Root my Z Ultra GPe

Sab3elbromba · Jul 8, 2014

I have a Z Ultra GPe running 4.4.4 stock everything never wanted to root until the latest 4.4.4 OTA due to the low speaker volume, I can barely hear the phone ring anymore, I see there is a volume fix but that requires root and that's what I want to do; root.

As far as I understand and please correct me if I'm wrong, there are two ways to root :
1. Unlock bootloader, install dual recovery, change kernel, root.
2. Use towelroot apk to root the phone without modifying bootloader, recovery or kernel

I have seen that many people are facing camera problems when using method 1 due to unlocking the bootloader in addition to not receiving OTA updates after using method 1 (can't wait for Android L OTA)
If I root using method 2 will I avoid facing any camera problems and still receive OTA updates?

If there is another method I don't know about to fix the low volume issue or root my GPe please let me know, most important thing is that my camera is not affected and I continue to receive OTA updates.

Sent from my C6806_GPe using XDA Premium 4 mobile app

blueether · Jul 8, 2014

Method 2 is the best way now that we have a root exploit. It wont modify the kernel/boot loader etc so should allow OTAs. As this is not unlocking the BL it shouldn't effect the camera (it is only 4.4.4 that this happened on), and you can back up the TA if you do ever want to unlock the BL. I would do a backup of the TA anyway as it will give you an easy root method should there not be one available on 5.0

in short: should work

Sab3elbromba · Jul 8, 2014

Can you please elaborate, I don't know what TA is and why or how to back it up?!

Sent from my C6806_GPe using XDA Premium 4 mobile app

blueether · Jul 8, 2014

vivalamoza said:
Can you please elaborate, I don't know what TA is and why or how to back it up?!

Sent from my C6806_GPe using XDA Premium 4 mobile app

TA - Trim Area, It is where the DRM keys and other things are kept. It looks like this is what is breaking the camera in 4.4.4 with an unlocked BL. If you back up the TA you can restore it and thus relock the bootloader. There is a tool called TA backup linked in one of the stickies in the general section.

If in the future you cant get root to do a TA backup it would be handy to already have one. Then you can unlock the BL, flash supersu, restore TA and have a rooted phone with locked BL (and intact DRM keys)

Sab3elbromba · Jul 9, 2014

Thanks, will back up TA and root using towelroot

Sent from my C6806_GPe using XDA Premium 4 mobile app

Sab3elbromba · Jul 9, 2014

blueether said:
TA - Trim Area, It is where the DRM keys and other things are kept. It looks like this is what is breaking the camera in 4.4.4 with an unlocked BL. If you back up the TA you can restore it and thus relock the bootloader. There is a tool called TA backup linked in one of the stickies in the general section.

If in the future you cant get root to do a TA backup it would be handy to already have one. Then you can unlock the BL, flash supersu, restore TA and have a rooted phone with locked BL (and intact DRM keys)

Sorry this may seem like a stupid question but I want to understand how this works;
If I root my device using the Towelroot exploit and my bootloader is locked and recovery and kernel are stock, will my TA or DRM keys be affected!?
I surely will backup my TA like you advised but I just wanna make sure I understand how it works as I am coming from a Samsung and HTC background so this is all new to me.

Sab3elbromba · Jul 9, 2014

and one last question please (sorry for asking so many questions)

Do I root first then backup, or do I backup then root?

blueether · Jul 9, 2014

vivalamoza said:
Sorry this may seem like a stupid question but I want to understand how this works;
If I root my device using the Towelroot exploit and my bootloader is locked and recovery and kernel are stock, will my TA or DRM keys be affected!?
I surely will backup my TA like you advised but I just wanna make sure I understand how it works as I am coming from a Samsung and HTC background so this is all new to me.

vivalamoza said:
and one last question please (sorry for asking so many questions)

Do I root first then backup, or do I backup then root?

You have it right, your TA (hence DRM keys) won't be affected by the root process.

Root then back up the TA partition. You need root to pull the disk image off the phone, that's why GPe users that unlocked/rooted before towelroot are in the position with a buggered camera that seems to be looking for DRM keys.

Sab3elbromba · Jul 9, 2014

Thnx again!

Pallavgarg10 · Jul 9, 2014

This is a bit off topic but will we get an android L update at all now that the z ultra gpe has been pulled from the play store
People are saying that it has reached End of Life!!!!!!!!!!!!!!!!!!!!!!!

maxld · Jul 9, 2014

Pallavgarg10 said:
This is a bit off topic but will we get an android L update at all now that the z ultra gpe has been pulled from the play store
People are saying that it has reached End of Life!!!!!!!!!!!!!!!!!!!!!!!

We do not have many fortune tellers here. We should get it, but nothing is sure.

adfurgerson · Jul 9, 2014

Pallavgarg10 said:
This is a bit off topic but will we get an android L update at all now that the z ultra gpe has been pulled from the play store
People are saying that it has reached End of Life!!!!!!!!!!!!!!!!!!!!!!!

Z Ultra Gpe released on Dec 13 2013. According to Google Gpe devices "traditionally" are updated for "about" 18 months. There is speculation that Gpe program may be winding down in favor of the "Silver" program. I would expect to see it updated to L but there are no guarantees.

blueether · Jul 9, 2014

google would be hurting their brand if they pulled updates after only 8 months. Would you buy another google branded phone if they did that, be it GPe or Silver? This is why I cant see them not supporting well in to L

Sab3elbromba · Jul 10, 2014

Agree with blueether, Google will probably update the ZU GPE to Android L, but that may be the end of the updates we get

Sent from my C6806_GPe using XDA Premium 4 mobile app

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Root my Z Ultra GPe

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