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Root How to MANUALLY re-root after an OTA update

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#28
Congrats, you now how your custom recovery back. Reboot into it

5) Flash SU files
In recovery, flash the 3 SU files you've downloaded earlier.
To do this, select install, then navigate to where you placed the 3 files. Select the first file, then hit add more files to que, then add the 2nd and 3rd in the same manner. Then swipe to flash. after the install finishes, its a good idea to do the wipe dalvik cache and cache option, and then reboot into system
Click to expand...

how do i flash the su files in this recovery mode? do i save the three files on my pc or on my tablet? where is this install feature?

Then swipe to flash. how?
 
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#29
yashi said:
how do i flash the su files in this recovery mode? do i save the three files on my pc or on my tablet? where is this install feature?

Then swipe to flash. how?
Click to expand...

You want to save the zip files on the tablet and remember where they are. The easiest place is in the top (root) directory of the sd. Once they're saved, boot up into your custom recovery. If you're using CWM, install is called install files from sd. If using TWRP, it's just called install.
 
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#36
Here's a question. I was rooted, kept OTA Rootkeeper so I could be safe. After the update the OTA Rootkeeper didn't work. I factory restored everything. I want to re-root manually, but I just want root, not the TWRP recovery, can I do that?

The only thing I'm using root for now is a few apps that require root to change parts of the launcher.... "remove time in notifications" etc...
 
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#38
Correct. OTA Rootkeeper is no longer useful but it isn't strictly true to say that you need to manually re-root after updating to 4.3 and losing root.

The Wugs toolkit now works with all Nexus devices and versions - including 4.3 - so the device can be re-rooted automatically by just re-running the toolkit after the OTA.

PS: I know this thread is about manually re-rooting but I just wanted to emphasise that this is not essential, especially for those who may not need/want to install a custom recovery.
 
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#39
John Bean said:
Correct. OTA Rootkeeper is no longer useful but it isn't strictly true to say that you need to manually re-root after updating to 4.3 and losing root.

The Wugs toolkit now works with all Nexus devices and versions - including 4.3 - so the device can be re-rooted automatically by just re-running the toolkit after the OTA.

PS: I know this thread is about manually re-rooting but I just wanted to emphasise that this is not essential, especially for those who may not need/want to install a custom recovery.
Click to expand...

See, I didn't know that as I don't use Wugs (for that matter, I don't really use Windows either)
 
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#42
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#45
Hook said:
One more probably dumb question, but I hate making assumptions. Seems to me that this is intended as a general recipe-- that I could also use this procedure on my Nexus 4 as well, making sure I had the right version of TWRP. Is that correct or is there more to it?
Click to expand...

Yep! For Nexus devices, if you've got an unlocked bootloader, the general process for rooting your device would be this:

- acquire any adb / fastboot USB drivers you might need
- download (and verify!) the custom recovery you'd like to use
- download (and verify!) the appropriate flashable su.zip (root binaries) package
- put your device in fastboot / bootloader mode
- invoke the custom recovery
- flash the su.zip file to root your device
- enjoy the fruits of your labors ;) :)

Also, I don't think I saw this mentioned anywhere above, but you can also soft-boot a custom recovery without actually flashing it (i.e., replacing the current (probably stock) recovery. This is done via the "fastboot boot <bootable.img>" syntax.

So, in place of this (from the first post):

fastboot flash recovery recovery.img
Click to expand...

you would use this:

fastboot boot recovery.img
Click to expand...

and you'll have all the benefits of running the specified custom recovery without actually needing to flash it (i.e., your current recovery will remain intact).

Note that you don't have to specify the "recovery" portion of the command like you do in the "fastboot flash" syntax because "fastboot boot" is simply loading-up and executing whatever bootable image you have supplied--it just happens to be a bootable custom recovery vs. a full bootable Android image.

Cheers!
 
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#46
Okay, that was interesting. Got everything set up ready to go, shut don the tablet so I could boot it into fastboot mode and it won't turn on at all. Completely lifeless. Not even a battery graphic when plugged in. I didn't do anything to the tablet yet. :D

Still under warranty so, I guess it is going to Google or ASUS before I ever get a chance to root it. Glad it happened before I did anything... :rolleyes:

EDIT: Did the force reset with the pin hole and it booted up fine, but I'm going to watch it a few days and save this adventure for the week-end. ;)
 
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#48
Haven't done the rooting yet, may tonight, but did discover something curious about both how I may have momentarily bricked my N7 and about how my N7 boots into the bootloader/fastboot.

Almost everywhere, including this thread, I am told to do it by holding down power+vol up+vol down. When I tried that again last night, it did exactly the same thing it had the night before. The N7 turned off and would not come back on again. It didn't reboot no matter how long I held the buttons.

I did some googling and finally found a couple of sources out of hundreds of others that said booting into the bootloader/fastboot required holding power + vol down. No volume up. When I did that, the N7 came back to life and went right to the bootloader. I rebooted and tried this different combo and it worked perfectly.

Given how many sources list the other key pattern, is there some minority of N7's that, for some odd reason, are different? Is this a Tilapia vs Grouper thing? And I wonder why using the three key press renders the N7 unresponsive. :thinking:

Mostly FYI, but if anyone has a clue about this, I'm curious.
 
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#49
Hook said:
Haven't done the rooting yet, may tonight, but did discover something curious about both how I may have momentarily bricked my N7 and about how my N7 boots into the bootloader/fastboot.

Almost everywhere, including this thread, I am told to do it by holding down power+vol up+vol down. When I tried that again last night, it did exactly the same thing it had the night before. The N7 turned off and would not come back on again. It didn't reboot no matter how long I held the buttons.

I did some googling and finally found a couple of sources out of hundreds of others that said booting into the bootloader/fastboot required holding power + vol down. No volume up. When I did that, the N7 came back to life and went right to the bootloader. I rebooted and tried this different combo and it worked perfectly.

Given how many sources list the other key pattern, is there some minority of N7's that, for some odd reason, are different? Is this a Tilapia vs Grouper thing? And I wonder why using the three key press renders the N7 unresponsive. :thinking:

Mostly FYI, but if anyone has a clue about this, I'm curious.
Click to expand...

Hmm, that is very interesting, Hook--thank you for bringing this up.

I, myself, haven't given much thought to remembering how to boot-up the N7 in fastboot/bootloader mode in a long while...but I know that the Samsung Galaxy Nexus uses the power+volUP+volDOWN key sequence to get there, but I'm guessing the N7 only really takes the power+volDOWN key sequence.

It looks like the power+volUP will take you into "APX mode" and I'm wondering if that's where you're actually going when you also use the volDOWN key with that sequence. FYI, I don't know what "APX mode" is (LOL)--first I've ever heard of it, but our esteemed bftb0 over at XDA (aka erisuser1 here at AF documents things very nicely here: http://forum.xda-developers.com/showthread.php?p=37606945:

Starting from Device OFF Condition:

Power (2-3 seconds) -> Normal OS Boot**
Vol-Up + Power (1-3 seconds) -> APX Mode
Vol-Down + Power (6-8 seconds) -> Bootloader/fastboot Mode (keep both buttons pressed until you see the droid lying on his back).
Click to expand...

Interesting stuff...I'll have to research the APX thing a bit more (sounds like the equivalent of Odin mode on Samsung, maybe? :dontknow:).

Hope that helps! :)
 
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#50
I think it's based on bootloader version. I got caught in a bootloop last night and had to use the button combo to get in. I'm still on the 4.1.2 bootloader and I needed to hold all 3. :thinking:

BTW, APX mode is for NVFlash I believe, not that I think we have a working version on this tablet. I know some developers have tried to get it to work, but have been unsuccessful. If we had that working, this tablet would literally be unbrickable.
 
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