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[HOW TO] Update to 2.3.6 OTA Preserving Root Access! Working!! And Tested!

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By Michael443, Junior Member on 2nd February 2012, 09:39 PM
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Hello guys! the instructions are very easy if you do the steps correctly.
This is my first post in the development section.

First, go to market and download OTA Rootkeeper

Second, open the app, Select Create SU Backup.

Third, Select Temp UnRoot(with backup)

Fourth, uninstall Superuser, if you have superuser elite uninstall it also! and uninstall OTA Rootkeeper(dont worry it will not delete UR Backup!)

Fifth, Download and install the OTA.

After it is done and reboot, do a power cycle.

and the last step, go to market, install superuser and ota rootkeeper.

Launch OTA Rootkeeper and Select RestoreRoot, accept the superuser permission, and reboot!

AND ur back with rooted 2.3.6!

Michael


Alternate method! This is Jim's method(Thanks jim for this other way)

To do the 4ever root hack do the following:

1) open root explorer or ew file manager etc...

go to /system/bin

find the file named mount_ext3.sh
touch and hold the file name until the menu appears, go to open in text editor.

Add the following line to the VERY bottom of the file, after the fi

chmod 4755 /system/bin/su
chmod 4755 /system/xbin/su
chmod 644 /system/app/Superuser.apk

2) SAVE!!!! the file.
3) Do the OTA update.
4) You should still have root after the update, now.

Jim

Enjoy, Hope this helps!
Last edited by Michael443; 3rd February 2012 at 11:22 PM. Reason: Adding alternate method
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2nd February 2012, 09:52 PM |#2  
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I missed step 3 and 4 this is why it did not work for me
2nd February 2012, 09:57 PM |#3  
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Does this work if coming from SuperCharged V4, or only if coming from stock 2.3.5?

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2nd February 2012, 10:03 PM |#4  
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Quote:
Originally Posted by Zoide_

Does this work if coming from SuperCharged V4, or only if coming from stock 2.3.5?

Thanks

I don't know but as soon as I get home I'm going to check and see... Just got another A2 today, its going to be a good lil Guinea Pig... (insert evil grin here)

Sent from my MB865 using XDA App
2nd February 2012, 10:06 PM |#5  
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The easier way to do this, is just do the 4ever root that was done for the bionic.

Just add these lines to the bottom of the /system/bin/mount_ext3.sh files with the text editor in root explorer, or through adb.

chmod 4755 /system/bin/su
chmod 644 /system/app/Superuser.apk

Do that BEFORE the OTA update, and you will not have any issues with OTAs ever again and loosing root. but if you did not do the update maually, and you used the one-click you might need to add the following line as well....

chmod 4755 /system/xbin/su


Jim
Last edited by jimbridgman; 3rd February 2012 at 05:24 PM.
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2nd February 2012, 10:09 PM |#6  
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Quote:
Originally Posted by Zoide_

Does this work if coming from SuperCharged V4, or only if coming from stock 2.3.5?

Thanks

cant tell you, i didnt had a custom rom on it while i tried but if i am correct the update will work with stock only. wait till Iggis Pop do the test before attempting.
2nd February 2012, 10:10 PM |#7  
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I just used OTA Rootkeeper normally and it worked fine for me. Backed up root, temp un-rooted, downloaded and applied the update, then restored root from OTA Rootkeeper after the update finished. I have root back just fine...

Did this not work for others?
2nd February 2012, 10:12 PM |#8  
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I must of did something wrong because this did not work for me. I followed the steps to a T and it didn't take.

Sent from my MB865 using xda premium
2nd February 2012, 10:16 PM |#9  
Michael443's Avatar
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Quote:
Originally Posted by jimbridgman

The easier way to do this, is just do the 4ever root that was done for the bionic.

Just add these lines to the bottom of the /system/bin/mount_ext3.sh files with the text editor in root explorer, or through adb.

chmod 4755 /system/bin/su
chmod 444 /system/app/Superuser.apk

Do that BEFORE the OTA update, and you will not have any issues with OTAs ever again and loosing root.

Jim

be carefull, the update brings a new security environment and new security patches that google just released. the update over writes parts of the system data. the safest way that i tested is this method. be careful with ever root
2nd February 2012, 10:16 PM |#10  
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Quote:
Originally Posted by jimbridgman

The easier way to do this, is just do the 4ever root that was done for the bionic.

Just add these lines to the bottom of the /system/bin/mount_ext3.sh files with the text editor in root explorer, or through adb.

chmod 4755 /system/bin/su
chmod 444 /system/app/Superuser.apk

Do that BEFORE the OTA update, and you will not have any issues with OTAs ever again and loosing root.

Jim

Jim,

I have a question about running a Deodexed rom. Will I have a problem upgrading or do I have to SBF back to stock? I also have the 1 percent mod that I love. How can I keep this. My understanding is this only works for deodexed roms.
2nd February 2012, 10:18 PM |#11  
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Quote:
Originally Posted by tmease1

I must of did something wrong because this did not work for me. I followed the steps to a T and it didn't take.

Sent from my MB865 using xda premium

can you tell me step by step what ou did so i can help you!

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