problems un-rooting - Nexus 4 Q&A, Help & Troubleshooting

I rooted my nex4 so i could put some apps on but left the rom stock but now it is not updating properly. I read that my phone needs to be unrooted to update properly or to do a factory reset (I am thinking about selling it, but would like to be able to say its updated and clean).
Is there a program that I can use to *un*root my nexus 4?
Thanks in advance

Flash factory image.

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com.android.phone has stopped

Hi guys ino this problems has been posted before bui cant find the answers none of them work.
Basically this is note my phone its my grandads i updated the Firmware from Gingerbread to ICS last week and when people phone him this process stops. Now ive tried going into reject messages settings and having less then 5 and it does nit work. The phone is NOT rooted and will not be as I don't want to screw upp their warenty.
I would normally wipe permissions but I cant since CWM is not installed.
I also cant replace phone apk as I need Root access.
Please any help would be great.
Firmware version. : PDA:LQ2 /PHONE:LPT / CSC:LP4 (CPW)
Stock ICS 4.0.3 ROM
Guess first thing to try would be to wipe cache and data on the dialler app.
Every time ive had this problem though, the only tying thats worked has been a factory reset. Id watch out doing this on an ics rom though, samsung have now admitted the emmc issue and are working on stable kernels but they will probably be out a month or so.
Alternatively you may be able to use an alternative dialler from the play store.
Sent from my GT-N7000 using xda premium
Apologies, i think you'd need to be rooted to install an alternative dialler.
Sent from my GT-N7000 using xda premium
Wiping/factory reset will do the trick, I was having the same problem, coming from pre rooted Gingerbread to flashing non rooted stock ROM ICS through PC Odin.
After wiping problem no more force close on phone.
dio62000 said:
Wiping/factory reset will do the trick, I was having the same problem, coming from pre rooted Gingerbread to flashing non rooted stock ROM ICS through PC Odin.
After wiping problem no more force close on phone.
Click to expand...
Click to collapse
i wouldnt advise a factory reset with all the info we now know,would you like to be responsible for his bricked phone
i would wait til your in a position to install root safely and use a safe kernel then wipe
What I meant was a wipe after stock ROM was flashed through Odin, doesn't that remove CWM? It IS safe to do factory reset without CWM installed is it? And if you can't use your phone without well, having com.android.phone running and you do just a factorey reset it needs to go back to Samsung anyway. Hard resetting your phone doesn't seem to break warranty to me, does it?
Any advise will be appreciated, I'm still trying to figure out what to do and how to root ICS.
Thanks.
Do NOT factory reset in ICS as it could initiate the superbrick. Only wipe in CM9 or gingerbread.
Ok. Thanks. Already did it though . I was lucky to not brick the damn thing
Rolling back to Gingerbread doesn´t work, unfortunately, I get errors/fc on at least 3 important processes.
Edit: Well, I managed to get Gingerbread working again after all; flashed back to GB through PC Odin and then do a full wipe/factory restore.
wipe cache and dalvik cache will do the trick.
Guys I said that I do NOT have CWM installed nor am i rooted so little of these options will work. But I factory reset it went into reset area of setting and restored to stock and everything works fines now so THANK you also another note my granny's Galaxy s3 had the same problem after fixing the Galaxy note about 3 days after had to reset hers as well and its fine now. I wondered if it could be because i brought both phones from Carphonewarehouse ?
Thanks for your help

[Q] Nexus 7 update help

Hi Everyone,
I am currently running android 4.3(JWR66v) I flashed it using fastboot, so it is clean.
After that I rooted it and installed CWM v6.3.6 and BusyBox pro.
That is the only changes I did to my device,everything else is stock.
2 day ago I got a system update notification, looking in the cache folder I found this :
"8b2531d9d9a686c7dcf347513ce8141d59a251c6.signed-nakasi-JWR66Y-from-JWR66V.8b2531d9.zip"
I confirmed the reboot/Install but it failed with the classic (Status 7) I do not understand what is going on ?
Do I need flash my device again with a factory to get the update to install ?
I had the same setup since I bough this device last year and It had no trouble what so ever upgrading before(Unlocked+rooted+CWM)
This is supposed to be a nexus device but it sure doesn't act like one,
Can some one please help ?
Had the same problem going from 4.2.2 to 4.3. Same as you, stock rooted, but had TWRP as my recovery. I did go back to stock recovery, but no go. Ended up doing clean install. However, going from JWR66V to JWR66Y, I had no problem. Took OTA without even having to install stock recovery.
You must not be as stock as you think. My guess is you must have altered something in system that they are checking on. Hope someone with more knowledge is able to help you out because it is a PITA to have to clean install for every update. Good luck.

[Q] N7 running 4.3 keeps trying to update to 4.3

My N7 16GB WiFi, rooted but stock, updated successfully to 4.3 some time ago. Basically, I used Voodoo OTA to save the root, let the OTA do its work, then restored root using Voodoo OTA. It's worked flawlessly since then.
Suddenly, after weeks with no issue, it started insisting it had to install 4.3 from a downloaded file. It nags constantly, which makes it hard to use the tablet. I've got CWM as the recovery so whatever file it's trying to install won't work from there. The only way I can find to go back to stock recovery involves wiping the tablet. I don't want to do that, unless there's no other alternative.
I looked for the update.zip file in the location that the tablet insists its stored at (root of SD card), but there's no file there by that name that I can find. It only shows up if I allow the nag screen to try and install it. Of course, CWM says that it can't verify the file and aborts the install. Which puts me right back at the ever-present nag screen.
Just to be clear, I am already running 4.3. This whole situation came up months after I'd upgraded. Is there anything I can do to stop the upgrade notices, short of running a factory reset and having to set up the tablet again from scratch?
May have found an answer. Used Wug's toolkit to force-restore the standard recovery. Had to do some old ADB driver removal for a bunch of other Android devices first. Appears to have deleted the unnecessary update file as part of the process. Will keep an eye on it going forwards, but think it's good.
Nope -- didn't work. Had to do a full factory reset/restore to out-of-the-box condition to get it to stop constantly trying to re-upgrade to 4.3. Annoying.

[Q] N7 Tablet on the FRITZ!!!

I'm kind of at a lose with my tablet right now. I at one point did have it rooted and running clockwork for my recovery, everything was working perfectly. But as of right now I don't believe my device is rooted anymore. I did download the root checker app and it says that I am no longer rooted, which is fine but when I boot up my device I still have the unlocked padlock logo under the Google logo so I am wondering if I just have to do the OEM Lock? Or if possible, could I just unroot and reflash stock again then do the lock just to be safe or will that mess it up? not sure need some help! I am also getting the ADB device not found error with the toolkit. IDK how to fix it ive tried everything.
My guess is that my device is unrooted but still unlocked too so to get it back to normal all I have to do is the OEM Lock but I can't seem to get the ToolKit to read my device. I keep getting ADB device not found.
What I want to do is just completely restore it to as it was out of the box running stock android and unrooted. I pretty much just want to completely start over. I do have the Nexus Toolkit so could I just do the unroot and restore feature? I just don't want to brick my device. Looking for a little help on how I can get my device back to stock and completely unrooted.
I am running android 4.3 (The stock rom)
The padlock means that the bootloader is unlocked. It has nothing to do with root. I don't think anything changes if you re-lock it either.
If you're running stock and if you're not rooted anymore (how did this happen anyway?) just use the factory reset on your tablet, it's the same thing.
Use the superuser app (unless that one is gone? in this case just reinstall it from the play store) to unroot the device, and factory reset it then.
Are you using Windows 8? There are issues with fastboot/flashmode on W8, there is no fix, you have to use W7 or something else

Nexus 4 problem...

Hi there, I am having problems with my nexus 4. when i make a call sometimes.. i hear nothing, not the dial tone or the person on the other end, just silence. Restarting the phone seems to cure it, so i am having to restart phone quite a bit.
I did have my phone rooted and had a custom rom on it but for a while now i have been using the stock roms which i downloaded and upgraded when they become available over the air., on android 5.1.1 currently. I used the nexus root toolkit to root my phone by the way.
Do you think if i unrooted and completely wiped my phone and installed 5.1.1 again it would cure my phone of its problem, as it seems like a software issue more than a hardware one to me?
Does anyone know of the easiest way for me to unroot my nexus 4, wipe then install the stock 5.1.1 rom on it please?
Thanks in advance guys
Sounds you have the same problem I had after the latest update.
Started over again with a clean freshly install of LMY48l.
Did the job easy with the latest wug-fresh.
Good luck....
I have had this problem for a while now, even before I updated to 5.1.1. What's the easiest way to unroot and then completely format the phone.. before putting on a stock 5.1.1?
I never personally used wug-fresh but I'm pretty sure there is an back to stock option. If there is that will both unroot and wipe your phone.

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