[SOLVED] Locking bootloader - Transformer TF300T Q&A, Help & Troubleshooting

I'm selling my TF300T to a second hand shop, but I want to lock the bootloader as I think they will refuse the device with the "This device is unlocked" text.
THE DEVICE WORKS FINE. I'm not trying to trick anyone into purchasing a broken device. I know there are hundreds of post like this, but none of them actually tell you how to or if it's even possible to lock the bootloader.
Thanks,
Daniel

Daniol71 said:
I'm selling my TF300T to a second hand shop, but I want to lock the bootloader as I think they will refuse the device with the "This device is unlocked" text.
THE DEVICE WORKS FINE. I'm not trying to trick anyone into purchasing a broken device. I know there are hundreds of post like this, but none of them actually tell you how to or if it's even possible to lock the bootloader.
Thanks,
Daniel
Click to expand...
Click to collapse
Cannot be done once unlocked, all Transformer tablets are unlocked forever.
Unless something very bad happens, there is no way to relock the bootloader ....
Thx Josh

Thank you for your help

lj50036 said:
Cannot be done once unlocked, all Transformer tablets are unlocked forever.
Unless something very bad happens, there is no way to relock the bootloader ....
Thx Josh
Click to expand...
Click to collapse
Actualy bootloader can be relocked. Refurbished devices are those, thats why is a major problem with unlocking

lj50036 said:
Cannot be done once unlocked, all Transformer tablets are unlocked forever.
Unless something very bad happens, there is no way to relock the bootloader ....
Thx Josh
Click to expand...
Click to collapse
Clamor said:
Actualy bootloader can be relocked. Refurbished devices are those, thats why is a major problem with unlocking
Click to expand...
Click to collapse
Yep, if you say so...

lj50036 said:
Yep, if you say so...
Click to expand...
Click to collapse
Actually, is there a good factory reset tutorial on xda? I haven't found one yet and I don't really trust other ones on the internet.
I would like to:
-unroot
-flash original firmware
-flash original bootloader

Daniol71 said:
Actually, is there a good factory reset tutorial on xda? I haven't found one yet and I don't really trust other ones on the internet.
I would like to:
-unroot
-flash original firmware
-flash original bootloader
Click to expand...
Click to collapse
Yes just flash the blob from asus but this is not going to lock your bootloader ...
Thx Josh

Related

Lock an unlocked Infinity

Has anyone figured out how to lock an unlocked infinity? Im getting frustrated with some of the lag with the stock ROM and want to try a custom ROM which I usually do with all my devices but i don't want to void my warranty because I've started experiencing some issues with my light sensor and may have to get it repaired or exchanged in the future. I'm used to being able to recover my devices to complete stock but everywhere is saying it can't be locked again.
TIA
sovereignty said:
Has anyone figured out how to lock an unlocked infinity? Im getting frustrated with some of the lag with the stock ROM and want to try a custom ROM which I usually do with all my devices but i don't want to void my warranty because I've started experiencing some issues with my light sensor and may have to get it repaired or exchanged in the future. I'm used to being able to recover my devices to complete stock but everywhere is saying it can't be locked again.
TIA
Click to expand...
Click to collapse
That is correct info you have there...
Once unlocked its unlocked for ever, as the way its done is that the unlock tool, sends a request to asus for the
unlock key. Once that is done you are unlocked, forever....
Thx Josh
lj50036 said:
That is correct info you have there...
Once unlocked its unlocked for ever, as the way its done is that the unlock tool, sends a request to asus for the
unlock key. Once that is done you are unlocked, forever....
Thx Josh
Click to expand...
Click to collapse
I guess I should be asking... has there been any work on unlocking without ASUS intervention?
sovereignty said:
I guess I should be asking... has there been any work on unlocking without ASUS intervention?
Click to expand...
Click to collapse
Not that I am aware of...Sorry
lj50036 said:
Not that I am aware of...Sorry
Click to expand...
Click to collapse
I wonder if anyone has any interest to look into this...
Thanks!
lj50036 said:
Not that I am aware of...Sorry
Click to expand...
Click to collapse
I wonder if anyone has any interest to look into this that's already out of warranty...
Thanks!
sovereignty said:
I wonder if anyone has any interest to look into this that's already out of warranty...
Thanks!
Click to expand...
Click to collapse
You'd have to get the NSA involved. They may have the means to crack that encryption key
Sent from my K00C using Tapatalk
It is possible to relock the device, but you won't get back your warranty as lj explained, so it's pointless.
The bootloader is encrypted with a device-specific secure boot key. If you want to unlock without help from Asus, you have the following theoretical possibilities:
* crack the 128-bit AES "secure boot key".
* "obtain" the Asus private key for signing your CPU serial number to create the unlock token.
* find a weakness in the Tegra's SBK implementation.
Good luck with any of these.
And I think you can forget the light sensor - mine never worked good enough to be useful.

How to set "locked" again the bootloader after unlock?

Hi guys, I've unlocked the bootloader, then I tried to lock it again, but now BL is set on "RELOCKED" and not on "LOCKED".
So, I think, in case I've to send my phone in warranty, I will have problems!
So, the question is: how can I set again in "LOCKED" the bootloader?
Thank you so much!
Did you not use the unlock code provided by Huawei? Otherwise, they already know you voided the warranty.
hanset said:
Hi guys, I've unlocked the bootloader, then I tried to lock it again, but now BL is set on "RELOCKED" and not on "LOCKED".
So, I think, in case I've to send my phone in warranty, I will have problems!
So, the question is: how can I set again in "LOCKED" the bootloader?
Thank you so much!
Click to expand...
Click to collapse
There is no way if you did it with the 16 digit code. It will be only relock and no lock. Had you used the other way of unlocking, you may have locked it again. Whats the requirements, only to regain warranty?
SethW said:
Did you not use the unlock code provided by Huawei? Otherwise, they already know you voided the warranty.
Click to expand...
Click to collapse
Yeah, I've requested the code, but it doesn't mean nothing: I Can request it but it doesn't mean that I have to use it! ^_^
Is there a way to set on "locked" the bootloader?
I knew about dc-unlocker, a payware program.. Does It works?
shashank1320 said:
There is no way if you did it with the 16 digit code. It will be only relock and no lock. Had you used the other way of unlocking, you may have locked it again. Whats the requirements, only to regain warranty?
Click to expand...
Click to collapse
Yeah, only regain warranty ^_^
hanset said:
Yeah, only regain warranty ^_^
Click to expand...
Click to collapse
Don't worry. Unless you run into something very critical you wont need it..even though if you go to service centre, not all cares for bootloader.
shashank1320 said:
Don't worry. Unless you run into something very critical you wont need it..even though if you go to service centre, not all cares for bootloader.
Click to expand...
Click to collapse
Ok! Thanks for the support
first relock the bootloader
and then flash the org firmware from Huawei site
same as new
just wipe your device & install stock fimware with sd card everything will fine, like brand new
Ok, perfect.. thx everybody!! Love you

Is this real?

Is this real?
Root?
http://www.androidinfotech.com/2017/05/root-samsung-galaxy-note-5-verizon-sm-n920v-nougat.html
PJtrick4020 said:
Is this real?
Root?
http://www.androidinfotech.com/2017/05/root-samsung-galaxy-note-5-verizon-sm-n920v-nougat.html
Click to expand...
Click to collapse
No it's not real! Chainfires website is having issues and it shouldn't be there and if you flash that you're going to brick the phone!
Thanks for the heads up. Sucks people got to be so shady.
It also says 'should have unlocked bootloader' which no one has been able to do yet. Having the bootloader unlocked is not really a 'should' it is a 'must' have for that model Verizon.
droidzer1 said:
It also says 'should have unlocked bootloader' which no one has been able to do yet. Having the bootloader unlocked is not really a 'should' it is a 'must' have for that model Verizon.
Click to expand...
Click to collapse
Apparently a lot of people aren't bothering to read about it first and asking over and over if it works.. I've got way to many emails or private messages about it.

Bootloader Warning Removing

hi guys
i want to remove bootloader warning message with editing bootloader
i can not relock becuase i haven't TA-Partition
anyone has anyways?
thanks in advance
use the search function ...
rmb.gh said:
hi guys
i want to remove bootloader warning message with editing bootloader
i can not relock becuase i haven't TA-Partition
anyone has anyways?
thanks in advance
Click to expand...
Click to collapse
https://forum.xda-developers.com/sitesearch.php?q=xperia xz relock bootloader
and from there for example
https://forum.xda-developers.com/showpost.php?p=72188072&postcount=10
DHGE said:
https://forum.xda-developers.com/sitesearch.php?q=xperia xz relock bootloader
and from there for example
https://forum.xda-developers.com/showpost.php?p=72188072&postcount=10
Click to expand...
Click to collapse
thanks but i have searched before and nothing had been realized
i don't want relock
i want only remove that warning pop up
rmb.gh said:
thanks but i have searched before and nothing had been realized
i don't want relock
i want only remove that warning pop up
Click to expand...
Click to collapse
sorry - I misread your post (I thought you wanted to relock the bootloader without TA-backup - possible but useless)
search could find:
https://forum.xda-developers.com/showpost.php?p=70984563&postcount=327
DHGE said:
sorry - I misread your post (I thought you wanted to relock the bootloader without TA-backup - possible but useless)
search could find:
https://forum.xda-developers.com/showpost.php?p=70984563&postcount=327
Click to expand...
Click to collapse
yes it is unusable
according to your post it is impossible yes?
is there another way?
DHGE said:
sorry - I misread your post (I thought you wanted to relock the bootloader without TA-backup - possible but useless)
search could find:
https://forum.xda-developers.com/showpost.php?p=70984563&postcount=327
Click to expand...
Click to collapse
i found it in res folder
but it doesn't that pop up
rmb.gh said:
i found it in res folder
but it doesn't that pop up
Click to expand...
Click to collapse
Well
https://forum.xda-developers.com/sitesearch.php?q=xperia bootloader warning
found me https://forum.xda-developers.com/mo...o-remove-unlocked-bootloader-warning-t3201141
THIS is different on my XZ!
But there might be a way without writing a new bootloader.
The guy just patched a binary to jump to the same display as if the bootloader was locked.
No big deal but still highly risky.
I do not know how it works on the XZ. And since this does not bother me, I will not invest my time or risk my phone on a solution.
DHGE said:
Well
https://forum.xda-developers.com/sitesearch.php?q=xperia bootloader warning
found me https://forum.xda-developers.com/mo...o-remove-unlocked-bootloader-warning-t3201141
THIS is different on my XZ!
But there might be a way without writing a new bootloader.
The guy just patched a binary to jump to the same display as if the bootloader was locked.
No big deal but still highly risky.
I do not know how it works on the XZ. And since this does not bother me, I will not invest my time or risk my phone on a solution.
Click to expand...
Click to collapse
great ! this is a backdoor )
but it have hard brick risk true?
rmb.gh said:
but it have hard brick risk true?
Click to expand...
Click to collapse
I might not be that hard.
If it is soft (I do not know) then you could still flash the original binary.
DHGE said:
I might not be that hard.
If it is soft (I do not know) then you could still flash the original binary.
Click to expand...
Click to collapse
yes that's right
i read in a thread this warning was embedded with bootloader in xz but in moto e logo.bin has been exist in root folders
did you see anyone that do this? because everyone say that do not go in this way

Google Pixel Verizon bootloop, Lock bootloader

I lock bootloader on Verizon Google Pixel when my device have TWRP and i have brick! Device Loading up to logo Google on 1 sec and reboot. Fastboot work, but i don't unlock bootloader. In recovery is don't enter. Please help me!
https://forum.xda-developers.com/pixel/how-to/psa-read-relocking-bootloader-t3494614 ....very important advice. With my limited knowledge NEVER relock unless you have signed OEM images correctly reloaded into device before locking.
kkjb said:
https://forum.xda-developers.com/pixel/how-to/psa-read-relocking-bootloader-t3494614 ....very important advice. With my limited knowledge NEVER relock unless you have signed OEM images correctly reloaded into device before locking.
Click to expand...
Click to collapse
There is still no solution to this problem? ((
Unlock again.
lafester said:
Unlock again.
Click to expand...
Click to collapse
how can I unlock it now?
I already wrote to a man who used to be for money unlocked Verizon bootloader, but he says "No solution for this problem yet"
Groh12 said:
how can I unlock it now?
I already wrote to a man who used to be for money unlocked Verizon bootloader, but he says "No solution for this problem yet"
Click to expand...
Click to collapse
Put the phone in fastboot mode, then run `fastboot flashing unlock` from a PC. If it says unlocking not allowed, you're out of luck, it's a brick now. Never lock your phone without being 100% stock on both slots
Groh12 said:
how can I unlock it now?
I already wrote to a man who used to be for money unlocked Verizon bootloader, but he says "No solution for this problem yet"
Click to expand...
Click to collapse
No idea. I've never relocked unless I am completely stock and take at least one ota first to make sure, along with full factory resets before and after updating.
There are others here that claim they where able to unlock again and save their phones though so maybe it's possible.
lafester said:
No idea. I've never relocked unless I am completely stock and take at least one ota first to make sure, along with full factory resets before and after updating.
There are others here that claim they where able to unlock again and save their phones though so maybe it's possible.
Click to expand...
Click to collapse
In this topic https://forum.xda-developers.com/pi...bootloader-t3540772/post77016940#post77016940 man has unbrick Pixel XL, but i think that method will work on Pixel.

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