Question OEM Bootloader Option gone? - Samsung Galaxy A12

I purchased a Samsung Galaxy A12 [SM-A125U] with Android 10 installed. I was able to allow Unlock OEM Bootloader in developer options. After a OTA update to Android 11 that option for unlocking the Bootloader is gone. Will I be able to root this phone? (I hope so).
Any Help is appreciated, Tom

odatkid said:
I purchased a Samsung Galaxy A12 [SM-A125U] with Android 10 installed. I was able to allow Unlock OEM Bootloader in developer options. After a OTA update to Android 11 that option for unlocking the Bootloader is gone. Will I be able to root this phone? (I hope so).
Any Help is appreciated, Tom
Click to expand...
Click to collapse
Same issues

1- go back, upload Android 10
extract SIM card, use WiFi
This way you will get the OEM icon and Preload -> Checking
2- upload Android 11
Unfortunately there is a problem with the network, the SIM. The phone locks calls on the unlocked bootloader.
(I wrote it using google translator)

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odatkid said:
I purchased a Samsung Galaxy A12 [SM-A125U] with Android 10 installed. I was able to allow Unlock OEM Bootloader in developer options. After a OTA update to Android 11 that option for unlocking the Bootloader is gone. Will I be able to root this phone? (I hope so).
Any Help is appreciated, Tom
Click to expand...
Click to collapse
Code:
1. Go to options
2. Go in to date and time
3. Set the date to anything older then it is now
4. Go in to about phone, and tap build number 7 times until you turn on developer options
5. If oem unlocking has apeared you can freely set the time back to it's original state.

(Pt_Br)
_ Também estava com o mesmo problema então instalei está Firmware 10.0 U2 https://samfw.com/firmware/SM-A125U/USC/A125USQS2AUF3
Translated by GT:
(Pt_Br)
_ I also had the same problem so I installed this Firmware 10.0 U2 https://samfw.com/firmware/SM-A125U/USC/A125USQS2AUF3

Related

Someone need help

I'am in a facebook group about Hard brick on lollipop and I found someone that appears to have a rare kind of brick, each time he turn on the moto g it says "boot up failed" and he doesn't find any solution on forums, Does someone could help him?
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Johann0109 said:
I'am in a facebook group about Hard brick on lollipop and I found someone that appears to have a rare kind of brick, each time he turn on the moto g it says "boot up failed" and he doesn't find any solution on forums, Does someone could help him?
Click to expand...
Click to collapse
he messed with his phone i some strange way. recovery says the kernel (boot.img) is wrong / broken...
i would advice him (as he gets into the bootloader) to: unlock the bootloader 1st (so he can load a new boot & rom on this) he can do this via this bootloader & moto website
when he is unlocked he should flash a stock firmware via bootloader BUT he need to LOKK THAT THE FW matches HIS MODEL!!! instructions & downloads of the firmware can be found here in the moto g hread.
good luck!
bejunk said:
he messed with his phone i some strange way. recovery says the kernel (boot.img) is wrong / broken...
i would advice him (as he gets into the bootloader) to: unlock the bootloader 1st (so he can load a new boot & rom on this) he can do this via this bootloader & moto website
when he is unlocked he should flash a stock firmware via bootloader BUT he need to LOKK THAT THE FW matches HIS MODEL!!! instructions & downloads of the firmware can be found here in the moto g hread.
good luck!
Click to expand...
Click to collapse
Thats the problem, he can't unlock the bootloader
Johann0109 said:
Thats the problem, he can't unlock the bootloader
Click to expand...
Click to collapse
Moto says no or wahts the problem? maybe he entered the wrong bootloader code on moto website. my friend telled me he tried & checked that code like 4 times & website said allways "unlock not possible", the i arrived tried once & voila bl unlock

Update a not well-known 8.1 (treble) android Chinese smartphone to 9.0

Hey there!
My name is Thomas and I'm new to this forum. I have a cheap Chinese phone: the UMIDIGI One Pro. It's a really good smartphone provided with stock Android 8.1.
It's been a few weeks since Android 9 came out and I think it's a very good version. I currently use Pear Launcher and Power Shade to have a close interface (I'm a fan of Pie one).
I like hacking and I had a little fun yesterday by rooting my phone with Magisk and installing the God's favorite language with Termux (RUBY <3). Just looking at examples of what I could do with Termux I saw that I could see if my phone supported Treble, and contrary to what I thought ... it is!
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I am a newbie so correct me if I say nonsense but I think it would allow me to update to android 9, right? I watched some tutorials but they use TWRP (and I have not found a version compatible with my phone because it is really little known and recent).
I am currently able to use:
- ADB & Fastboot
- Termux
- Magisk
- SP Flash Tools (I used it in order to install Magisk)
- The ROM folder downloaded from the website of my phone: [link blocked as I'm a new user]
But I'm not able to:
- Unlock bootloader (when I restart on fastboot and perform the command "fastboot oem unlock", it asks me to press volume up to confirm because it could void the warranty and then it says "unlock failed"
- Install TWRP (as I don't found any supported version)
Do you think I can update it to android 9? If yes, how?
Thank you very much for taking the time to read me. Sorry if my English is not very good (I'm french).
Thomas!
I found a compatible TWRP version here : [Link blocked because I don't have 10 posts]
So I installed it with SP Flash Tools. :good:
I also found a TWRP for the ONE PRO, but I have the ONE, you think it will work ?
And from what source did you get the boot.img to install Magisk ?
I have the One Pro it's the same phone except you have a bigger battery and I have wireless charging capabilities...... keep me posted because I might want to do the same

OEM Bootloader Unlocking now enabled in Dev Options (Android 10)

My phone updated to Android 10 a couple of days ago. I spotted there are some new entries in the Developer Options menu - but the main thing is that the OEM Unlocking option is now toggleable:
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Previously this was greyed out, so I'm interested to see if this makes much of a difference. Or if anyone else even sees it, haven't seen any mention of it anywhere else.
Android version below:
By the way, you have enabled: "stay awake" option, this might lead you to slow charging only. This happened to me.
Yes, I enabled it also. Don' t know if it's really unlocked. So... great question.
Just enabling the option won't do much on its own, you'd still have to unlock it with fastboot.
Does this mean that after selecting this option I can unlock the phone and install a custom rom like lineage?
Unlocking 6.2 and 7.2, but is general method ?:
https://www.lovenokia.net/2019/10/guide-how-to-unlock-bootloader-of-nokia-7-2-free-method.html?m=1
https://www.techmesto.com/nokia-7-2-bootloader-unlock/
Erases data btw
Seems like we are out of luck. Below reaction of Singhnsk at Nokiamob:
that toggle being toggleble doesn't mean unlockabke too. If you enable it and head to fastboot, you'll see unlock ability as 0 I.e. Not allowed.
fastboot flashing get_unlock_ability
Nollie8969 said:
Unlocking 6.2 and 7.2, but is general method ?:
https://www.lovenokia.net/2019/10/guide-how-to-unlock-bootloader-of-nokia-7-2-free-method.html?m=1
https://www.techmesto.com/nokia-7-2-bootloader-unlock/
Erases data btw
Click to expand...
Click to collapse
Ahaha and now HMD is being so sweet to say that it is a mistake and will be pulled. I am a fan ?
Nollie8969 said:
Seems like we are out of luck. Below reaction of Singhnsk at Nokiamob:
that toggle being toggleble doesn't mean unlockabke too. If you enable it and head to fastboot, you'll see unlock ability as 0 I.e. Not allowed.
fastboot flashing get_unlock_ability
Click to expand...
Click to collapse
sad.... i wish it work...
i want unlock myphone

Nokia 6.2 how to unlock bootloadet

https://www.techmesto.com/nokia-7-2-bootloader-unlock/amp/
This worked for me on Nokia 6.2 !!!!
And now rooted 6.2
Sent from my Nokia 6.2 using XDA-Developers Legacy app
kade78 said:
And now rooted 6.2
Sent from my Nokia 6.2 using XDA-Developers Legacy app
Click to expand...
Click to collapse
By booting TWRP recovery image and then flashing Magisk via it?
DJBhardwaj said:
By booting TWRP recovery image and then flashing Magisk via it?
Click to expand...
Click to collapse
Booting patched boot.img and so on. I will post files and guide later do day.
Sent from my [device_name] using XDA-Developers Legacy app
- fastboot boot <file> https://drive.google.com/file/d/1Mifg8VB_iCtm07Yc518fu9YXqzrvJYia/view?usp=sharing
- Install this APK on the phone. -> https://github.com/topjohnwu/Magisk/releases/download/manager-v7.3.5/MagiskManager-v7.3.5.apk
- Then open Magisk app, press on Install > Direct Install.
- reboot
shoud be rooted now
I´m on september update!!!!!!!
And note I am just o tester, another person made this possible, boot img from 7.2!!!!!
Bought a Nokia 6.2 today. I had luck and it was on a security update from September 2019 so I had no issues with unlocking the Bootloader and then I successfully flashed TWRP.
this process does not work any more after december update. could not unlock the bootloader
lehosra said:
this process does not work any more after december update. could not unlock the bootloader
Click to expand...
Click to collapse
Yes exactly they have locked the possibility to do that with the December Update.
how downgrade to unloc bootloader?
djlangel said:
how downgrade to unloc bootloader?
Click to expand...
Click to collapse
Take a look here so there s no really easy way to do it if O see it right.
https://www.techmesto.com/nokia-7-2-bootloader-unlock/amp/
How to change "DEVICE STATE - locked" to unlocked?
Nokia 6.2
Android version: 10
Android security update: 1 September 2021
developer mode activated;
OEM unlocking: ON
USB debugging: ON
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Fake post......................

Is it possible to switch GM1910 to European ROM without unlock or root?

Hi all,
sorry if this has been asked and answered (I did search first).
My daughter ordered a Oneplus 7 Pro from a European seller but it arrived with Chinese writing on the back.
A quick search of the text "GM1910" reveals it to be a Chinese model (see picture)
So our options are to try for refund or if possible, change the OS.
So my question is, is it possible to change the ROM to European (UK) without unlocking the bootloader or rooting (she uses apps that wont work rooted/unlocked)
Thanks, Steve.
(EDIT...)
Some additional questions...
* What ROM is it likely to have pre-installed?
* Will it have English already?
* Is it likely to be littered with Chinese apps?
Back of box...
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I bought a GM1910 and it came with Oxygen OS, not with the Chinese version. Currently it's updated to 10.3.0.
Just open it and power it on.
I think these are sold in HK market so it comes preinstalled with OxygenOS
xander_aa said:
I bought a GM1910 and it came with Oxygen OS, not with the Chinese version. Currently it's updated to 10.3.0.
Just open it and power it on.
I think these are sold in HK market so it comes preinstalled with OxygenOS
Click to expand...
Click to collapse
Hi xander, thanks for the heads up.
You were correct, it did have oxygen (v9.x) so I got the EU rom and did a "local upgrade"
For anyone reading this in future...
1. download the GM21BA EU ROM (V10.0.3 at time of writing)
2. copy it to "internal storage" area of phone
3. in phone, open settings > system > system updates > menu (gear icon) > local upgrade
easy peasy.
Cheers.
As long as the update is the same or higher then what you have on it now. Let's say your on the 10.0.3 gm21ba which is the 1913 then you can download the update gm21aa 10.3.0 for the 1917 and will succeed. I have the 1910 and done this quote a few times. I read the the 1910 is the only one that can be cross flashed but that I have not tested. Flashing didn't really change much in my opinion. Also you won't get any additional lte bands with just by flashing. If you do update and your stock and bootloader is not unlocked then you cannot downgrade unless you do get your bootloader unlocked

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