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Old October 9th, 2012, 10:32 PM   #1 (permalink)
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Default 4.1.2 Update for rooted users

Hey guys, 4.1.2 is out. Added are landscape homescreen and some new notification expansion gestures.

You can either take the ota, manually flash the OTA, or wait until your ROM of choice includes it.. This will break root, so either use nexus root toolkit to re-root or use something like OTA root keeper (or supersu)

Manual flash download:
http://v21.lscache1.c.android.clients.google.com/packages/data/ota/google_nakasi/03a4eaf95f73.signed-nakasi-JZO54K-from-JRO03D.03a4eaf9.zip


If you have deleted system apps, the download above will fail. I have edited the above file (only changing the updater-script) so that it will work. I've done this for the OG EVO crowd a few times. If someone wants a how-to post for their own information for the future I can write that up. Very easy to do.

https://dl.dropbox.com/u/63060876/Nexus%207/4.1.2edited.zip

Now, seeing that its hosted on dropbox, it may go down depending on download numbers.
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Old October 10th, 2012, 06:36 PM   #2 (permalink)
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Thank you very much, and also thanks for pointing out SuperSU. I'm not a super-geek and I didn't know of it. I installed the Pro version and I hope it allows survival of root across the 4.1.2 OTA update. I'll report back here. I have not seen the OTA come up yet, but I got the one you posted. Again thanks very very much!
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Old October 10th, 2012, 06:39 PM   #3 (permalink)
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Quote:
Originally Posted by Bob Denny View Post
Thank you very much, and also thanks for pointing out SuperSU. I'm not a super-geek and I didn't know of it. I installed the Pro version and I hope it allows survival of root across the 4.1.2 OTA update. I'll report back here. I have not seen the OTA come up yet, but I got the one you posted. Again thanks very very much!
No problem. The survival mode of super su *should work*, but I admit I've never tested it myself. Keep me posted
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Old October 10th, 2012, 07:21 PM   #4 (permalink)
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A little warning:

Quote:
Originally Posted by fattire
Quick heads up for anyone building for Nexus 7: 4.1.2 grouper device + kernel built from 4.1.1 source = you're gonna have a bad time.
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Old October 10th, 2012, 07:47 PM   #5 (permalink)
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So I've used supers from the beginning when rooting this one, are you sure rootkeeper is obsolete then? I just downloaded it and I don't want it to conflict or anything.

Thanks for the guide!
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Old October 10th, 2012, 07:54 PM   #6 (permalink)
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If you read the description in the play store OTA root keeper doesn't work with super Su because its already covered.
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Old October 10th, 2012, 08:52 PM   #7 (permalink)
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Oops, you're right I didn't read that part. I haven't bought supers though so I don't have that functionality... Bummer
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Old October 10th, 2012, 08:56 PM   #8 (permalink)
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Quote:
Originally Posted by colchiro View Post
A little warning:
Care to expand on that? I'm running a 4.1.1 kernel on 4.1.2 right now.

According to Google new nexus' coming out won't be able to run 4.1.1, but there's nothing going on with mine.

Quote:
Originally Posted by JBQ
As a note to maintainers of community builds running on Nexus 7: please update to 4.1.2 at the first opportunity. Future variants of the grouper hardware will have a minor change in one of the components (the power management chip) that will not be compatible with 4.1.1.
The build number is JZO54K, and the tag is android-4.1.2_r1.
Enjoy,
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Old October 10th, 2012, 09:15 PM   #9 (permalink)
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OTA applied against 100% stock 4.1.1 using SuperSU and the original OTA file you posted THANKS!! Turn on Survival Mode in SuperSU, do the OTA via CWM (not off-air!), answer Yes to the disable recovery overwrite and preserve root options on CWM reboot system, and voila! 4.1.2. Be sure to turn Survival Mode in SuperSU back off BEFORE DOING A NANDROID!!
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Old October 10th, 2012, 09:41 PM   #10 (permalink)
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Quote:
Originally Posted by Rxpert83 View Post
Care to expand on that? I'm running a 4.1.1 kernel on 4.1.2 right now.
My take is that 4.1.1 kernels aren't compatible with 4.1.2 roms.

Is your kernel built from source?

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Originally Posted by Rxpert83 View Post
According to Google new nexus' coming out won't be able to run 4.1.1, but there's nothing going on with mine.
I saw that too.
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Old October 10th, 2012, 09:49 PM   #11 (permalink)
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Quote:
Originally Posted by colchiro View Post
My take is that 4.1.1 kernels aren't compatible with 4.1.2 roms.

Is your kernel built from source?



I saw that too.
I've ran both motley and Franco in the past 24 hours so I'm not sure what's up
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Old October 11th, 2012, 06:39 AM   #12 (permalink)
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Fattire is a highly regarded developer for CM for the HP Touchpad and Nook Color. If I see anything more on Twitter, I'll post it here.
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Old October 11th, 2012, 08:20 AM   #13 (permalink)
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Quote:
Originally Posted by colchiro View Post
Fattire is a highly regarded developer for CM for the HP Touchpad and Nook Color. If I see anything more on Twitter, I'll post it here.
Thanks. Im just interested to know what the issues are.

Anyways, Franco got his kernel updated last night so I'm on the new base
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Old October 11th, 2012, 09:34 AM   #14 (permalink)
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Quote:
Originally Posted by Rxpert83 View Post
Hey guys, 4.1.2 is out. Added are landscape homescreen and some new notification expansion gestures.

You can either take the ota, manually flash the OTA, or wait until your ROM of choice includes it.. This will break root, so either use nexus root toolkit to re-root or use something like OTA root keeper (or supersu)

Manual flash download:
http://v21.lscache1.c.android.clients.google.com/packages/data/ota/google_nakasi/03a4eaf95f73.signed-nakasi-JZO54K-from-JRO03D.03a4eaf9.zip


If you have deleted system apps, the download above will fail. I have edited the above file (only changing the updater-script) so that it will work. I've done this for the OG EVO crowd a few times. If someone wants a how-to post for their own information for the future I can write that up. Very easy to do.

https://dl.dropbox.com/u/63060876/Nexus%207/4.1.2edited.zip

Now, seeing that its hosted on dropbox, it may go down depending on download numbers.
What exactly did you "take out"? I see your edited updater is only 64K, I took out all the /system/apps/* and mine is still over 84K, but I see you left quite a few of those in.

Just wondering...
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Old October 11th, 2012, 10:48 AM   #15 (permalink)
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Quick question! It's been a while since I dealt with a system update...
I have moved some apps to my /system partition, will I lose those when I decide to take the OTA or flash manually?
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Old October 11th, 2012, 11:05 AM   #16 (permalink)
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Quote:
Originally Posted by rootbrain View Post
What exactly did you "take out"? I see your edited updater is only 64K, I took out all the /system/apps/* and mine is still over 84K, but I see you left quite a few of those in.

Just wondering...
I took out all of Google's system checks. Simply open it up to compare.





Quote:
Originally Posted by Teknologic View Post
Quick question! It's been a while since I dealt with a system update...
I have moved some apps to my /system partition, will I lose those when I decide to take the OTA or flash manually?
Back them up with an app like titanium backup just in case. A nandroid couldn't hurt either.
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Old October 11th, 2012, 12:35 PM   #17 (permalink)
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Yeah I did a full titanium yesterday when I read about the ota, just in case it would roll in during work
Haven't done a nandroid yet, I'm still on stock recovery. Might do it on wugs toolkit later.
I've decided to wait it out, it's a very minor update and with the N1 I was never able to muster the patience, the only OTAs I had were when unboxing my N1 and N7.

Let's see if the years made me more patient...
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Old October 11th, 2012, 02:44 PM   #18 (permalink)
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Quote:
Originally Posted by Rxpert83 View Post
I took out all of Google's system checks. Simply open it up to compare.


Back them up with an app like titanium backup just in case. A nandroid couldn't hurt either.
Ahh, yes could do that but you answered the question so no need now . I just removed the system app checks, which was my issue since I got rid of the bloat. I don't mind it checked everything else out, maybe even a good thing. The flash worked fine with the edits I made. Thanks.

Also, there's an app "Online Nandroid Backup" that works sweet, no need to go into recovery or use WUG's toolkit from the pc.
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Old October 11th, 2012, 06:00 PM   #19 (permalink)
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Quick question: is it cwm flashable?
Thanks

Edit: just noticed i dont have cwm, but the costum recovery that wug's toolkit provieds.
anyway, my question is: can i flash it from the device? I dont have access to a pc really.
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Old October 11th, 2012, 06:46 PM   #20 (permalink)
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Yes, you can flash it from twrp or cwm. I'd suggest staying with twrp
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Old October 12th, 2012, 02:52 AM   #21 (permalink)
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Quote:
Originally Posted by Rxpert83 View Post
Yes, you can flash it from twrp or cwm. I'd suggest staying with twrp

Cool, but if i remember correctly, i will lose root.
Is there a way to root from device? Next time ill have access to a pc could be monday..
will flashing it put stock recovery back?
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Old October 12th, 2012, 07:33 AM   #22 (permalink)
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Mine was rooted and didnt have a custom ROM.
It got the update OTA.
Now that I have to re-root.
Does rooting erase the data?? I dont remember since I rooted long time ago.
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Old October 12th, 2012, 08:30 AM   #23 (permalink)
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Quote:
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Mine was rooted and didnt have a custom ROM.
It got the update OTA.
Now that I have to re-root.
Does rooting erase the data?? I dont remember since I rooted long time ago.
No. Unlocking the bootloader is what wipes data. If I were you I'd download wugs nexus root toolkit and have it automatically root and put on a custom recovery
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Old October 12th, 2012, 11:44 AM   #24 (permalink)
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I followed this guide and the update failed. Went to reboot my device and it gets stuck at the Google logo. I can't even get into recovery. I think I'm perma bricked....
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Old October 12th, 2012, 11:58 AM   #25 (permalink)
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Quote:
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I followed this guide and the update failed. Went to reboot my device and it gets stuck at the Google logo. I can't even get into recovery. I think I'm perma bricked....
Which file did you flash? Did the flash fail in recovery or did it go through?

If its my file I'm going to take it down
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Old October 12th, 2012, 12:12 PM   #26 (permalink)
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Flashed your file and it failed in recovery.
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Old October 12th, 2012, 12:18 PM   #27 (permalink)
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Any idea on how to unbrick?
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Old October 12th, 2012, 01:00 PM   #28 (permalink)
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Any idea on how to unbrick?
Do you know what the error code was? Sounds like a potential bad download to me. Its the same file I used to successfully update after the official one failed to flash multiple times.

Either way, I'm going to pull the file for now.

You cannot manually boot to recovery?
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Old October 12th, 2012, 01:12 PM   #29 (permalink)
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I manually boot to the recovery and it just goes to the google splash screen.
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Old October 12th, 2012, 01:39 PM   #30 (permalink)
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Quote:
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I manually boot to the recovery and it just goes to the google splash screen.
Use wugs nexus root toolkit. There'd an option to restore to default for a nonbooting device
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Old October 12th, 2012, 01:51 PM   #31 (permalink)
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Quote:
Originally Posted by Rxpert83 View Post
Use wugs nexus root toolkit. There'd an option to restore to default for a nonbooting device
wish i could, im on a mac.... im currently trying fastboot. its taking forever.
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Old October 12th, 2012, 02:51 PM   #32 (permalink)
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Quote:
Originally Posted by Rxpert83 View Post
Do you know what the error code was? Sounds like a potential bad download to me. Its the same file I used to successfully update after the official one failed to flash multiple times.

Either way, I'm going to pull the file for now.

You cannot manually boot to recovery?
Your file is perfectly fine! I didn't have time to comment yet, but I used it today after 4 failed OTAs.
Long story short, don't move downloaded updates to system apps to your /system if you want to get updates.

But anyway, thanks for your check-disabled update!
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Old October 12th, 2012, 05:00 PM   #33 (permalink)
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Quote:
Originally Posted by Teknologic View Post
Your file is perfectly fine! I didn't have time to comment yet, but I used it today after 4 failed OTAs.
Long story short, don't move downloaded updates to system apps to your /system if you want to get updates.

But anyway, thanks for your check-disabled update!
Thank you for letting me know it worked just fine. That leads me to believe it wasn't my file.

I took it down for now, if anyone else needs it they can PM me.
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Old October 12th, 2012, 05:04 PM   #34 (permalink)
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I was rooted and unlocked and got and accepted the OTA. Everything went smoothly (even with TWRP) but now I have to wait to get home to re-root
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Old October 12th, 2012, 06:32 PM   #35 (permalink)
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Just got the update. I was rooted, used ota rootkeeper, and now rooted again with a single click. Everything has worked like a charm. So far.
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Old October 12th, 2012, 07:13 PM   #36 (permalink)
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I think the file might have corrupted during the download. The same thing happened to the restore fast boot files I had to use a different computer.
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Old October 12th, 2012, 11:34 PM   #37 (permalink)
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Quote:
Originally Posted by rootbrain View Post
I have custom recovery (CWM) and SuperSU so I manually updated (thanks Rx!) after doing fresh Titanium and Nandroid backups and putting SuperSU in survival mode. I'm using Motleys kernel, still showing in the about screen for that, but going to re-flash it again anyway.

But all is well in Nexus land. Got my LAMP server running with a Drupal website and my own email server to service registration requests. Only thing left is to find a VPN host that will allow static IP's so I can domain this thing, set up DNS and Google Bots. But going to see if I can do it through tether to my HTC rezound 1st, then VPN host as next alternative.
Yeah, what he said...
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Old October 13th, 2012, 03:28 PM   #38 (permalink)
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Hello, I got the update notice on my Nexus 7, but when I try updating it, it says 'Verification failed' on the page. Any help?

Nvm, ignore the top. I tried checking for the update and it downloads and verification is checked. Once it restarts, it gets to clockworkmod recovery screen and asks if I want to install an untrusted zip package. I select yes, but it gives me this error.


Verifying update package...
E: failed to verify whole-file signature
E:signature verification failed
Installing update...
'Verifying current system...
assert failed : apply_patch_check("/system/app/ApplicationsProvider.apk", "8e6fdbdccd36aaba300ce12cbd454591969995d3", "293b260e0b4968cce4f15310e835c65cd2497347")
E: Error in /catch/03a4eaf95f73.signed-nakasi-JZO54K-from-JRO03D.03a4eaf9.zip
(Status 7)
Installation aborted.
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Old October 13th, 2012, 06:00 PM   #39 (permalink)
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File added back for others to use since it seems like a download error

Quote:
Originally Posted by Namtaro View Post
Hello, I got the update notice on my Nexus 7, but when I try updating it, it says 'Verification failed' on the page. Any help?

Nvm, ignore the top. I tried checking for the update and it downloads and verification is checked. Once it restarts, it gets to clockworkmod recovery screen and asks if I want to install an untrusted zip package. I select yes, but it gives me this error.


Verifying update package...
E: failed to verify whole-file signature
E:signature verification failed
Installing update...
'Verifying current system...
assert failed : apply_patch_check("/system/app/ApplicationsProvider.apk", "8e6fdbdccd36aaba300ce12cbd454591969995d3", "293b260e0b4968cce4f15310e835c65cd2497347")
E: Error in /catch/03a4eaf95f73.signed-nakasi-JZO54K-from-JRO03D.03a4eaf9.zip
(Status 7)
Installation aborted.
Post moved to ATR section for solution
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Old October 15th, 2012, 01:07 PM   #40 (permalink)
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Its a minor update other than auto rotate I don`t see the benefit.
It prompted me to update today. Is it OK just not to update till key lime pie comes out?
The ota will break root. Will it break root to do it through twrp as well? Want to weigh the pros and cons of doing it.
I cleared the prompt from the drop down ota. If I still want to update it later how do I get it back?
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Old October 15th, 2012, 01:20 PM   #41 (permalink)
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Android 4.2 is still jellybean, so key lime pie is still far away.

It will break root no matter how you do it. The good thing is it only takes a minute to reroot
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Old October 15th, 2012, 02:52 PM   #42 (permalink)
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So is this update really worth doing in other words?
I already have rotate app installed. It keeps prompting me to do it.
I'm rooted with twrp. Should I do the ota update and reroot or should I flash through twrp.
Or better yet not do it at all? Will it overwrite twrp?
If I enable root keeper in supersu do I still need to flash the file manually with twrp because if I use the ota it will rewrite stock recovery?


Please help. your zip file failed the md5 checksum
So I didnt flash it. And one guy bricked his device with it.

Should I just enable root keeper in super su and do ota?

The annoying update prompt keeps coming up. Will the ota work correctly if I have twrp installed?
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Old October 15th, 2012, 09:00 PM   #43 (permalink)
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Originally Posted by Modman View Post
So is this update really worth doing in other words?
I already have rotate app installed. It keeps prompting me to do it.
I'm rooted with twrp. Should I do the ota update and reroot or should I flash through twrp.
Or better yet not do it at all? Will it overwrite twrp?
If I enable root keeper in supersu do I still need to flash the file manually with twrp because if I use the ota it will rewrite stock recovery?


Please help. your zip file failed the md5 checksum
So I didnt flash it. And one guy bricked his device with it.

Should I just enable root keeper in super su and do ota?

The annoying update prompt keeps coming up. Will the ota work correctly if I have twrp installed?

Failing md5 checksum means bad download.

The md5 for that download is C2C87DB0EE10D73BFCE850847159161F
if that doesnt match, redownload.

The OTA will fail if you have uninstalled any system files. It will also unroot you and overwrite your custom recovery usually.
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Old October 16th, 2012, 05:29 AM   #44 (permalink)
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Updated this morning. All I noticed was the ability to use the actual JB interface in landscape mode.

Also, is anyone else having troubles with stickmount now? It won't mount anything for me since updating. It recognizes the device when I plug it in and asks me what I want to do, but I hit 'mount' and it comes up "Active mounts: none". Tried 4 different flash drives and one NTFS portable HDD, all of which worked previously and I can't get any of them to work now.
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Old October 16th, 2012, 05:57 AM   #45 (permalink)
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Hey guys, I was prompted this morning and updated without thinking about it breaking root. I've tried using the nexus root toolkit to restore root but it won't do anything. It gets to 'Checking fast boot status' and then fails, even though the drivers are still configured correctly since last time I rooted. I tried reinstalling the drivers and I got the same issue.

Advice please?
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Old October 16th, 2012, 06:45 AM   #46 (permalink)
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Can you post a link to the file again?
Rerooting sucks but might have no choice if I can't get the update prompt to go away. Is there anyway to disable the prompting and not do the update? I might keep this version till kelp if possible. But if the prompting doesn't stop I might have to update.
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Old October 16th, 2012, 06:47 AM   #47 (permalink)
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Can you post a link to the file again?
Might have to do it and reroot.
Or can I just disable the ota prompt to update?
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Old October 16th, 2012, 06:51 AM   #48 (permalink)
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Can you post a link to the file again?

Is there a way to just disable the ota prompt and not update?
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Old October 16th, 2012, 08:25 AM   #49 (permalink)
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Quote:
Originally Posted by sleezecheeze View Post
Hey guys, I was prompted this morning and updated without thinking about it breaking root. I've tried using the nexus root toolkit to restore root but it won't do anything. It gets to 'Checking fast boot status' and then fails, even though the drivers are still configured correctly since last time I rooted. I tried reinstalling the drivers and I got the same issue.

Advice please?
Try starting with the device already in fastboot.
also make sure USB debugging is on




Quote:
Originally Posted by Modman View Post
Can you post a link to the file again?
Rerooting sucks but might have no choice if I can't get the update prompt to go away. Is there anyway to disable the prompting and not do the update? I might keep this version till kelp if possible. But if the prompting doesn't stop I might have to update.
Link is in the op.

Rerooting honestly takes 1 minute. This is a nexus
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Old October 16th, 2012, 08:26 AM   #50 (permalink)
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Stickmount works here. Try a simple cache wipe?
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