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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?
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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.

[SOLVED] Locking bootloader

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
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Click to collapse
Yep, if you say so...

lj50036 said:
Yep, if you say so...
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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

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.
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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?
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Click to collapse
Yeah, only regain warranty ^_^

hanset said:
Yeah, only regain warranty ^_^
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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

I want to relock the boot loader. How?

I want to do this. Is there a way to do so and retain data?

gunnyman said:
I want to do this. Is there a way to do so and retain data?
Click to expand...
Click to collapse
via fastboot...
fastboot oem lock
I don't recall if it factory defaults, as I rarely lock

bootloader locked now won't boot
All I want to do is run the RUU to get it back to stock

gunnyman said:
bootloader locked now won't boot
All I want to do is run the RUU to get it back to stock
Click to expand...
Click to collapse
Download appropriate RUU from https://forum.xda-developers.com/u11/how-to/collection-htcu-u11-ruu-firmware-t3612048 place it on SD card, rename to 2PZCIMG.zip, put SD card into phone, press & hold vol down and power button to boot into download mode and confirm RUU flashing (battery should be over 30 or something %)
[Edited for better description.]

I have twrp still installed recovery won't start and it doesn't boot

gunnyman said:
I have twrp still installed recovery won't start and it doesn't boot
Click to expand...
Click to collapse
I edited my post for better description. You should do what it says there (you need to boot to download mode).
Also relocking bootloader with twrp still installed is a no no

Ok. Thanks. I'm charging phone now I got running ruu exe sorted. Thanks for the push in the right direction

gunnyman said:
Ok. Thanks. I'm charging phone now I got running ruu exe sorted. Thanks for the push in the right direction
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Np.. Hope you get it sorted.
(the steps I described I described are for sd card method, if there is ruu exe for your variant you should just follow instructions once you start ruu exe on your computer)

I was freaking out because I was getting USB error 170 running the RUU. Got it all sorted out and am back up and running.

gunnyman said:
I was freaking out because I was getting USB error 170 running the RUU. Got it all sorted out and am back up and running.
Click to expand...
Click to collapse
Good to hear :good:

Sorry to hijack the thread but is there any way to unlock bootloader without going through the htcdev method? I believe that the warranty is voided if i unlock my bootloader and the support will not entertain any hardware damage (not caused by me) which is why i wanted to unlock without using htcdev. Any info is appreciated, thanks!

tokenbest said:
Sorry to hijack the thread but is there any way to unlock bootloader without going through the htcdev method? I believe that the warranty is voided if i unlock my bootloader and the support will not entertain any hardware damage (not caused by me) which is why i wanted to unlock without using htcdev. Any info is appreciated, thanks!
Click to expand...
Click to collapse
There isn't at least for now. And in any case until there is s-off even if there was other way it will show as relocked and modified after you lock it again.
there's no sunshine in the sky for now, but warranty is not voided in most countries/cases anyway.

velimircek said:
There isn't at least for now. And in any case until there is s-off even if there was other way it will show as relocked and modified after you lock it again.
there's no sunshine in the sky for now, but warranty is not voided in most countries/cases anyway.
Click to expand...
Click to collapse
Thanks but sadly.. the customer support for HTC Singapore said warranty would be void after unlocking bootloader and any issues would not be covered, seriously though -_- sucks to hear that and making me hesitate on purchasing a U11 currently.

tokenbest said:
Thanks but sadly.. the customer support for HTC Singapore said warranty would be void after unlocking bootloader and any issues would not be covered, seriously though -_- sucks to hear that and making me hesitate on purchasing a U11 currently.
Click to expand...
Click to collapse
I got the same response from HTC Czech Republic: unlocking the bootloader would instantly void my warranty, plus they said that warranty-keeping bootloader unlock is possible only in that one special case for US customers, the rest of the world voids their warranty by doing so :/
Rant on the side: I truly despise not being allowed to get root privileges without voiding the warranty - it is MY device, yet I can't control the system. I want to do MY own backups, control (or inspect) the data apps save to MY phone, and control the configuration of MY system. I really hate being locked out from even such basic configurations as the hosts file is - I'm effectively barred from some aspects of web development so that advertisements can be shoved down my throat

gunnyman said:
bootloader locked now won't boot
All I want to do is run the RUU to get it back to stock
Click to expand...
Click to collapse
How did you get it to relock? i keep getting a failed messaged with the command above.
C:\adb>fastboot oem lock
...
FAILED (remote: unknown command)
finished. total time: 0.004s

tokenbest said:
Sorry to hijack the thread but is there any way to unlock bootloader without going through the htcdev method? I believe that the warranty is voided if i unlock my bootloader and the support will not entertain any hardware damage (not caused by me) which is why i wanted to unlock without using htcdev. Any info is appreciated, thanks!
Click to expand...
Click to collapse
Right now it's only with the 175 USD XTC2Clip with all the attachments including the power adapter - and as of my last look, it cannot factory lock the bootloader thanks to temporary S-OFF so it will show up as relocked which will void the warranty anyway. In other words, we are all out of luck for now.
And it remains to be seen if HTC actually lets us keep our warranty in the US... The warranty in the box says otherwise.

EtherealRemnant said:
Right now it's only with the 175 USD XTC2Clip with all the attachments including the power adapter - and as of my last look, it cannot factory lock the bootloader thanks to temporary S-OFF so it will show up as relocked which will void the warranty anyway. In other words, we are all out of luck for now.
And it remains to be seen if HTC actually lets us keep our warranty in the US... The warranty in the box says otherwise.
Click to expand...
Click to collapse
175.00, S-off is not that important. Like you said a relocked bootloader voids your warranty. Why are people bothering to relock bootloader especially the OP to run the RUU, it is not needed. You do mention XTC2Clip a lot in these threads. You holding stock in the company? lol

schmeggy929 said:
175.00, S-off is not that important. Like you said a relocked bootloader voids your warranty. Why are people bothering to relock bootloader especially the OP to run the RUU, it is not needed. You do mention XTC2Clip a lot in these threads. You holding stock in the company? lol
Click to expand...
Click to collapse
Hell no, I have no interest in dropping another 175 bucks, I think it's ridiculous but it is currently the only way to do a number of things with the device. I'd consider it if being able to unlock and relock the phone without HTC ever having a clue was a big deal or there was a Google edition and I needed to change the CID and MID or other things but honestly, I still have my 10 if I really need to get at something that was on that phone but not on this one (for example my Battle.net authenticator). I suppose I could always try Helium though with my desktop but I imagine that's a protected app like Google Authenticator which required root to backup and why I switched to Authy.
I mentioned the XTC2Clip because it is the only way to get S-OFF of any kind right now and to point out that even with its temp S-OFF, it still can't restore the bootloader to factory locked status. It's an important thing to point out, not everyone knows that HTC has two different locked statuses, one that proves the phone has been tampered with, and one that is factory locked. A lot of people ask to go back to stock so they can send it in for a warranty claim or a refund to go buy another device. The relocked bootloader obviously kills one or both options depending on the situation.

EtherealRemnant said:
Right now it's only with the 175 USD XTC2Clip with all the attachments including the power adapter - and as of my last look, it cannot factory lock the bootloader thanks to temporary S-OFF so it will show up as relocked which will void the warranty anyway. In other words, we are all out of luck for now.
And it remains to be seen if HTC actually lets us keep our warranty in the US... The warranty in the box says otherwise.
Click to expand...
Click to collapse
schmeggy929 said:
175.00, S-off is not that important. Like you said a relocked bootloader voids your warranty. Why are people bothering to relock bootloader especially the OP to run the RUU, it is not needed. You do mention XTC2Clip a lot in these threads. You holding stock in the company? lol
Click to expand...
Click to collapse
Does it void warranty? I returned my bootloader relocked U11 to HTC due to a scratch on the display. Was offered a refund or exchange. I had to go the refund route to swap colours ( I went from Black to Blue). Was accepted without any fuss.

Galactus said:
Does it void warranty? I returned my bootloader relocked U11 to HTC due to a scratch on the display. Was offered a refund or exchange. I had to go the refund route to swap colours ( I went from Black to Blue). Was accepted without any fuss.
Click to expand...
Click to collapse
Yeah, a lot of people are claiming unlocked bootloader voids warranty now, however US is more relaxed. Every single HTC phone I had was returned with Unlocked Bootloader and S-off, never had a problem. Other countries are more strict I guess. I can understand not knowing the return policy and people relock for that reason(for returns) but I see many relocking for flashing RUU or firmware. This is not needed or even should be done. I'm a RUU flasher with each update, so I know no problems arise. This has been the case for the last 8,9 or 10 phones lol.

Can't receive Bootloader Unlock Key for Moto G Stylus (Resolved, cannot unlock due to cid)

3A95801810847744#5A593232433950384C34006D6F746F2067200000#D435A3894908A31895EF2693C4062D3C4E8B07B6#C8D3A0F6000000000000000000000000
^This is my 5 line code, and whenever I put it into motorola's unlock page, they decline it, what can I do?

chaoticideas said:
3A95801810847744#5A593232433950384C34006D6F746F2067200000#D435A3894908A31895EF2693C4062D3C4E8B07B6#C8D3A0F6000000000000000000000000
^This is my 5 line code, and whenever I put it into motorola's unlock page, they decline it, what can I do?
Click to expand...
Click to collapse
Probably nothing you can do, there is no other way to unlock the bootloader.
There is a chance that the unlock site isn't working, and is giving a false " not eligible" message it happens.
if that's the case you just will have to keep trying the site.
Which CID does the device have?
Code:
fastboot getvar cid

sd_shadow said:
Probably nothing you can do, there is no other way to unlock the bootloader.
There is a chance that the unlock site isn't working, and is giving a false " not eligible" message it happens.
if that's the case you just will have to keep trying the site.
Which CID does the device have?
Code:
fastboot getvar cid
Click to expand...
Click to collapse
I have a cid that is ineligible, 0x0002, originally I didn't want to admit that it was impossible since it seems silly for motorola to control the phone that I own, but when I read up about the cid, yeah, it won't work, thanks for replying to me though!

Does this mean Stylus 2020's bootloader are unable to unlocked now?

chaoticideas said:
I have a cid that is ineligible, 0x0002, originally I didn't want to admit that it was impossible since it seems silly for motorola to control the phone that I own, but when I read up about the cid, yeah, it won't work, thanks for replying to me though!
Click to expand...
Click to collapse
0x0002 is the Verizon Cid, Verizon doesn't want the bootloader unlocked.
Verizon branded devices are rarely able to be unlocked, same for At&T.

zapjb said:
Does this mean Stylus 2020's bootloader are unable to unlocked now?
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Click to collapse
Only if you buy it through a Carrier like Verizon.

TY @
sd_shadow​

I got my bootloader unlocked but I don't have a PC to flash the patricion

sd_shadow said:
Only if you buy it through a Carrier like Verizon.
Click to expand...
Click to collapse
not true... i bought mine directly from motorola and i cant unlock it. anyone figure any method out???

JLD0619 said:
not true... i bought mine directly from motorola and i cant unlock it. anyone figure any method out???
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Click to collapse
Which cid?

zapjb said:
Does this mean Stylus 2020's bootloader are unable to unlocked now?
Click to expand...
Click to collapse
2021 isn't eligible either

fastboot getvar cid