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I need an force unlock solution of bootloader for a Motorola Nexus 6

I need an force unlock solution of bootloader for a Motorola Nexus 6
Please help me with a force unlock of bootloader from a motorola nexus 6
I need this solution, for downgrade adnroid 7.0 to another android.

Adb doesn't work?

http://forum.xda-developers.com/nexus-6/general/how-to-nexus-6-one-beginners-guide-t2948481

I don't think you can downgrade your bootloader, I think the only way is to install the next developer preview bootloader and then you would be able to downgrade it to an earlier version

CF autoroot has bootloader unlock option. worked for me when I had to unlock my bootloader after nougat OTA update in order to root.

caballon said:
Adb doesn't work?
Click to expand...
Click to collapse
you can not unlock a bootloader with adb. you need fastboot.

simms22 said:
you can not unlock a bootloader with adb. you need fastboot.
Click to expand...
Click to collapse
adb work fine, fastboot work fine
My phone is in factory reset protection, and that's why I don't have access to the menu to access the developer options, usb debuging and other necessary .

caballon said:
Adb doesn't work?
Click to expand...
Click to collapse
adb work fine, fastboot work fine
My phone is in factory reset protection, and that's why I don't have access to the menu to access the developer options, usb debuging and other necessary .

On n OEM unlock should be activated by default, what happens if you fastboot flash n factory image step by step with no simcard inside?

does booting into fastboot and type fastboot oem unlock not work?

Otherwise there are a bunch of YouTube bypass frp videos, did you try anything?

bombonel said:
adb work fine, fastboot work fine
My phone is in factory reset protection, and that's why I don't have access to the menu to access the developer options, usb debuging and other necessary .
Click to expand...
Click to collapse
Didbyou check setting developer mode unlock option!
OEM UNLOCKING OPTION

bombonel said:
adb work fine, fastboot work fine
My phone is in factory reset protection, and that's why I don't have access to the menu to access the developer options, usb debuging and other necessary .
Click to expand...
Click to collapse
what the heck is factory reset protection???
ypu have to enable the developoptions manually, then set it tp allow oem.

simms22 said:
what the heck is factory reset protection???
ypu have to enable the developoptions manually, then set it tp allow oem.
Click to expand...
Click to collapse
He has a N6 where he's locked out of the device and unable to activate it. Either he forgot the email addy and password he used to activate it, or he purchased a phone from someone else and got locked out because that someone else didn't remove their account from the device prior to selling.
In any event, his legit options are to try and remember the email and password used, or to try and get the seller to remove their account from the phone. Otherwise he'll have to try and bypass the FRP.

YoshiFan501 said:
does booting into fastboot and type fastboot oem unlock not work?
Click to expand...
Click to collapse
This command not work, the answer for this command is failed

simms22 said:
what the heck is factory reset protection???
ypu have to enable the developoptions manually, then set it tp allow oem.
Click to expand...
Click to collapse
as you do the factory reset bypass protection, you need to do a downgrade to an older version android, then bypass, and update to the latest version

caballon said:
Didbyou check setting developer mode unlock option!
OEM UNLOCKING OPTION
Click to expand...
Click to collapse
I don't have access to the menu for access the developer options
I need a solution for force unlocked bootloader, for downgrade android version 7.0 to an older version of android, for bypass factory reset protection

coremania said:
Otherwise there are a bunch of YouTube bypass frp videos, did you try anything?
Click to expand...
Click to collapse
I tried all solutions for bypass and other sources after youtube, but as the nexus the whole time comes the first time Android the newest and latest security patch, if I remember correctly at the October 5th when it came out the official version 7.0

@bombonel: With Factory Reset Protection in play you must know the email address and password used on the phone in order to progress in the setup. Entering into the bootloader in the phone's current state and attempting to unlock the bootloader using fastboot will not work. Unless you can get into Android and toggle the Enable OEM Unlock option in the hidden Developer Options menu you will not be able to unlock the bootloader.
Your available options are as follows.
You need to know the email and password used on the device.
If the device was purchased used from another person, you need to contact that person and have them remove the device from their account.
You need to start looking at methods of bypassing Factory Reset Protection.

Strephon Alkhalikoi said:
He has a N6 where he's locked out of the device and unable to activate it. Either he forgot the email addy and password he used to activate it, or he purchased a phone from someone else and got locked out because that someone else didn't remove their account from the device prior to selling.
In any event, his legit options are to try and remember the email and password used, or to try and get the seller to remove their account from the phone. Otherwise he'll have to try and bypass the FRP.
Click to expand...
Click to collapse
I talked to the person from whom I bought the phone arrived in this State, the person from whom I got did not know how long does factory reset after 5 minutes of thought got stuck and enter to recovery ans wipe data and cache wipe, having the account and all saved and knowing that the first boot takes thought and got stuck and to give it to me , started that night fix to change the password to your gmail account and deleted and sync and all of his account and the phone became useless. Because it communicates with google server over the internet, but only synchronized with the old account and no password only, and tried to contact the folks at google and with whom you can, but make no result if the wrong person irreparably.

OEM Unlock is on... but returns as "disabled"

I had to get a new Nexus because I lost my previous one. Now I'm trying to root this one but I can't seem to get the OEM Unlock setting to work. I've rebooted it, factory reset it, enabled/disabled the option countless times, enabled/disabled USB debugging... nothing. Google doesn't seem to have an answer either. Anyone has any idea what's going on? Or if there's another way to unlock this setting?
Thanks for your time!

Just to clarify, are you actually attemping to unlock it? You have to first enable that option in developer settings, but you still have to put the phone in bootloader mode and run the command "fastboot oem unlock", then use the buttons on the phone to confirm it. I think all your data wipes first time you unlock your bootloader too so just be careful.

SilverSix said:
I had to get a new Nexus because I lost my previous one. Now I'm trying to root this one but I can't seem to get the OEM Unlock setting to work. I've rebooted it, factory reset it, enabled/disabled the option countless times, enabled/disabled USB debugging... nothing. Google doesn't seem to have an answer either. Anyone has any idea what's going on? Or if there's another way to unlock this setting?
Thanks for your time!
Click to expand...
Click to collapse
Depending the Android build installed, sometimes the option has been greyed out. Don't know why...
You said you tried to get the "OEM unlock" slider working... But did you try issuing the unlock command in bootloader?
Good luck...

Yeah, I'm aware it wipes your device. Also, don't burn me but I was using a Toolkit to start the process but I just gave up and did it the old fashioned way. After restarting into bootloader and sending the fastboot command it prompted the question to unlock it, so everything went smoothly.
Somewhere I had read that Android purposely locks OEM unlocking after n reboots, and I thought I was completely out of luck, but everything went smoothly. Thanks for your time!

Unlock Pixel Bootloader

Hello all!
Recently I bought a Pixel 4 XL on ebay. Loving the phone, however it turned out to be from AT&T. When it arrived I had a lot of issues, the SIM I use on Spain wouldn't work, and the 2x camera didn't work as well. After a bit of research I find a way to fix those 2 problems, but now I want to flash magisk to improve motion sense gestures, however I can't unlock the Bootloader. I think if I can find where that information about the Bootloader is stored I could try to modify it through the computer. It must be somewhere on the phone, so if I find the file I can unlock it. If anyone has any idea, please let me know.
Thanks in advance

@mcl Enable oem unlocking. It's greyed out in your screenshot you posted. Try enabling developer options and USB debugging on phone, disable any lock screen you have set up, set lock screen to NONE in security settings on phone aaaannd change default USB configuration from "charging" to "transfer files" then plug it up to you computer with latest ADB and Fastboot installed and attempt to unlock your bootloader by typing in terminal: sudo adb reboot bootloader (enter) watch your phone close and if a small box pops up when you do this or when you first connect to PC pc
Checkmark it rreally quickly on your phone screen. That allows PC to communicate with your device, send commands, etc...If all has gone well up to now you should now be in "Fastboot mode" aka: bootloader mode on your phone screen. A black screen with "Fastboot mode" in red letters and the word "START" kinda in center of your screen on phone. Now just go back to terminal and type: sudo fastboot flashing unlock (enter) return to device use volume keys to go up or down and confirm unlocking bootloader by pressing power once on the "yes unlock bootloader" thingy. Soon as you push power to confirm bootloader unlock you will reboot automatically and you will bootloader unlocked. Keep in mind unlocking and locking your bootloader can and will factory reset your device. No pics or anything will be on phone, all will be wiped and there's no way to prevent that. Cheers.
If by some crazy situation something I've mentioned above does NOT work like I've said let me know and I'll help best I can. I use Linux Ubuntu on my laptop 18.04.5 LTS. I stopped using Windows MAAAANNNYYY years ago so I'm inexperienced when it comes to setting up adb and fastboot tools on Windows. I do know that the USB driver's used to always be a real pain in the ass to get right for me. I'd have to reboot by computer a few times and update them in device manager to get it working which I don't have to do anything using Ubuntu my PC just automatically sees my phones. Yay!!!
I hope this helps. Feel free to hmu any time. Remember im on central time in the USA.
To get your enable oem unlocking to become not stuck where it's greyed out like yours is you may have to factory reset your device before you do what I've mentioned above. Just factory reset in settings on your device but afterwards make sure you enable developer options and USB debugging and make sure you flip on the "enable oem unlocking" switch towards the top of developer options on your device

flash713 said:
@mcl Enable oem unlocking. It's greyed out in your screenshot you posted. Try enabling developer options and USB debugging on phone, disable any lock screen you have set up, set lock screen to NONE in security settings on phone aaaannd change default USB configuration from "charging" to "transfer files" then plug it up to you computer with latest ADB and Fastboot installed and attempt to unlock your bootloader by typing in terminal: sudo adb reboot bootloader (enter) watch your phone close and if a small box pops up when you do this or when you first connect to PC pc
Checkmark it rreally quickly on your phone screen. That allows PC to communicate with your device, send commands, etc...If all has gone well up to now you should now be in "Fastboot mode" aka: bootloader mode on your phone screen. A black screen with "Fastboot mode" in red letters and the word "START" kinda in center of your screen on phone. Now just go back to terminal and type: sudo fastboot flashing unlock (enter) return to device use volume keys to go up or down and confirm unlocking bootloader by pressing power once on the "yes unlock bootloader" thingy. Soon as you push power to confirm bootloader unlock you will reboot automatically and you will bootloader unlocked. Keep in mind unlocking and locking your bootloader can and will factory reset your device. No pics or anything will be on phone, all will be wiped and there's no way to prevent that. Cheers.
If by some crazy situation something I've mentioned above does NOT work like I've said let me know and I'll help best I can. I use Linux Ubuntu on my laptop 18.04.5 LTS. I stopped using Windows MAAAANNNYYY years ago so I'm inexperienced when it comes to setting up adb and fastboot tools on Windows. I do know that the USB driver's used to always be a real pain in the ass to get right for me. I'd have to reboot by computer a few times and update them in device manager to get it working which I don't have to do anything using Ubuntu my PC just automatically sees my phones. Yay!!!
I hope this helps. Feel free to hmu any time. Remember im on central time in the USA.
To get your enable oem unlocking to become not stuck where it's greyed out like yours is you may have to factory reset your device before you do what I've mentioned above. Just factory reset in settings on your device but afterwards make sure you enable developer options and USB debugging and make sure you flip on the "enable oem unlocking" switch towards the top of developer options on your device
Click to expand...
Click to collapse
Hey thanks for the very detailed guide, however I run into a few problems. First I factory reset(also, after that it wouldn't allow me to enable OEM unlock) the device and disable any lock screen, as you told me and set the usb configuration to data transfer. Later I enable USB Debugging and checked the box to allow my computer to connect to the phone. Finally I run the command to reboot into the boot loader, which worked but the 2 command, to unlock the bootloader show an error(see screenshot). Any idea what could have happened?
I tried this on my MacbookPro 13" Late 2013 with Catalina and the latest version of ADB from google. The phone is running android 11, with the July security Patch.

#mcl said:
Hey thanks for the very detailed guide, however I run into a few problems. First I factory reset(also, after that it wouldn't allow me to enable OEM unlock) the device and disable any lock screen, as you told me and set the usb configuration to data transfer. Later I enable USB Debugging and checked the box to allow my computer to connect to the phone. Finally I run the command to reboot into the boot loader, which worked but the 2 command, to unlock the bootloader show an error(see screenshot). Any idea what could have happened?
I tried this on my MacbookPro 13" Late 2013 with Catalina and the latest version of ADB from google. The phone is running android 11, with the July security Patch.
Click to expand...
Click to collapse
Honestly I have no idea. What I know is Linux and what's worked for me. My first assumption is that adb and fastboot need to be updated to the latest release if they are not at this time. That error you are showing in terminal sounds like something is wrong either maybe in your USB cable connecting to your PC or it needs to be updated ooorrr it's some sort of USB driver issue. Unless we are both crazy and somehow your device was already rooted and has an unlocked bootloader and that's how it was when you purchased it used online.. Download a root checker app and see what it says maybe. Also try booting stock recovery and factory reset front it and then reboot and see if anything changes...I know absolutely NOTHING about MacOS or OSX or anything otter than Linux because that's what I've used for eight or nine years now. I'm attaching a picture of my current updated adb and fastboot tools to show what latest release is. Maybe try different ports and USB cables just to see if anything changes. You are running the bootloader unlock command as root correct?
Adb and fastboot latest version: 31.0.3-7562133
I updated mine yesterday to that version from here: https://developer.android.com/studio/command-line/sdkmanager

You are doing everything exactly how it shows here:: https://www.xda-developers.com/google-pixel-4-root-magisk/ ?
and using the latest adb and fastboot on PC? Does Mac have to have any extra USB driver's like Windows needs to allow fastboot and adb to work or.no? I guess you would know that just type : sudo adb devices (enter)with phone plugged in and on. Maybe reboot bootloader/fastboot mode and run: fastboot devices (enter) and see if your terminal replies with your phones serial number in your terminal? If it does not than something isn't correctly setup because this should work. Did you use homebrew to setup platform tools on your Mac or no? Usually when I can't figure something ike this out it's the most random basic thing like a reboot or something and BOOM it works. Try running the commands again from your PC and see if anything happens. If you can type ./adb devices then hit enter while you are plugged in and slap a pic up of what it tells you like you did before. This is all stuff I would do if I were in the situation that you're in. I'm going to read up more on Mac now. You said you factory reset your device in settings on phone and the greyed out "enable oem unlocking" didn't change to where you can tap the switch and choose to either enable it or not? If it did not change after factory reset and maybe trying factory reset in stock recovery then it sounds like something else could be wrong with your device. I believe you will figure it out. When you did the while process did you ever checkmark a pop up box on phone screen whole you were plugged in to your PC??

Hey!
Ok so first I downloaded the latest ADB for Mac, but I am unsure of the version I have of Fastboot. Do I need to update it on the phone or download something else? What I did was download the latest version of the SDK from Google to my Mac as you show me on the screenshot, and on their webpage they say I don't need to do anything else, like installing USB drivers on windows. Also if I run Fastboot devices command I can see my phone on the terminal. The cable is working I think, but I may try to change it just in case and also change the port I am using. Also I downloaded and app to check if the device is rooted, and unfortunately it isn't. I will boot into recovery and try to do a factory reset from there, but I don't believe it will work as I believe I already try that before.
The commands I run correct, just copy and paste what you wrote before and the computer asked me my user password. However I didn't use homebrew at any moment, directly downloaded the SDK from google and got a zip file, then extracted it to my desktop and open a terminal window, then use cd to get to that folder directory as I used to do in my Windows PC and start using the commands. Until now it worked great because in order to get my SIM working I needed to use ADB to uninstall an app that came with phone, otherwise my SIM wouldn't work, as theoretically the phone should only accept only AT&T SIM, but I am currently using a Vodafone SIM. Also I am leaving a screenshot of what you asked me.
Yeah after factory reset I doesn't allow me to enable OEM Unlock, still grey out.
Finally yes, when I plugged my phone into the computer I got a window asking to allow the computer to connect to phone to debug, and I allow it.
Sooo here is what I think is happening. This phone was bought by someone at an AT&T store. Then the guy sold the phone and I ended up buying it. The problem, according to my findings, are that carriers usually lock down the bootloader and for you to get it unlocked you need to talk with them. Obviously I can't do that, as I would have to do an international call, and I don't even know if the buyer end the payment of the phone. I already got into AT&T webpage and try to get the phone unlock but get always and error. So researching more I found a command that you can use on Fastboot mode, "Fastboot flashing get_unlock_ability"(enter) and the result I got was 0. According to this page, if you get 0 means you need to go on settings and enable OEM unlocking, which changes the value from 0 to 1. So what I need to do is to find where this info is stored, which I suppose is on the bootloader partition, as on Fastboot mode it was able to tell me the value. Once I find it I just need to change it to 1, and then I would be able to unlock the bootloader.
Also thanks for all the help until now, I really appreciate it

I may try this on other OS just in case. Do you know if I can do this on Kali Linux? I already have it download ed but never try it.

#mcl said:
I may try this on other OS just in case. Do you know if I can do this on Kali Linux? I already have it download ed but never try it.
Click to expand...
Click to collapse
Pretty sure you can. I've never used Kali , yet but I've used ARC, Morrodoca, Ubuntu, Mint and Fabian and tried a few of the super private distros as well. Pretty cool! Linux rules and is made for this.
I almost said something about carriers encryption bootloader's on devices when we started this but idk I assumed it was a factory unlocked unit. I've had to repeat commands more than once before and things have ended up working. Worth a shot.
I say if you can't get it sell it online and grab a factory unlocked model. If the carrier encrypted the bootloader I don't believe it's possible to get it out of that without their code ever used to do it. Then again I do recall another Pixel model that Google was actually sending users refurnished units that had encrypted bootloader's. That would have really pissed me off. I believe Pixel 2/2XL was that way. But the Pixel 2XL/2 that Verizon sold , Verizon locked the bootloaders and for a long time there was no possible way to get around it. I recall reading many posts all over about people buying them and being told they were unlocked Pixels only to discover later they had encrypted bootloader's and Verizon did it. Shortly after this someone on XDA found a way to bypass it and unlock bootloader and root rge Verizon encrypted models but the phones had to be on a specific older firmware and if they'd been updated past it it didn't work. I'll go find this thread and link you. May have some good info but unless you come up with a back to get around it if bootloader has been locked bt carrier I believe it's a no go. Also careful because messing with encrypted things can cause your device ti bootloop and seeing how your NOT bootloader unlocked that wouldn't be good if that happened. I'll go find this link to what I'm referring to. Brb.
Here was the work round for Verizon for a while on Pixel 2 that had been carrier bootloader locked: https://www.xda-developers.com/how-to-unlock-bootloader-verizon-google-pixel-xl-running-android-10/
Actually this is Pixel 2XL, was P2 work around for this: https://forum.xda-developers.com/t/...-google-ver-refurb-devices-look-here.3763443/

Pixel 2XL some users report they had to be connected to the net to toggle their allow oem unlocking switch in dev options. On 4XL one of the "How to Root, unlock .." threads says if it's greyed out that factory resetting is mandatory to allow the ability to enable oem unlocking switch.. A couple people claimed once they reset they could flip it. Also I have also read where people used different bootloop unlocking terminal commands and they worked. On 4xl and older Pixies. How long have you had fastboot already installed to your MacBook? Only reason I ask is they must be manually updated or sometimes will not work right. I've had that happy once. Linux has a very similar adb and fastboot tools install as Mac does. I did this process I'm about to mention yesterday to get my adb and fastboot updated because I saw it was on a previous version. I just grab the adb and fastboot from my screenshot from like I posted back some posts ago here then go to where I have adb and fastboot installed already open terminal where I've downloaded and extracted fastboot and adb on PC and reinstalled adb and fastboot using these commands:
sudo install adb dmtracedump e2fsdroid etc1tool fastboot hprof-conv make_f2fs mke2fs mke2fs.conf sload_f2fs sqlite3 /usr/local/bin (Enter)
sudo mkdir -p /usr/local/lib64 (enter)
sudo install lib64/libc++.so /usr/local/lib64 (enter)
Then make sure it did it's thing and updated property. sudo adb --version (enter)
sudo fastboot --version (enter)
And it showed newer version of both so done. I use Nathanchnace's Pixel 2xl guide to learn this at first from here in his op:
[GUIDE] Unlock/Flash/Root for the Pixel 2 XL (taimen)
Introduction Hello everyone, this is a guide to assist you with customizing your Pixel 2 XL! I will be going over installing fastboot and adb, unlocking your bootloader, how to flash the factory images for clean flashes and upgrades, and how to...
forum.xda-developers.com

flash713 said:
Pretty sure you can. I've never used Kali , yet but I've used ARC, Morrodoca, Ubuntu, Mint and Fabian and tried a few of the super private distros as well. Pretty cool! Linux rules and is made for this.
I almost said something about carriers encryption bootloader's on devices when we started this but idk I assumed it was a factory unlocked unit. I've had to repeat commands more than once before and things have ended up working. Worth a shot.
I say if you can't get it sell it online and grab a factory unlocked model. If the carrier encrypted the bootloader I don't believe it's possible to get it out of that without their code ever used to do it. Then again I do recall another Pixel model that Google was actually sending users refurnished units that had encrypted bootloader's. That would have really pissed me off. I believe Pixel 2/2XL was that way. But the Pixel 2XL/2 that Verizon sold , Verizon locked the bootloaders and for a long time there was no possible way to get around it. I recall reading many posts all over about people buying them and being told they were unlocked Pixels only to discover later they had encrypted bootloader's and Verizon did it. Shortly after this someone on XDA found a way to bypass it and unlock bootloader and root rge Verizon encrypted models but the phones had to be on a specific older firmware and if they'd been updated past it it didn't work. I'll go find this thread and link you. May have some good info but unless you come up with a back to get around it if bootloader has been locked bt carrier I believe it's a no go. Also careful because messing with encrypted things can cause your device ti bootloop and seeing how your NOT bootloader unlocked that wouldn't be good if that happened. I'll go find this link to what I'm referring to. Brb.
Here was the work round for Verizon for a while on Pixel 2 that had been carrier bootloader locked: https://www.xda-developers.com/how-to-unlock-bootloader-verizon-google-pixel-xl-running-android-10/
Actually this is Pixel 2XL, was P2 work around for this: https://forum.xda-developers.com/t/...-google-ver-refurb-devices-look-here.3763443/
Click to expand...
Click to collapse
OK thanks! Yeah I saw a few things only about the Pixel 2 Verizon case, but I am going to have a deep look into it. I can't sell this phone and buy an unlocked version, I bought this one because it was over 100 euros cheaper than what I could found here on Europe, so that's not an option.
Also, If I manage to use a Vodafone SIM on this AT&T phone without unlocking I am confident I will manage to find a way to fix the locked bootloader. It may take time and effort, but I will keep trying.
Right now I found there are ways to get root without unlocking the bootloader, its safer but posible. And if I get root access I am confident I would be able to unlock the bootloader. Anyway thanks for all!!!

flash713 said:
Pixel 2XL some users report they had to be connected to the net to toggle their allow oem unlocking switch in dev options. On 4XL one of the "How to Root, unlock .." threads says if it's greyed out that factory resetting is mandatory to allow the ability to enable oem unlocking switch.. A couple people claimed once they reset they could flip it. Also I have also read where people used different bootloop unlocking terminal commands and they worked. On 4xl and older Pixies. How long have you had fastboot already installed to your MacBook? Only reason I ask is they must be manually updated or sometimes will not work right. I've had that happy once. Linux has a very similar adb and fastboot tools install as Mac does. I did this process I'm about to mention yesterday to get my adb and fastboot updated because I saw it was on a previous version. I just grab the adb and fastboot from my screenshot from like I posted back some posts ago here then go to where I have adb and fastboot installed already open terminal where I've downloaded and extracted fastboot and adb on PC and reinstalled adb and fastboot using these commands:
sudo install adb dmtracedump e2fsdroid etc1tool fastboot hprof-conv make_f2fs mke2fs mke2fs.conf sload_f2fs sqlite3 /usr/local/bin (Enter)
sudo mkdir -p /usr/local/lib64 (enter)
sudo install lib64/libc++.so /usr/local/lib64 (enter)
Then make sure it did it's thing and updated property. sudo adb --version (enter)
sudo fastboot --version (enter)
And it showed newer version of both so done. I use Nathanchnace's Pixel 2xl guide to learn this at first from here in his op:
[GUIDE] Unlock/Flash/Root for the Pixel 2 XL (taimen)
Introduction Hello everyone, this is a guide to assist you with customizing your Pixel 2 XL! I will be going over installing fastboot and adb, unlocking your bootloader, how to flash the factory images for clean flashes and upgrades, and how to...
forum.xda-developers.com
Click to expand...
Click to collapse
The SDK I downloaded this week, Monday I think, so it should be up to date, but I will make sure to check if this is the case. If you get any idea on how to unlock the bootloader, please let me know

Also if anyone was able to unlock a Pixel 4/Pixel 4 XL from any carrier, let me know how you did, maybe I can replicate the process and unlock my bootloader too!

#mcl said:
Also if anyone was able to unlock a Pixel 4/Pixel 4 XL from any carrier, let me know how you did, maybe I can replicate the process and unlock my bootloader too!
Click to expand...
Click to collapse
@#mcl
Not gonna happen. Sorry to hear you got a carrier locked AND bootloader locked phone. Unfortunately there is nothing you can do. There are some shady online unlockers that claim to be able to do this remotely (remote unlock) but you will probably be ripped off.

Question S21 Ultra SM-G998B

Dear Friend,
I am having issue with S21 Ultra which i purchase just 2 months ago.
I decide to make my device root able , then i have notice that there is no OEM Lock option (Missing) in developer mode.
After searching XDA forum and Google all the setups mention there i have tried to visible OEM Unlocker option but OEM lock option never visible. Even flash stock rom again and again and wait for 168H but still its not visible.
When i go in download mode and try to flash TWRP or any custom rom it show below mention msg.
"Cause
No sign info: (Recovery)
Custom Binary (Recovery) due to remaining installment balance"
Can any one guide me what is the issue, i had purchase this product with Full payment then why it is behaving so strange.

google is best friend please add him to your friend list
reboot to download mode(connected phone to pc, reboot and hold vol+ and vol-) and read first screen options:
EDIT: sorry if you cant see these option list, there could be something different in your case.

Very srtange situation. I have exact same model.

vlubosh said:
google is best friend please add him to your friend list
reboot to download mode(connected phone to pc, reboot and hold vol+ and vol-) and read first screen options:
View attachment 5580147
EDIT: sorry if you cant see these option list, there could be something different in your case.
Click to expand...
Click to collapse
Thanks brother for your prompt response , i tried this but issue remain same

Samaly01 said:
Thanks brother for your prompt response , i tried this but issue remain same
Click to expand...
Click to collapse
Can you boot the phone? Try fastboot oem device-info to check what state od BL is.

vlubosh said:
Can you boot the phone? Try fastboot oem device-info to check what state od BL is.
Click to expand...
Click to collapse
Phone is booting ...no issue in that ....Fastboot not working in s21 Ultra g998b....

Samaly01 said:
Phone is booting ...no issue in that ....Fastboot not working in s21 Ultra g998b....
Click to expand...
Click to collapse
Allow usb debugging in dev.settings

vlubosh said:
Allow usb debugging in dev.settings
Click to expand...
Click to collapse
USB debuggin already allowed ....ADB command work but not fastboot

Samaly01 said:
USB debuggin already allowed ....ADB command work but not fastboot
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I think you need to have a SIM card in there and to have internet access to see the OEM unlock toggle. Do both of these things apply to you?

Macusercom said:
I think you need to have a SIM card in there and to have internet access to see the OEM unlock toggle. Do both of these things apply to you?
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SIM Card is installed both WIFI and Data is working but issue remain same.

Samaly01 said:
SIM Card is installed both WIFI and Data is working but issue remain same.
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Try disabling the automatic date and time and set the date to a day at least one week from now

I have observe a very strange thing, when ever I reboot the device and visit develope option Oem Locker appear then again revisit to developer option it disappear again. Only rebooting device option bring oem option just for few minutes.

so then, when you see unlock option reboot right to DL mode and look if you see device unlock

vlubosh said:
so then, when you see unlock option reboot right to DL mode and look if you see device unlock
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Still same issue
"Cause
No sign info: (Recovery)
Custom Binary (Recovery) due to remaining installment balance"

Someone suggested to use Samsung combination file, after searching on google there are only 3 Combination files available U1, U2, U3.
Latest file available is COMBINATION_FAC_FAR0_G998BXXU3AUD3
( I think this not usable on Android 12 version (U4)
Please suggest what option i have left to resolve above mention issue.

Could you try to flash latest Stock rom(Via odin) and try again?

Latest Firmware (SM-G998B_BTU_G998BXXU4CVC4) Flash via Odin...Result same

Found this, maybe your case
Custom binary blocked due to remaining installment balance galaxy
Hi, I recieved my S21 Ultra yesterday and sucessfully rooted it using the guide/youtube tutorial. Today, I restarted the device and upon restarting it would go into a bootloop with a small message on top saying: 'Custom binary blocked due to...
forum.xda-developers.com

vlubosh said:
Found this, maybe your case
Custom binary blocked due to remaining installment balance galaxy
Hi, I recieved my S21 Ultra yesterday and sucessfully rooted it using the guide/youtube tutorial. Today, I restarted the device and upon restarting it would go into a bootloop with a small message on top saying: 'Custom binary blocked due to...
forum.xda-developers.com
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Click to collapse
Thanks Brother, but issue is same mine.... no solution

checke my stats in DL mode:
KG state checking
FRP lock off
OEM lock OFF(u)
Warranty void 1
HDM status none
I think you problem is in KG state.
Maybe try to change date as in this tutorial:

Pixel 5 - Removal from Beta 13 - Corrupt Error

So.... I removed my Pixel 5 form the beta 13 program, selected update on the devices and had it download Android 12 a few weeks back. On reboot I get the "device is corrupt" error with visit the g.co/ABH link. If I hit the power button that error loops, and trying a hard / factory reset does nothing.
I tried several of the steps but since I cannot get into Dev mode to unlock the bootloader I'm kind of stuck.
The most I have been able to do is with the rescue tool, but that throws a "software on device is newer then this tool" error and wont go forward.
Any suggestions? Should I just send in to a repair shop? Or move on?

I heard from a friend yesterday that this happens with USB C to USB C. Try an A or B port and sideload the OTA

xunholyx said:
I heard from a friend yesterday that this happens with USB C to USB C. Try an A or B port and sideload the OTA
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Tried both types of cables, no luck...

grmacd said:
Tried both types of cables, no luck...
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As recommended by @xunholyx try sideloading the OTA, if you're able to get into recovery.
If you didn't have OEM unlocking enabled in Developer Options, you might be SOL.

V0latyle said:
As recommended by @xunholyx try sideloading the OTA, if you're able to get into recovery.
If you didn't have OEM unlocking enabled in Developer Options, you might be SOL.
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Click to collapse
Yeah since the OEM unlock was not in place before the beta downgrade was triggered and failed, I can't get into the OS to turn it on. So SOL I bet

grmacd said:
Yeah since the OEM unlock was not in place before the beta downgrade was triggered and failed, I can't get into the OS to turn it on. So SOL I bet
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Click to collapse
Unfortunate and I feel for you.
It's generally advisable to always unlock the bootloader when running any kind of beta software, just because of this eventuality - if something goes wrong, you need to have a way to recover the device.

grmacd said:
Yeah since the OEM unlock was not in place before the beta downgrade was triggered and failed, I can't get into the OS to turn it on. So SOL I bet
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Click to collapse
You should be able to boot to recovery from the bootloader

I can boot to recovery, but the software wont sideload since the boot locker is locked.
My one hope is the fact Rescue mode on the web is throwing "software on the device older then this tool" so I am hoping once that gets a newer version I will be ok. So into the drawer it goes...

But you don't need an unlocked bootloader to sideload an OTA....

xunholyx said:
But you don't need an unlocked bootloader to sideload an OTA....
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Click to collapse
Ok... perhaps I will give it another try tomorrow.

grmacd said:
Ok... perhaps I will give it another try tomorrow.
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Click to collapse
Try flashing it a second time when you get the error. A friend is mine had trouble with it and a locked bootloader as well. I don't remember how he fixed it, but I think that that was it. I'll get in touch with him later. I'm at work right now

xunholyx said:
Try flashing it a second time when you get the error. A friend is mine had trouble with it and a locked bootloader as well. I don't remember how he fixed it, but I think that that was it. I'll get in touch with him later. I'm at work right now
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Click to collapse
So this AM I downloaded the newest ZIP file and followed the step on the site - after about 10 minutes presto the phone is back up and running with Android 13! Thanks for your help!