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[APP][2013-03-09][root][N4] BootUnlocker for Nexus Devices -- version 1.3.1

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By segv11, Senior Member on 24th December 2012, 07:50 AM
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This is cross-posted from the the Galaxy Nexus forum, where the app got started. The app supports Galaxy Nexus, Nexus 4, and Nexus 10, and we are working on other Nexus devices. You can ask questions either there or here, but all active research is taking place on the original thread.

This application REQUIRES a Galaxy Nexus (maguro, toro or toroplus), Nexus 4 (mako), or Nexus 10 (manta), with root.


You've rooted your Galaxy Nexus, Nexus 4, or Nexus 10, and you are trying to decide between the security of relocking your bootloader (with stock recovery and USB Debugging off), and the flexibility of leaving it unlocked.

You know that in order to prevent an unauthorized user from accessing your data by flashing a custom recovery, "fastboot oem unlock" wipes your data. This also means that if you relock your bootloader, you will need to do a full backup-and-restore whenever you decide to unlock it again.

BootUnlocker for Nexus Devices lets you have the best of both worlds by using root privileges to unlock your bootloader from within Android, without wiping your data. This allows you to keep your bootloader locked for security, with this application safely protected behind your lockscreen password. Whenever you want to unlock or relock your bootloader, just unlock your screen and run BootUnlocker.




License
BootUnlocker for Nexus Devices is Open Source Software, licensed under the Apache License, Version 2.0:
http://www.apache.org/licenses/LICENSE-2.0.html.
You can redistribute, reuse, or modify this software as permitted under this license.

Source code is maintained on Google Code, along current and previous versions of the complied application:
https://code.google.com/p/boot-unlocker-gnex/

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

For support, please leave a comment on this thread, or open an issue on the Google Code project page.

Downloads

Original Thread: http://forum.xda-developers.com/show....php?t=1731993
How it Works: http://forum.xda-developers.com/show...88&postcount=2
Changelog: http://forum.xda-developers.com/show...06&postcount=3
Last edited by segv11; 10th March 2013 at 06:00 AM.
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24th December 2012, 07:50 AM |#2  
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24th December 2012, 07:51 AM |#3  
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24th December 2012, 07:59 AM |#4  
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Just saw the update on my gnex. Glad it supports n4 already. Downloading on my n4 now. Great work!

Edit: confirmed working.

Sent from my Nexus 4 using Tapatalk 2
Last edited by thephantom; 24th December 2012 at 08:04 AM.
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24th December 2012, 12:27 PM |#5  
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I'm really glad you've brought this over to the Nexus 4. This is an excellent contribution to the community.
25th December 2012, 05:14 PM |#6  
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I have a small doubt and i hope you don't mind clearing it. I just got my N4 and i was considering rooting it, my doubt is that once i unlock the boot loader can i relock it? On my old htc explorer it was possible to re lock but it showed the status as re locked instead of locked hence voiding the warranty. Can i relock it and get my warranty back again? Sorry for a probably noobish question.
25th December 2012, 05:31 PM |#7  
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Quote:
Originally Posted by karanrajpal14

I have a small doubt and i hope you don't mind clearing it. I just got my N4 and i was considering rooting it, my doubt is that once i unlock the boot loader can i relock it? On my old htc explorer it was possible to re lock but it showed the status as re locked instead of locked hence voiding the warranty. Can i relock it and get my warranty back again? Sorry for a probably noobish question.

It won't show as re locked. It'll be simply 'locked' whether you use the app or manually do it via terminal

Sent from my Nexus 4 using Tapatalk 2
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25th December 2012, 05:49 PM |#8  
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Thanks. So it's safe to root it then? Won't cause any problems with my warranty right?

Sent from my Nexus 4 using xda premium
25th December 2012, 11:57 PM |#9  
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Quote:
Originally Posted by karanrajpal14

Thanks. So it's safe to root it then? Won't cause any problems with my warranty right?

Sent from my Nexus 4 using xda premium

If it's a question on being safe, I'm pretty sure most people with sense will always say "do it at your own risk" because we are concerned about your warranty. Nexus devices are the easiest to bootloader unlocked and root and flash and viceversa but the user still has to take responsibility.

Sent from my Nexus 7 using Tapatalk 2
26th December 2012, 01:16 PM |#10  
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That's fine. I'll do it at my own risk! Only thing I was worried about was the warranty. Now that you say it can be locked again I don't have any problem! Thanks!

Sent from my Nexus 4 using xda premium
10th January 2013, 06:02 AM |#11  
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thanks for this. maybe put a a disclaimer like the one said in this link http://forum.xda-developers.com/show....php?t=1898664
Quote:

advantages:
- doesn't require encryption (for those who do not wish to use it).

Disadvantages:
- relies on third-party apps.
- method will not work if you lose root access for whatever reason.
- method will not work when you cannot boot into Android for whatever reason.

i am quite new to this area so my question is, once I have relocked the bootloader, does the stock recovery allows for nandroid backup etc? and since in the worst case scenario that i am not able to boot, i have no other alternative other than doing a fastboot oem unlock?

thanks for your time!
Last edited by azrash; 10th January 2013 at 06:09 AM.

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