM that doesn't erase the ROM?
Oh, and what if you're trying to restore a nandroid?
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What? A factory reset clears out user data and restores the ROM back to the way it is after a fresh install. It doesn't touch the system partition.
You do know that titanium can restore app data from a nandroid, right?
The noobness is strong with this one.
estallings15 said:
What? A factory reset clears out user data and restores the ROM back to the way it is after a fresh install. It doesn't touch the system partition.
You do know that titanium can restore app data from a nandroid, right?
The noobness is strong with this one.
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I never thought about the rom being left intact after a factory reset because I only do a full wipe when flashing a whole new rom (I've never wiped after flashing a new rom, only before). And yeah, I use Titanium Backup.
justin11141 said:
This happens to me to for some reason even if I do wipe system. The wallpaper from my previous ROM almost always gets carried over for some reason
Sent from my Nexus 4 using Tapatalk 4 Beta
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Google's built in backup can do that. Many custom ROM's custom settings can be restored as well if there are provisions in the ROM that allow that data to be backed up to the Google servers. Many of the custom settings I use on CM are restored by this mechanism in the rare event of a wipe. With "App Data" being able to be synced with Google's servers we'll see much more of this as well; I think it's great.
These are "non-essential" settings that won't/shouldn't affect stability, etc...
Example: http://review.cyanogenmod.org/#/c/45135/

Moving from GNex to N4 ... titanium?

My N4 is on the way after the price drop and i was wondering.. can i do a titanium app backup on my gnex and then restore on the N4?
with no issues (i will be installing paranoid android on it also)
I was just wondering this same thing. I've got a Nexus 7 'flo' waiting for me at home, waiting to be opened, which brought this question to my attention this afternoon. I figured I'd just try it and see what happened, what could go wrong? I assume it'd be fine anyway, I can't think of why it wouldn't be, but maybe wait for someone else who knows more about it to answer, or heck, wait until tomorrow and I'll let you know if it worked for me.
You can indeed try it and see whay happends but I don't think it's a good idea. Alot of roms recommend you NOT to restore your data with Titanium when switching roms while you not only switch roms, but a whole other phone.
You can still try it though, just to be sure make a nandroid backup first.
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failly said:
You can indeed try it and see whay happends but I don't think it's a good idea. Alot of roms recommend you NOT to restore your data with Titanium when switching roms while you not only switch roms, but a whole other phone.
You can still try it though, just to be sure make a nandroid backup first.
Sent from my Nexus 4 using xda app-developers app
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Oh i never restore apps and data, just apps... would that cause issues?
i restored my gnex titanium backup on my n4 and n7, apps only, no issues. before that, i restored my titanium backup from my nexus s to my gnex
You could also do an adb b/u.
When I migrated from the GN to the N4 I did this:
Code:
adb backup -all -nosystem -shared -apk
It will b/u your sd card contents as well and adb can restore MOST apps. There are some however that have to be installed before they can be restored, but this will also copy your TiBU folder (-shared) tag, so...
Gamma Ray said:
Oh i never restore apps and data, just apps... would that cause issues?
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Worst that could happen if restoring data that won't work or is corrupt would be some force closes I think so not really serious issues but irritating issues.
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if you do get fc's from an app for restoring a titanium backup, go to the phones main settings, apps, then find that app and clear its data. it always fixes those fc's.
Yeah, I did a Titanium back up and restore from the Galaxy Nexus to the Nexus 4 a long time ago. Didn't have any problems. Just make sure to only restore app data and not system data.
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