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Is it possible to re-lock and unlocked bootloader?
I know updating should get rid of an unlocked bootloader, but I still get the warning screen on bootup.
Reason I ask is because I had it unlocked, got an OTA update from Verizon for kitkat, and soft bricked my phone. Got stuck in a boot loop with the unlocked bootloader warning message.
I just flashed back to 4.0.4 using RDS Lite 6.1.4. Id like to reset the boot loader to locked before updating to kitkat again.
It's not possible to re-lock. I've updated to KK and can confirm that the BL is, in fact, still unlocked.
I have read somewhere that when you unlock the bootloader, it actually physically blows some kind of physical fuse. or maybe I miusread it.
Someone had made a special logo.img you can flash to get rid of that message.
Although if you really want a locked BL phone, I'd be more than happy to trade you.
MxPhenom 216 said:
I know updating should get rid of an unlocked bootloader, but I still get the warning screen on bootup.
Click to expand...
Click to collapse
Not that it helps, but in Australia, we do not get the nasty warning message after unlocking the bootloader. And I think that the phones are actually sold with an unlocked bootloader.
GnatGoSplat said:
Although if you really want a locked BL phone, I'd be more than happy to trade you.
Click to expand...
Click to collapse
:laugh:
Hi Guys
I have 3 questions regarding Moto X Style Bootloader unlocking.
Can we unlock the Moto X Style bootloader after locking it after first unlock?
Can this process be repeated multiple times if we need to?
Can we use the same unique unlock key that we received while unlocking the bootloader for the first time?
Thank you
Why would you want to do this?
psandeepn said:
Hi Guys
I have 3 questions regarding Moto X Style Bootloader unlocking.
Can we unlock the Moto X Style bootloader after locking it after first unlock?
Can this process be repeated multiple times if we need to?
Can we use the same unique unlock key that we received while unlocking the bootloader for the first time?
Thank you
Click to expand...
Click to collapse
Yes you can do it as many times as you want but 1: Why would you relock afterwards 2: You will have to deal with a factory reset every time
PS: I dont know about the unlock key but most likely you can use the same
Is there any way to remove the Bootloader unlock warning ⚠ without relocking bootloader?
Sent from my XT1572 using Tapatalk
psandeepn said:
Hi Guys
I have 3 questions regarding Moto X Style Bootloader unlocking.
Can we unlock the Moto X Style bootloader after locking it after first unlock?
Can this process be repeated multiple times if we need to?
Can we use the same unique unlock key that we received while unlocking the bootloader for the first time?
Thank you
Click to expand...
Click to collapse
Theres no reason really to relock it. Once its unlocked, the bootloader will show that it was unlocked regardless if you relock it.
atishey23 said:
Is there any way to remove the Bootloader unlock warning without relocking bootloader?
Sent from my XT1572 using Tapatalk
Click to expand...
Click to collapse
Yes
Pyramid Head said:
Yes you can do it as many times as you want but 1: Why would you relock afterwards 2: You will have to deal with a factory reset every time
PS: I dont know about the unlock key but most likely you can use the same
Click to expand...
Click to collapse
Thanks for your reply.
The reason for attempting to re-lock bootloader is to get the OTA update from Motorola till date, especially Reliance Jio VoLTE support...But if I wish to make any further changes to my phone with any custom rom I should be able to do it by unlocking the bootloader again.
Thanks
psandeepn said:
Thanks for your reply.
The reason for attempting to re-lock bootloader is to get the OTA update from Motorola till date, especially Reliance Jio VoLTE support...But if I wish to make any further changes to my phone with any custom rom I should be able to do it by unlocking the bootloader again.
Thanks
Click to expand...
Click to collapse
You don't have to lock the bootloader to take an OTA. You just need to be in a completely unmodified stock state: stock recovery, unmodified system, no root, etc. Bootloader can be unlocked.
jason2678 said:
You don't have to lock the bootloader to take an OTA. You just need to be in a completely unmodified stock state: stock recovery, unmodified system, no root, etc. Bootloader can be unlocked.
Click to expand...
Click to collapse
Thanks for your reply.
I have unlocked bootloader, TWRP recovery and rooted. If I unroot and flash stock recovery, I will be able to get OTA? Do I need to take care of anything else?
psandeepn said:
Thanks for your reply.
I have unlocked bootloader, TWRP recovery and rooted. If I unroot and flash stock recovery, I will be able to get OTA? Do I need to take care of anything else?
Click to expand...
Click to collapse
That might work. Frankly I'm not sure. I haven't actually taken successfully an OTA on any phone since sometime in 2013 honestly.
I once flashed this phone totally back to stock. Every partition but logo, and it failed to take an OTA. I don't know if it failed because I had a modified logo, or maybe I had mounted system r/w. Not sure.
Hopefully someone more knowledgeable on this topic will chime in.
psandeepn said:
Thanks for your reply.
I have unlocked bootloader, TWRP recovery and rooted. If I unroot and flash stock recovery, I will be able to get OTA? Do I need to take care of anything else?
Click to expand...
Click to collapse
The answer is maybe... it depends what you have changed and what this OTA updater script actually checks for.
We know that a stock bootloader (which can be unlocked, that is not relevant), stock recovery, and stock system image are required to take an OTA. If the system image has been modified it can fail, and we know the updater has the ability to see if /system has EVER been mounted R/W and can fail for that condition although so far it doesn't seem Moto is going that extreme.
We do know a modified logo does not affect an OTA, in fact, you can even relock the bootloader with a modified logo so it must not be a significant check.
jason2678 said:
That might work. Frankly I'm not sure. I haven't actually taken successfully an OTA on any phone since sometime in 2013 honestly.
I once flashed this phone totally back to stock. Every partition but logo, and it failed to take an OTA. I don't know if it failed because I had a modified logo, or maybe I had mounted system r/w. Not sure.
Hopefully someone more knowledgeable on this topic will chime in.
Click to expand...
Click to collapse
On my father's moto e lte I received OTA without issue with unlocked bootloader, I just flashed stock image and it was ready to update, btw I'm not sure but I've seen somewhere info that you can change bootlogo even with locked bootloader so I don't think that's the issue.
Btw after you once unlock bootloader you won't be able to truly lock it again, next time you will be able to unlock it without any code so you lose some security in this process, frp won't be working anymore.
iks8 said:
On my father's moto e lte I received OTA without issue with unlocked bootloader, I just flashed stock image and it was ready to update, btw I'm not sure but I've seen somewhere info that you can change bootlogo even with locked bootloader so I don't think that's the issue.
Btw after you once unlock bootloader you won't be able to truly lock it again, next time you will be able to unlock it without any code so you lose some security in this process, frp won't be working anymore.
Click to expand...
Click to collapse
You still need code to unlock each time, but it's the same code, and if you relock OEM Unlocking gets turned off and you would have to turn it on again... So if something fails on the first boot after relocking, your f*cked, no way to unlock.
And FRP definitely works if the bootloader is unlocked, it is just much easier to bypass.
acejavelin said:
You still need code to unlock each time, but it's the same code, and if you relock OEM Unlocking gets turned off and you would have to turn it on again... So if something fails on the first boot after relocking, your f*cked, no way to unlock.
And FRP definitely works if the bootloader is unlocked, it is just much easier to bypass.
Click to expand...
Click to collapse
You're right sorry
I'm getting a 6p for Christmas and I have a question.
Say the 6p is on Marshmallow, and I decide to unlock the bootloader (just that, no root or anything) on MM. Will I be able to update to 7.1.1 via ota (no I don't want to sideload or flash) without issues? Or is there a process to it like updating bootloader, vendor, radio or whatever else. Or does the Ota file contain the updated boot.img and vendor etc.
ricbaez said:
I'm getting a 6p for Christmas and I have a question.
Say the 6p is on Marshmallow, and I decide to unlock the bootloader (just that, no root or anything) on MM. Will I be able to update to 7.1.1 via ota (no I don't want to sideload or flash) without issues? Or is there a process to it like updating bootloader, vendor, radio or whatever else. Or does the Ota file contain the updated boot.img and vendor etc.
Click to expand...
Click to collapse
Yes, you can unlock then update via OTA. OTAs patch every partition permitted there are no modifications done to system and boot.
Sent from my Nexus 5X using Tapatalk
ricbaez said:
I'm getting a 6p for Christmas and I have a question.
Say the 6p is on Marshmallow, and I decide to unlock the bootloader (just that, no root or anything) on MM. Will I be able to update to 7.1.1 via ota (no I don't want to sideload or flash) without issues? Or is there a process to it like updating bootloader, vendor, radio or whatever else. Or does the Ota file contain the updated boot.img and vendor etc.
Click to expand...
Click to collapse
Why would you want to unlock the bootloader if you don't intend to root or install a custom recovery? I don't understand what the benefit is.
jhs39 said:
Why would you want to unlock the bootloader if you don't intend to root or install a custom recovery? I don't understand what the benefit is.
Click to expand...
Click to collapse
I actually intend to install megapixel rom
jhs39 said:
Why would you want to unlock the bootloader if you don't intend to root or install a custom recovery? I don't understand what the benefit is.
Click to expand...
Click to collapse
@ricbaez
No disrespect, but I would say why would you NOT unlock the bootloader on a Nexus? Especially when you first get the phone because unlocking wipes it. Unlocking the bootloader allows you to use MANY more tools in the event your phone boot loops or becomes unresponsive. There are dozens of threads where people are completely screwed because they did NOT unlock the bootloader and so cannot salvage their device with ADB/Fastboot. If you bought a Nexus, one of the selling points is that Google ALLOWS the owner to unlock the bootloader right in the Dev Options! Even if the OP is not going to root or install a custom recovery, if he/she does not unlock the bootloader, they are going to be S.O.L. if the phone won't boot. There are many examples of this since Google has gone to the monthly security OTA's and updates. Or... simply put, if you are unlocked you can flash full Google images and use ADB/Fastboot. If you are locked, you can only sideload an OTA with the stock recovery and that hasn't been working out well for so many people here on XDA.
To the OP. Recommend you unlock your bootloader first thing which will wipe the phone and start you out fresh. Unlocking the bootloader will not prevent you from receiving OTA's. Make sure your Google login works properly. Login. Logout. Login. Then do whatever the F you want with your phone, knowing you will have serious options to recover in the event things go south for any reason. Next would be installing TWRP. Good luck!
v12xke said:
@ricbaez
No disrespect, but I would say why would you NOT unlock the bootloader on a Nexus? Especially when you first get the phone because unlocking wipes it. Unlocking the bootloader allows you to use MANY more tools in the event your phone boot loops or becomes unresponsive. There are dozens of threads where people are completely screwed because they did NOT unlock the bootloader and so cannot salvage their device with ADB/Fastboot. If you bought a Nexus, one of the selling points is that Google ALLOWS the owner to unlock the bootloader right in the Dev Options! Even if the OP is not going to root or install a custom recovery, if he/she does not unlock the bootloader, they are going to be S.O.L. if the phone won't boot. There are many examples of this since Google has gone to the monthly security OTA's and updates. Or... simply put, if you are unlocked you can flash full Google images and use ADB/Fastboot. If you are locked, you can only sideload an OTA with the stock recovery and that hasn't been working out well for so many people here on XDA.
To the OP. Recommend you unlock your bootloader first thing which will wipe the phone and start you out fresh. Unlocking the bootloader will not prevent you from receiving OTA's. Make sure your Google login works properly. Login. Logout. Login. Then do whatever the F you want with your phone, knowing you will have serious options to recover in the event things go south for any reason. Next would be installing TWRP. Good luck!
Click to expand...
Click to collapse
You are right. I wasn't aware that people were having boot loop issues on phones running stock Android but that apparently is the case. But as long as USB Debugging and Allow OEM Unlock are ticked in the developer options you should be able to unlock the bootloader later through ADB if you need to. I assumed the warning about my phone being insecure since my bootloader is unlocked that pops up every time I boot was there for a reason. There is no security issue created by unlocking your bootloader?
jhs39 said:
You are right. I wasn't aware that people were having boot loop issues on phones running stock Android but that apparently is the case. But as long as USB Debugging and Allow OEM Unlock are ticked in the developer options you should be able to unlock the bootloader later through ADB if you need to. I assumed the warning about my phone being insecure since my bootloader is unlocked that pops up every time I boot was there for a reason. There is no security issue created by unlocking your bootloader?
Click to expand...
Click to collapse
It's cool, and I respect your decision to stay locked if you decide that is best for you. I suppose you could set Allow OEM unlock in Dev settings AND USB debugging in USB just in case, but if for some reason you could not boot, unlocking bootloader would then wipe userdata and your backups would be gone before you could transfer them off. In the end it's up to the individual to choose security vs, recoverability. Many ppl are getting locked out of their phones in the interest of security (or just the default settings). As it turns out, they were just trying to perform a monthly security update and hosed their phone. Stock rom, stock recovery, unrooted. Every Nexus phone I've owned (Galaxy?) has been unlocked so that I could use all the tools available to get myself out of a bind if needed. I don't give a sh!t about the boot up warning, because I know that my nandroid and FF backups can get me back home in the event of a lockup. Unlocking will not stop you from receiving OTA's if you are stock. Even if you are not, unlocking will allow you to use ADB, custom recoveries, toolkits, etc. If you end up in a bootloop and your bootloader is locked you are S.O.L. plain and simple. Each to their own though... if you need encryption and value high security of your data over recoverability then you may want to stay bootloader locked. As owners of a Nexus phone we have that option. Many others do not. Cheers my friend!
Thank you guys everything was successful, unlocked it in no time, downloaded 7.1.1 and it's perfect. NOw time to flash twrp and MegaPixel Rom
Hi I need your help, Iwant yo re-lock the bootloader on my OnePlus 6T
I understand that I have to go back everything on factory but I dont know how do it.
I did the ''root'' because I wanted to change the font and improve the sound but tlost quality on Netflix, and I that is important to me because I use it a lot. I want to back to L1
The problem was when I tried to eliminate the ''root'' (magisk) The system did not star and i was afraid because Iam not an expert so i flashed the ''full OTA'' and it works again, Now I want to remove twrp but I dont know how so I need help because i dont want brick my phone
I got the recovery 9.0.7 stock.img if I flash it will work?
sorry for my english..
Thanks
ross92 said:
Hi I need your help, Iwant yo re-lock the bootloader on my OnePlus 6T
I understand that I have to go back everything on factory but I dont know how do it.
I did the ''root'' because I wanted to change the font and improve the sound but tlost quality on Netflix, and I that is important to me because I use it a lot. I want to back to L1
The problem was when I tried to eliminate the ''root'' (magisk) The system did not star and i was afraid because Iam not an expert so i flashed the ''full OTA'' and it works again, Now I want to remove twrp but I dont know how so I need help because i dont want brick my phone
I got the recovery 9.0.7 stock.img if I flash it will work?
sorry for my english..
Thanks
Click to expand...
Click to collapse
Check this thread, and follow local update method, then you need only of a command to lock the bootloader:
https://forum.xda-developers.com/oneplus-6t/how-to/how-to-update-return-to-stock-oneplus-6-t3870795
I just locked the bootloader for my OnePlus 6t. Follow the steps given below.
1. Backup all the important data. I am not responsible for any data loss!!!
2. Remove security lock screen (pin/pattern) or any thing
3. Download the stock rom from https://oxygenos.oneplus.net/OnePlus6TOxygen_34_OTA_020_all_1904032212_38e22c8b9abd42e3.zip
and transfer it to your phone.
4. Boot into twrp recovery.
5. flash the downloaded zip
6. Once done, reboot the system.
7. Now, boot back into the fastboot. (you can enable advance restart from developer mode for easy boot into fastboot)
8. Run fastboot oem lock
9. You will be presented with two options on phone screen. Select the one that says lock the bootloader.
10. It will wipe everything.
11. Once you in the system, enable developer mode and make sure that oem unlock is turned off. If not, turn it off and restart your phone.
And, you are done.
Let me know if it helps or if you have any question/concern.
MDM Tool in my opinion the easiest and quickest way to go back to 1000% stock. It will re-flash every partition on the phone so it's like brand new again. Using the MSM Tool guarantees that everything is back to stock and should restore the Widevine version back to L1 or whatever it was originally.
A question please
Once you lock again your phone, does it loose the root????
I mean, I have a Xperia 10 with the bootloader unlocked , it is root as well. Now root permissions for special aps work fine, but Google Pay is unusable, it does not work anymore. I hid root with xposed framework and rootCloak, but Google Pay still does not work now because the bootloader is unlocked...
As you should know, it is possible to lock the phone again... and many of those phones that relock their bootloaders keep the root permissions...
However , in my case, with Xperia devices (bq and xiaomi happen de same) is you lock the bootloader again, the phone resets, everything dissapear and root is eliminated. What is a really disaster.
As you have heard, the majority of phones, if you lock them again the root continues working, at least the apps that you gave them root permissions they continue working as they used to. But in my case this is different....ç
So please,
Is there any possibility to Lock my bootloader again without loosing the Root in my Xperia?????
Thousand of thanks!!!!
Bardok84 said:
A question please
Once you lock again your phone, does it loose the root????
I mean, I have a Xperia 10 with the bootloader unlocked , it is root as well. Now root permissions for special aps work fine, but Google Pay is unusable, it does not work anymore. I hid root with xposed framework and rootCloak, but Google Pay still does not work now because the bootloader is unlocked...
As you should know, it is possible to lock the phone again... and many of those phones that relock their bootloaders keep the root permissions...
However , in my case, with Xperia devices (bq and xiaomi happen de same) is you lock the bootloader again, the phone resets, everything dissapear and root is eliminated. What is a really disaster.
As you have heard, the majority of phones, if you lock them again the root continues working, at least the apps that you gave them root permissions they continue working as they used to. But in my case this is different....ç
So please,
Is there any possibility to Lock my bootloader again without loosing the Root in my Xperia?????
Thousand of thanks!!!!
Click to expand...
Click to collapse
Go ask in Xperia threads
Striatum_bdr said:
Go ask in Xperia threads
Click to expand...
Click to collapse
Yes I did:
https://forum.xda-developers.com/xperia-10/development/help-how-to-lock-bootloader-loosing-t3965829/post80203451#post80203451
Also I asked for help here:
https://forum.xda-developers.com/android/help/how-to-lock-google-pay-xperia-rooted-t3965637
https://forum.xda-developers.com/galaxy-nexus/themes-apps/app-bootunlocker-nexus-devices-version-t1731993/page66
https://forum.xda-developers.com/galaxy-nexus/themes-apps/app-bootunlocker-nexus-devices-version-t1731993/page66
This is the only Thread where I could find some information about locking a bootloader again. Yes , this is dedicated to xiaomi 6t, but locking bootloaders is something common.
The only thing I want is to lock my Bootloader again without loosing Root permisions. Xperia devices seem to RESET everything when you lock the booloader automatically...., but perhaps there is another way.... a possibility to lock the bootloader without the phone is reset (loosing root permissions) ....
I asked for some help here. I regret any inconvenience that could may be caused on this thread with my message.
Regards
Nobody have your phone here how could we help you? Each phone has its specific behavior
If you relock a OnePlus phone you reset everything, like when you unlock it and it's logical. A locked bootloader is meant to ensure safety of data, safety that can't be provided with root access. Locked BL and root are antinomic.
Striatum_bdr said:
Nobody have your phone here how could we help you? Each phone has its specific behavior
If you relock a OnePlus phone you reset everything, like when you unlock it and it's logical. A locked bootloader is meant to ensure safety of data, safety that can't be provided with root access. Locked BL and root are antinomic.
Click to expand...
Click to collapse
Thank you for your message and understanding. So in Oneplus devices happen the same. So once you unlock the bootloader you loose Google Pay forever because it does not work wit BL unlocked...
Some users suggested me to lock again the bootloader,
Imagine:
- I become Root. Then I modify some apps
- I give to some apps root permissions.
- I lock the bootloader again.
- I won't be able to modify my phone anymore, but all those apps that were given root permissions, Will they be kept in the phone although it has BL locked again.
would it be like this?
or all changes you did while being root would dissapear with everything?????
If So... there is no exit what I see..., We have to choose between being Root users.... or being stock with Google Pay. It is a Pity.
I was not sure if all Phones reset and erase everything when you lock the bootloader .... but as I can see here, this is the reality. Root users loose Google PAY definitely.
Is there any option to solve this??
thanks again for your attention.
regards
Bardok84 said:
Thank you for your message and understanding. So in Oneplus devices happen the same. So once you unlock the bootloader you loose Google Pay forever because it does not work wit BL unlocked...
Some users suggested me to lock again the bootloader, but if I do that, as you have said, the Root and everything will be erased because the phone resets everything. So... there is no exit what I see..., We have to choose between being Root users.... or being stock with Google Pay. It is a Pity.
I was not sure if all Phones reset and erase everything when you lock the bootloader .... but as I can see here, this is the reality. Root users loose Google PAY definitely.
Is there any option to solve this??
thanks again for your attention.
regards
Click to expand...
Click to collapse
I'm unlocked and rooted c and Google pay works perfectly with Magisk
Striatum_bdr said:
I'm unlocked and rooted c and Google pay works perfectly with Magisk
Click to expand...
Click to collapse
Does google pay work??? What did you do in magisk exactly to achieve that???
I rooted my xperia using Magisk..., is there any tutorial or info that you suggest to me to follow ? or what should I do in magisk options???
I have 10 days with my phone stopped, trying and trying to make Google Pay works....Maybe this is happening to me because my Xperia uses Android 9.0.... or Magisk should make google pay work even being in android 9.0?
First Google pay recognized Root, and the app stopped working. I hid it using xposed and RootCloak
Then, Google pay recognized Bootloader. But now... I dont know what to do to hid bootloader unlocked for Google..., Google pay recognises it is unlocked... a disaster and a nightmare for me, I dont know what to do...
Thousand of thanks, I really thankfull for your help.
Regards
Hi, I need to send my p smart to huawei service due to battery problems.
My phone is rooted with bl unlocked and, it seems, my warranty is void.
If I remove root and relock my bl, my phone will be accepted regardless of the rooting?
Unfortunately no, because the bootloader status is RElock, not lock. Lock bootloader with DC Unlocker, because the program lock bootloader and change status to lock with 4 euro
Ok thanks, that actually seemed the only way.
If I use dc unlock to lock the bl, do you know if it makes my unlock code unusable for a future unlock and root? I mean, if I want to root my phone again, can I use the standard procedure (using my unlock code, twrp and so on) or do I have to use necessarily DC unlock?
Zioward said:
Ok thanks, that actually seemed the only way.
If I use dc unlock to lock the bl, do you know if it makes my unlock code unusable for a future unlock and root? I mean, if I want to root my phone again, can I use the standard procedure (using my unlock code, twrp and so on) or do I have to use necessarily DC unlock?
Click to expand...
Click to collapse
If you want unlock the bootloader again you can if you have a unlock code
Hey, did you Lock the bootloader again? If yes, could you give me a quick guide on how to do it? I unlocked mine some time ago and cant quite figure out how to lock it again now!
if have to dig this up. i can't relock my bootloader for some reason. is there an up to date method? flashed official through erovery. bootlocker and frp are unlocked atm.