Database Users

Reverting Back to Stock

I'm on ken's Gingerbread ROM currently and would simply like to take the phone back to 100% stock (sans rooting). I've read and read everywhere about the risks of hard-bricking it if you go back to stock the wrong way. Ok, I understand that part, but how do you go about it the right way so it doesn't get bricked?
I like some aspects of using a custom ROM, but I hate the fact they're unstable no matter what. Every time my phone looses the signal cause of a bad spot inside a building, it stays that way until I manually either restart it or go in flight mode and out. You can just imagine how often that happens on a given day without me noticing it and how no can can get a hold of me except via Viber if I have a Wifi signal.
Help.

You didn't back up your image before flashing a new rom?
I voided my warranty.

No, sadly I didn't.

Download ronaldo_9 r-9 rom v5. Its stable and stock. Has a few enhancements. I've hardly had any problems with it.
I voided my warranty.

Trying it out, so far so good. Had to re-flash with stock fonts, didn't care for the ones included in the ROM.

You could fruit cake back to stock if you want true moto stock.
DK

DeathKoil said:
You could fruit cake back to stock if you want true moto stock.
DK
Click to expand...
Click to collapse
I don't believe that will relock the bootloader to stock.
FYI, fruit caking back will not be enough to send the phone back for warranty repair.

rush_ad said:
I don't believe that will relock the bootloader to stock.
Click to expand...
Click to collapse
You cannot relock the bootloader once you have unlocked it. It's a hardware lock. Once unlocked, always unlocked!

Is it possible to flash the recovery partition to remove Android Recovery (CWM)? I cannot find a stock image anywhere. Flashing an SBF removes CWM but the option still exists in the boot menu. I know this will not re-lock the BL but I am trying to get the recovery partition back to stock.

kwchristensen said:
Is it possible to flash the recovery partition to remove Android Recovery (CWM)? I cannot find a stock image anywhere. Flashing an SBF removes CWM but the option still exists in the boot menu. I know this will not re-lock the BL but I am trying to get the recovery partition back to stock.
Click to expand...
Click to collapse
I started my out-of-the-box Atrix and "Android Recovery" was in the boot menu. I was under the impression this option was added by CWM but that is not correct. Flashing the stock SBF (1FF-olympus-user-2.3.4-4.5.91-110625-release-keys-signed-ATT-US-GAS_NA_OLPSGBATTSPE_P011.sbf since I was on GB) did take the boot menu back to stock and well as relock the bootloader - or at least removed "UNLOCKED" from the menu. I did not check if the BL was actually still locked or not. The BL is probably still unlocked but when the phone boots it appears to be stock.

kwchristensen said:
I started my out-of-the-box Atrix and "Android Recovery" was in the boot menu. I was under the impression this option was added by CWM but that is not correct. Flashing the stock SBF (1FF-olympus-user-2.3.4-4.5.91-110625-release-keys-signed-ATT-US-GAS_NA_OLPSGBATTSPE_P011.sbf since I was on GB) did take the boot menu back to stock and well as relock the bootloader - or at least removed "UNLOCKED" from the menu. I did not check if the BL was actually still locked or not. The BL is probably still unlocked but when the phone boots it appears to be stock.
Click to expand...
Click to collapse
Your bootloader is still unlocked. You have just removed the word "unlocked" from the boot logo screen.

Nexus 7 Suddenly Dead Touch Screen

Hi! I was using my N7 3G reading the news and suddenly it became unresponsive. It took about 2 seconds to recognize my touch. So i decided to turn it off and turn it back on. But after it turned back on the touch screen is completely dead. I can't even unlock it. Power and volume buttons still work. I'm on CM 10.1.3
I even forced reboot it many times by holding the power button for about 20s but that didn't help. Anyone ever had this issue too? It seems like a hardware problem. If that's the case i would have it repaired by ASUS but I'm afraid that I won't get warranty because I'm not on stock ROM+rooted+unlocked bootloader

Can you get into recovery? If so, try wiping the cache partition first to see if that helps.
If that doesn't help, do you have usb debugging enabled? If so,
should be able to use the Nexus 7 toolkit. Just boot your tablet, plug it in your machine, fire up the Nexus 7 toolkit and have it unroot and relock your BL.
You might also want to try and see if you can backup your data partition and your internal storage with the N7 toolkit. If you can do that, then you won't lose any of your data or application settings.
You should also be able to flash it back to stock as well via the toolkit and have it erase the user data.
If usb debugging is NOT enabled, then you might be hosed. You could at least do a factory reset in the main recovery.
Other than that, not much else can probably be done unless you want to open your tablet yourself and ensure all the connections are tight. There might be a lose connection for the digitizer and that's all you would need to do to fix it. Of course, that voids your warranty if you open it yourself. I don't know exactly where the hook up is. I'm sure a quick Google will tell you how to fix this if it's possible.
It definitely sounds like either your digitizer is bad or it's got a lose connection.
Good luck!
Sent from my Nexus 7 using Tapatalk 4

thanks for your help. I was going to plug it in my PC BUT IT'S WORKING AGAIN. I was like WTF lol :laugh: . So it must be a lose connection i guess .
By the way, I'm planning to go back to stock in case it happen again so that i can get my warranty at ASUS. And I don't know much about rooting/ flashing so I want to ask some questions .
1. Can I flash google's stock ROM just like flashing other ROMs like CM with bootloader unlocked?
2. Have you tried KitKat. If so have you experienced battery drain? The only reason I rooted and installed CM is that I hate the battery draining issue. I had it since I updated my N7 3G to 4.2.2 and it kept happenings in 4.3
Anyway thanks a lot :good:

So far no major issue with battery and yes flashing process is the same just be careful u need to update ur bootloader to go to 4.4 and flashing wrong bootloader will brick ur device to be careful and read every thing.
Please ignore my spelling mistakes. English is not my native language.

xateeq said:
So far no major issue with battery and yes flashing process is the same just be careful u need to update ur bootloader to go to 4.4 and flashing wrong bootloader will brick ur device to be careful and read every thing.
Please ignore my spelling mistakes. English is not my native language.
Click to expand...
Click to collapse
Well, I used wug's nexus root toolkit to root and unlock bootloader. If I use the option:"go back to stock lock bootloader and flash stock", can I install update from OTA like normal again?

Choriandus said:
Well, I used wug's nexus root toolkit to root and unlock bootloader. If I use the option:"go back to stock lock bootloader and flash stock", can I install update from OTA like normal again?
Click to expand...
Click to collapse
YES

Huawei Customer Service

Long story short, need some information on sending my 6P to Huawei. It is soft bricked and nothing I do allows me to boot.
I'm in the US, and I am currently chatting with the rep online. She asked me if I had rooted the phone, to which I said no. I assume that because I would unlock, root and flash a custom ROM that my warranty would be voided.
What is the best, easiest way to send the phone off to them? Yes it was unlocked and rooted, yes it was running a Dirty Unicorn ROM. Was on the newest TWRP. Phone calls wouldn't work, yet data and texts did. After several tries to reboot and other things, problem still precisted. Tried to flash the current ROM I was on, still nothing. When I tried to revert to my backup (maybe a week or two old), it wouldn't boot.
I have read a bunch of threads and tried every form of flashing and images to get this thing to boot, no go. I never went to Nougat, have always been on MM and only Dirty Unicorns.

Have you flash stock image from Google and tested from there. No root,etc?

therock3181 said:
Have you flash stock image from Google and tested from there. No root,etc?
Click to expand...
Click to collapse
I have flashed the stock image, MTC20? and the MTX19X.
Don't know what you mean by 'no root'. I have root, I haven't tried to remove it to flash things. Is that what you mean?
What state should the phone be in if I'm to mail it in? Does it need to be flashed stock and locked? Was there any harm in telling Huawei rep that I was unlocked, rooted & running custom ROM?

vestaviajag said:
I have flashed the stock image, MTC20? and the MTX19X.
Don't know what you mean by 'no root'. I have root, I haven't tried to remove it to flash things. Is that what you mean?
What state should the phone be in if I'm to mail it in? Does it need to be flashed stock and locked? Was there any harm in telling Huawei rep that I was unlocked, rooted & running custom ROM?
Click to expand...
Click to collapse
Before you send your phone in you should flash back to completely stock, un-rooted, and re-lock the bootloader.
Unlocking the bootloader and installing custom roms voids your warranty.
Can you access your bootloader by holding power + volume down?
If so, then use Wug's Nexus Root Toolkit
Boot your phone into the bootloader and then;
1. Input your Model Type (Huawei Nexus 6p)
2. Click "Flash Stock + Unroot"
3. Select a factory image from the dropdown ( ie Android 6.0.1 - Build MTC20F)
4. Select "Automatically download + extract the image..."
5. It will download and flash the image.
If still bootlooping, then hold the power button down until the phone turns off, and reboot back into the bootloader and
6. Click the "OEM Lock" button in Wug's Toolkit, then follow the prompt on your phone.

defcondev said:
Before you send your phone in you should flash back to completely stock, un-rooted, and re-lock the bootloader.
Click to expand...
Click to collapse
Has anyone had any luck with sending their 6P to Huawei (I believe in Texas) and getting back their phones (new or refub.)?

vestaviajag said:
Has anyone had any luck with sending their 6P to Huawei (I believe in Texas) and getting back their phones (new or refub.)?
Click to expand...
Click to collapse
I haven't read of any experiences (good or bad);
Edit: Realized you haven't sent your phone in yet.

Or follow the instructions here https://developers.google.com/android/nexus/images#angler

[Q] Root-unlock bootloader-warranty : some questions before buying

Hi there! I've always been a Samsung user and I'm familiar with chainfire rooting method, Odin, the damn knox and all the tools that people need to achieve the beloved full control of our phones.
Let's go straight to the point: I need to buy a new phone for a friend of mine and the P9 Lite seems the most complete and suitable but I've read that if you unlock the bootloader and root it you obviously loose your warranty. The phone is unrootable by flashing a fresh OS image, but the bootloader will stay unlocked, tripping the useful warraty.
Is there any damn way to revert everything to stock in case there should be the need to send the phone to the customer service?
Thanks for the infos!

exnokiafan said:
Hi there! I've always been a Samsung user and I'm familiar with chainfire rooting method, Odin, the damn knox and all the tools that people need to achieve the beloved full control of our phones.
Let's go straight to the point: I need to buy a new phone for a friend of mine and the P9 Lite seems the most complete and suitable but I've read that if you unlock the bootloader and root it you obviously loose your warranty. The phone is unrootable by flashing a fresh OS image, but the bootloader will stay unlocked, tripping the useful warraty.
Is there any damn way to revert everything to stock in case there should be the need to send the phone to the customer service?
Thanks for the infos!
Click to expand...
Click to collapse
You can relock the bootloader if you reinstall a stock rom and revert to stock recovery, just fyi... Also there have been reports that the warranty is not void if the issue was not caused by a faulty software. Also if you are new to Huawei, be careful. And READ! A lot of people don't read, and mess up their phone...

Instead of making a new thread about the same issues I'll pitch in here too. What is the safest way to root and unroot in case of warranty? LIke the OP I came from the Samsung ecosystem too but I get the feeling if I don't at least ask about Huawei's one I'll probably **** something up.

dariomrk said:
You can relock the bootloader if you reinstall a stock rom and revert to stock recovery, just fyi... Also there have been reports that the warranty is not void if the issue was not caused by a faulty software. Also if you are new to Huawei, be careful. And READ! A lot of people don't read, and mess up their phone...
Click to expand...
Click to collapse
Simply flashing stock rom will lock bootloader but Huawei have your data of unlocking bootloader.

undercontr said:
Simply flashing stock rom will lock bootloader but Huawei have your data of unlocking bootloader.
Click to expand...
Click to collapse
That way you could say that when i get the code, i void my warranty without actually unlocking the bootloader...

dariomrk said:
That way you could say that when i get the code, i void my warranty without actually unlocking the bootloader...
Click to expand...
Click to collapse
Huawei says they "could" apply fee on unlocked phones. Maybe relocking it restores warranty? I tried to ask them but damn Chinese they don't reply.

They could, but the chance of that happening is really low, especially if your device is 100% bricked, and it needs a motherboard swap

dariomrk said:
They could, but the chance of that happening is really low, especially if your device is 100% bricked, and it needs a motherboard swap
Click to expand...
Click to collapse
If it's hardbricked and bootloader is unlocked and the problem is not related to bootloader or a process you made that requires unlocked bootloader, I think they won't fee you because it has nothing to do with bootloader. But of course a company will always choose cheaper way. If a phone goes download mode or fastboot mode it's already saved anyway.

undercontr said:
If it's hardbricked and bootloader is unlocked and the problem is not related to bootloader or a process you made that requires unlocked bootloader, I think they won't charge you
Click to expand...
Click to collapse
Exactly

undercontr said:
If a phone goes download mode or fastboot mode it's already saved anyway.
Click to expand...
Click to collapse
I wish... I can't seem to be able to save mine, even though it shows up on fastboot on the pc. The phone itself won't turn on at all. I can't seem to lock the bootloader either, anything I flash now seems to have no effect. I just hope the Huawei service fixes it.

Makishima said:
I wish... I can't seem to be able to save mine, even though it shows up on fastboot on the pc. The phone itself won't turn on at all. I can't seem to lock the bootloader either, anything I flash now seems to have no effect. I just hope the Huawei service fixes it.
Click to expand...
Click to collapse
If you have access to fastboot mode, you can flash anything. You dont have to flash an img permenantly if you want to save your phone. Use
Code:
fastboot boot boot.img
you can boot your recovery without rooting your phone. You can even open your custom recovery and flash your system.img or stock boot.img.

undercontr said:
If you have access to fastboot mode, you can flash anything. You dont have to flash an img permenantly if you want to save your phone. Use
Code:
fastboot boot boot.img
you can boot your recovery without rooting your phone. You can even open your custom recovery and flash your system.img or stock boot.img.
Click to expand...
Click to collapse
I tried fastboot flash boot boot.img (and similarly, recovery.img, system.img, any partition I could flash, multiple times with multiple files) but the phone did not boot at all. Not even into the bootloader nor recovery. It was completely unresponsive. Now the phone is not in my hands so any suggestion is too late...

Back to Stock with Oreo possible?

Hello my friends.
I bought my U Ultra in December 2017.
Now I decided to flash LeeDroid Oreo on my phone.
It works great.
I backed up in TWRP the parititions "System Image" and "System" in case for going back.
Now my question.
Is it possible to go for going to stock when I recover it all?
Can I lock the bootloader after that?
How to use the "System Image" partition? Can I fully flash my phone to stock with it? With Recovery and so on, because there is no RUU available for me?
My System Version was 2.21.401.1 and my region is Europe/Germany.
Regards

inFiniTyz_Z said:
I backed up in TWRP the parititions "System Image" and "System" in case for going back.
Is it possible to go for going to stock when I recover it all?
How to use the "System Image" partition? Can I fully flash my phone to stock with it? With Recovery and so on, because there is no RUU available for me?
Click to expand...
Click to collapse
If you have TWRP backup you simply recover the backup, wipe data and you are back to stock-ish. Naturally due to lack of original recovery you won't be able to receive/flash OTA. For HTC you simply do not exist.
inFiniTyz_Z said:
Can I lock the bootloader after that?
Click to expand...
Click to collapse
Kind of. You can make OEM lock but it won't be the factory lock. It will be relock. And if you have a custom ROM at that point the phone may not let you boot up.

QDT said:
If you have TWRP backup you simply recover the backup, wipe data and you are back to stock-ish. Naturally due to lack of original recovery you won't be able to receive/flash OTA. For HTC you simply do not exist.
Click to expand...
Click to collapse
In case when I flash the stock recovery too?

inFiniTyz_Z said:
In case when I flash the stock recovery too?
Click to expand...
Click to collapse
If you restore whole system then you will get the OTAs. (This is how I upgraded to Oreo in the first place).
Problem is with TWRP/custom recovery not being capable of performing the factory update (people are soft-bricking their phones).

QDT said:
If you restore whole system then you will get the OTAs. (This is how I upgraded to Oreo in the first place).
Problem is with TWRP/custom recovery not being capable of performing the factory update (people are soft-bricking their phones).
Click to expand...
Click to collapse
When I flash the RUU for my CID from nougat to my phone, and perform an upgrade to oreo, would it result in a hard brick?

inFiniTyz_Z said:
When I flash the RUU for my CID from nougat to my phone, and perform an upgrade to oreo, would it result in a hard brick?
Click to expand...
Click to collapse
There is a topic explaining how to recover first to Nougat and then let you phone receive OTA for Oreo.
I don't know from where you can get RUU for your CID. Keep in mind it has to be the version you have or newer if you are not going to unlock the bootloader and use 3rd party tools to trick force update.

QDT said:
There is a topic explaining how to recover first to Nougat and then let you phone receive OTA for Oreo.
I don't know from where you can get RUU for your CID. Keep in mind it has to be the version you have or newer if you are not going to unlock the bootloader and use 3rd party tools to trick force update.
Click to expand...
Click to collapse
I have the ROM for my CID.
But I would know if it works without hard brick.
I am little bit afraid from it, because I tried this two years ago on my Motorola Moto G2. For one, two, times it worked, then came marshmallow with a new bootloader, so you bricked this phone like ****.

inFiniTyz_Z said:
I have the ROM for my CID.
But I would know if it works without hard brick.
I am little bit afraid from it, because I tried this two years ago on my Motorola Moto G2. For one, two, times it worked, then came marshmallow with a new bootloader, so you bricked this phone like ****.
Click to expand...
Click to collapse
I cannot give you the guarantee. It is for you to decide. The topic explains it really good. I did it several times and no sweat at all. Other ways I don't know.

QDT said:
I cannot give you the guarantee. It is for you to decide. The topic explains it really good. I did it several times and no sweat at all. Other ways I don't know.
Click to expand...
Click to collapse
And I can downgrade to nougat and upgrade with OTA to oreo without hard brick? Did you tried that?

inFiniTyz_Z said:
And I can downgrade to nougat and upgrade with OTA to oreo without hard brick? Did you tried that?
Click to expand...
Click to collapse
Yes, I did that. I went through the described procedure and restored the phone to pristine Nougat and then let it to update via OTA to Oreo.
If your phone is s-on then there hardly any chance you will hard brick it. Soft bricks can happen, naturally. But then, dependently on the case, you can recover from it by reflash, wipe or making the downgrade again via RUU.
One important key combination you have to keep in mind. By pressing (and holding) power with volume down you will see the buttons flashing. Keeping them pressed for ca. 15 sec (shorter, longer depends) forces the phone to reboot.
Good luck.

QDT said:
Yes, I did that. I went through the described procedure and restored the phone to pristine Nougat and then let it to update via OTA to Oreo.
If your phone is s-on then there hardly any chance you will hard brick it. Soft bricks can happen, naturally. But then, dependently on the case, you can recover from it by reflash, wipe or making the downgrade again via RUU.
One important key combination you have to keep in mind. By pressing (and holding) power with volume down you will see the buttons flashing. Keeping them pressed for ca. 15 sec (shorter, longer depends) forces the phone to reboot.
Good luck.
Click to expand...
Click to collapse
It worked. After my question I did the procedure and upgraded to oreo!
Thank you.
No Brick, but I had to erase the data and cache partition again after the first start, because it stucked at the HTC Logo after booting.
But the funfact is: I wanted to do a hard reset after my first try to boot it up, and the phone did a screenshot with the logo!

inFiniTyz_Z said:
It worked. After my question I did the procedure and upgraded to oreo!
Thank you.
No Brick, but I had to erase the data and cache partition again after the first start, because it stucked at the HTC Logo after booting.
But the funfact is: I wanted to do a hard reset after my first try to boot it up, and the phone did a screenshot with the logo!
Click to expand...
Click to collapse
Good. Have fun with the phone. It is quite nice piece of hardware. I like it.

QDT said:
Good. Have fun with the phone. It is quite nice piece of hardware. I like it.
Click to expand...
Click to collapse
Thanks. You too!
And the software status is currently still on modified. Would it change when I lock the bootloader?

inFiniTyz_Z said:
Thanks. You too!
And the software status is currently still on modified. Would it change when I lock the bootloader?
Click to expand...
Click to collapse
What software status? If you restore the original recovery there is no additional message during boot. If you lock the bootloader it will report as "relocked".

QDT said:
What software status? If you restore the original recovery there is no additional message during boot. If you lock the bootloader it will report as "relocked".
Click to expand...
Click to collapse
In the bootloader mode you see your software status. And it is still with stock rom and stock recovery on "modified"

inFiniTyz_Z said:
In the bootloader mode you see your software status. And it is still with stock rom and stock recovery on "modified"
Click to expand...
Click to collapse
And to my knowledge it will be like that. You have flashed unlocked (from HTC but always) bootloader and this has to be noted. It is not that drastical as KNOX for Samsung, doesn't influence the phone functioning.

inFiniTyz_Z said:
It worked. After my question I did the procedure and upgraded to oreo!
Thank you.
No Brick, but I had to erase the data and cache partition again after the first start, because it stucked at the HTC Logo after booting.
But the funfact is: I wanted to do a hard reset after my first try to boot it up, and the phone did a screenshot with the logo!
Click to expand...
Click to collapse
When you say you followed the procedure, which exactly do you mean? Can you please help me by giving me a quick summary of the steps?

I would like to know the procedure as well.

Hi! I've installed a custom ROM, now I would like to go back to the stock ROM, I don't have a nandroid backup, what can I do?