Is it possible to lock the bootloader after its been unlocked? - Asus ZenFone 3 Questions & Answers

Ive unlocked my bootloader on my ZE520KL, and I was wondering if you can lock the bootloader back?

Actually it seems that it is not possible to relock

On other phones the command is "fastboot oem lock" but I'm not sure if it works with ASUS devices. It's worth a shot, although note that even if it does work your warranty will still be voided.

sensi277 said:
On other phones the command is "fastboot oem lock" but I'm not sure if it works with ASUS devices. It's worth a shot, although note that even if it does work your warranty will still be voided.
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If I do this, does it reset/delete all my phone apps?

Pyroaz said:
If I do this, does it reset/delete all my phone apps?
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you can't lock zenfone 3 bootloader with this command

rhodondendron said:
you can't lock zenfone 3 bootloader with this command
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Oh ok, thanks for letting me know

Related

has anyone confirmed fastboot oem lock

i know the nexus S has fastboot OEM UNlock but does anyone now if retail units can fastboot OEM LOCK im not 100% sure im keeping the phone and i dont want to unlock it and find that i cant return it if i decide i dont like it
Or perhaps maybe you just don't unlock it until you've decided to keep it?
Rusty! said:
Or perhaps maybe you just don't unlock it until you've decided to keep it?
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yea could do that too, but where's the fun in that
Yes, you can do fastboot oem lock.
So to clarify, you can unlock, install superuser, and lock again?
Or can you only lock it when it's running signed software?
Just curious...
Mokurex said:
Yes, you can do fastboot oem lock.
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thanks now to move all my app data from my N1

Unlock the bootloader

We could request to unlock the bootloader from Motorola directly.
https://motorola-global-portal.custhelp.com/app/standalone/bootloader/unlock-your-device-a
And if you read the "supported devices" list on the linked pages, you wont find Droid Turbo 2 unfortunately... Verizon forces motorola to lock down the devices and not offer this unless a "developer edition" phone is purchased. Currently there is no such thing for the Turbo 2.
In the developers options in the settings there is a switch that says OEM unlocking - allow the bootloader to be unlocked. I'm not sure if this is something that would help
pharisjosh said:
In the developers options in the settings there is a switch that says OEM unlocking - allow the bootloader to be unlocked. I'm not sure if this is something that would help
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No, unfortunately not.
pharisjosh said:
In the developers options in the settings there is a switch that says OEM unlocking - allow the bootloader to be unlocked. I'm not sure if this is something that would help
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thats for device protection, a function like apple iphone lock,
http://www.greenbot.com/article/290...ow-about-device-protection-in-android-51.html
http://www.androidpolice.com/2015/0...evice-protection-feature-and-how-do-i-use-it/
if you disable that option, you can flash things on the phone leaving the phone unlocked and open
With what your saying does that mean we can root it and flash a custom recovery?
Bill Idol said:
With what your saying does that mean we can root it and flash a custom recovery?
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I really don't think that this option will work its a shame..
Bill Idol said:
With what your saying does that mean we can root it and flash a custom recovery?
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no, only for unlocked devices, to droid turbo 2 doesnt apply.

bootloader unlock anybody trying?

will moto g4 xt1625 amazon bootloader ever get unlocked??
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If you're moto G4 is non-amazon version you can do it without any problem..
I just ordered the amazon version last week and had no problem unlocking it. I think Motorola stopped giving unlock codes for the amazon version for a while. That must have changed cause like I said I had no problem as well as others I read about in another thread
For mine a week ago and had no problems. On g4 play i did i messed up the numbers and it said it couldn't be unlocked but when i for them right it unlocked right away.
I'm one of the originals and I still can't unlock (when with I received a replacement under warranty)
I only can hope that I'm entering the value wrong but I don't think that is the case.
bfridman said:
I'm one of the originals and I still can't unlock (when with I received a replacement under warranty)
I only can hope that I'm entering the value wrong but I don't think that is the case.
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Did you set allow OEM unlocking option under developer options had that trouble when trying to unlock my bootloader
lerg96 said:
...
If you're moto G4 is non-amazon version you can do it without any problem..
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bro i have amazon version
hulkbuster92 said:
Did you set allow OEM unlocking option under developer options had that trouble when trying to unlock my bootloader
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Does that impact the output of the fastboot OEM get_unlock_data command? I get gated when taking the command output and putting it through the data scrubber tool and clicking "can my device be unlocked".
bfridman said:
Does that impact the output of the fastboot OEM get_unlock_data command? I get gated when taking the command output and putting it through the data scrubber tool and clicking "can my device be unlocked".
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Yes when i tried it first i was missing a line of values but when i set allow OEM unlocking enabled i got the last line of values
hulkbuster92 said:
Yes when i tried it first i was missing a line of values but when i set allow OEM unlocking enabled i got the last line of values
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Thank you for the reply. I gave that a shot but received the same lines and still a no go . Oh well.

Error Locking Bootlader

Hi. I am using this zip to flash Stock ROM and lock bootloader.
But when I run the "fastboot oem lock" command after running all the commands, I get the error: "Still require signed boot.img".
And the bootloader is not locked.
Please help me out.
What reasons are there for wanting to relock? have you decided to go back to stock and can't use android pay etc?
Priezti said:
What reasons are there for wanting to relock? have you decided to go back to stock and can't use android pay etc?
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I want to sell it.
ah right, In that case I can't help as I'm in the same situation, can't relock however I am keeping my device, I was going to suggest Magisk to hide root etc but obviously not what you're looking for now
mstoic said:
Hi. I am using this zip to flash Stock ROM and lock bootloader.
But when I run the "fastboot oem lock" command after running all the commands, I get the error: "Still require signed boot.img".
And the bootloader is not locked.
Please help me out.
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After fastboot oem lock
Flash boot , oem and all system images then again type fastboot oem lock.
It works for me..
Just so you know, relocking the bootloder does not restore the warranty. You need to let the person you are selling it to know that the warranty is still void. Lenovo keeps track of devices that were unlocked, so even relocking it will not revalidate the warranty.
jbardi said:
Just so you know, relocking the bootloder does not restore the warranty. You need to let the person you are selling it to know that the warranty is still void. Lenovo keeps track of devices that were unlocked, so even relocking it will not revalidate the warranty.
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You mean to say once i ask for unlock code my warranty is voided even if do not unlock after that
milav said:
You mean to say once i ask for unlock code my warranty is voided even if do not unlock after that
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Possibly. Unsure if it is voided upon simply requesting the code or only after actually unlocking it, but it is definitely voided upon a successful unlock.
Sent from my Moto G (5) Plus using Tapatalk
jbardi said:
Just so you know, relocking the bootloder does not restore the warranty. You need to let the person you are selling it to know that the warranty is still void. Lenovo keeps track of devices that were unlocked, so even relocking it will not revalidate the warranty.
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Sure, I will let them know. But locking can still benefit if the service center guy only checks for bootloader unlock status.
mstoic said:
Sure, I will let them know. But locking can still benefit if the service center guy only checks for bootloader unlock status.
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Have you succeeded in relocking??
milav said:
Have you succeeded in relocking??
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Not yet. Can't get the answer anywhere.
mstoic said:
Not yet. Can't get the answer anywhere.
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So above mentioned method is not working hmmm

Question Bootloader unlocking

Is anyone tried to unlock bootloader of there nothing phone 1
hasnainali2404 said:
Is anyone tried to unlock bootloader of there nothing phone 1
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I can't wait to get my hands on the device.
Think you can unlock the bootloader with fastboot/adb (same as with Nexus/Pixel/Oneplus-devices) no?
Hey!
After enabling OEM Unlock in the developer options, the commands to unlock it are:
fastboot flashing unlock
fastboot flashing unlock_critical
Hope this helps.
What about relocking?
Krullendhaar said:
What about relocking?
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same commands, just change "unlock" with "lock" ^^.
I like old OnePlus brand/Carl Pei for that, Root Friendly
No Knox, No 169 hours Waiting Period or Forbidden Unloack Bootloader.
It's premature to say whether this will be possible or not, as the Phone(1) was released only 5 days ago.
But knowing Carl, I think that everything will be allowed on this smartphone so that it can be used by many people.
It will be a while before we have a custom recovery and therefore can develop around the Phone(1).
But the kernel is already available for developers which is a good sign.
Post with link for Phone(1) Kernel
@gigantino said:
Hey!
After enabling OEM Unlock in the developer options, the commands to unlock it are:
fastboot flashing unlock
fastboot flashing unlock_critical
Hope this helps.
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Thanks man, definitely helps
Sib64 said:
It's premature to say whether this will be possible or not, as the Phone(1) was released only 5 days ago.
But knowing Carl, I think that everything will be allowed on this smartphone so that it can be used by many people.
It will be a while before we have a custom recovery and therefore can develop around the Phone(1).
But the kernel is already available for developers which is a good sign.
Post with link for Phone(1) Kernel
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if you're a developer ,know this, I love you guys for the stuff you domake us proud
Does unlocking bootloader wipe my data? If yes, is there a way to circumvent this?
abrattic said:
Does unlocking bootloader wipe my data? If yes, is there a way to circumvent this?
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Yes!! No!!
abrattic said:
Does unlocking bootloader wipe my data? If yes, is there a way to circumvent this?
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Yes! Unlocking your phone will always wipe your data!
And No! if you want to unlock your phone, there is no way around the data wipe at the moment
Is it able to retain L1 status after unlock?
After unlocking (without root, unmodified partitions):
I still have L1 wildvine ("DRM Info").
Safetynet CTS profile match fails.
I'm missing play protect certification.
I can still apply OTAs. (just did 1.1.0 -> 1.1.2)
dedors said:
After unlocking (without root, unmodified partitions):
I still have L1 wildvine ("DRM Info").
Safetynet CTS profile match fails.
I'm missing play protect certification.
I can still apply OTAs. (just did 1.1.0 -> 1.1.2)
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You need to install Magisk (and also root your device) in order to install Universal safetynet fix module and ofc actually pass safetynet. Worked fine on my device.
I have unlocked many phones but never used this command "fastboot flashing unlock_critical"
Why do we have to use that command aswell?
bariz143 said:
I have unlocked many phones but never used this command "fastboot flashing unlock_critical"
Why do we have to use that command aswell?
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You don't need to.
bariz143 said:
I have unlocked many phones but never used this command "fastboot flashing unlock_critical"
Why do we have to use that command aswell?
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If you have read my tuto with all the process and explanations , you would have seen this point that concerns your question:
12-Once you’re on the bootloader menu, you’ll now have to switch to using fastboot command to communicate with your device. To unlock the Nothing Phone 1’s bootloader, enter the following command: fastboot flashing unlock
In case you need to flash low-level firmware partitions like the bootloader images, you will have to execute another command afterwards: fastboot flashing unlock_critical
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Sib64 said:
If you have read my tuto with all the process and explanations , you would have seen this point that concerns your question:
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So as long as I flash ROMS i don't have to use that command. Only for modem.and so on.
bariz143 said:
So as long as I flash ROMS i don't have to use that command. Only for modem.and so on.
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Since my HTC Hero, it's the 1st time that I have inserted this command

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