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Cant oem unlock my nexus 6

So before I start I just wanted to say that I have been rooting and installing roms back at the time when I had my galaxy s3, I knew this stuff before upgrading to my nexus 6.
So the problem as you can see on the title that I cant unlock the oem option, means I cant unlock my bootloader, but there is a twist.
When I bought my nexus, I remember it was 5.0, and there was an update to 5.1, the update was OTA, and I remember the update had problems, it couldn't finish and the phone stayed on 5.0 and you could not
update to 5.1 unless you flash 5.0 again. So I unlocked my bootloader back at the time, and installed 5.0 all over again, and everthing was fine until now(now I am on 7.0)
Now I want to root my phone and install things and I cant do that, because of the oem options, but when i go into fastboot it says device is unlocked, and when I turn my phone on under the google sign there is small open lock sign that I know tells the bootloader is unlocked.
So there is my problem, I cant root it and so on, very sorry of the long post but I think it was necessary so I could explaine my problem.
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Not quite sure what your problem is. Your bootloader is already unlocked, you just flash twrp via faatboot
Code:
faatboot flash recovery nameoffile.img
then flash SuperSU. If it asks for a password, or you can't find any files on your device in twrp, that means you're encrypted, and will have to completely wipe data on device. You do that by hitting cancel (if it's asking for a password) then go to wipe. Then select format. You'll have to type yes. Now you'll be unencrypted.
As a side note, you may be able to get away with just flashing twrp, and then sideloading the SuperSU zip

dictionary said:
Not quite sure what your problem is. Your bootloader is already unlocked, you just flash twrp via faatboot
Code:
faatboot flash recovery nameoffile.img
then flash SuperSU. If it asks for a password, or you can't find any files on your device in twrp, that means you're encrypted, and will have to completely wipe data on device. You do that by hitting cancel (if it's asking for a password) then go to wipe. Then select format. You'll have to type yes. Now you'll be unencrypted.
As a side note, you may be able to get away with just flashing twrp, and then sideloading the SuperSU zip
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Thank you very much, apparently it worked even if the oem option is not available, hope I wont get into more troubles.

Need urgent help! Didn't OEM unlock in Dev and now stuck!!

Ok, so got my brand new shiny Oneplus 3T yesterday after waiting aged for it to come in.
Using it for a bit, noticed an OTA update to nougat came out (about 900mb) which downloaded in the background.
Triggered the upgrade, now the phone won't boot. I'm also having trouble installing any recovery roms on to it, because I was never intending to root the phone in the first place, and as a result didn't unlock the bootloader using the phone interface when it was on.
So now, it appears I'm stuck! My phone won't accept any side-load roms, (fails), full roms don't read (cannot open file) and fastboot won't unlock the bootloader (Not allowed)
....um.. not having a clue what I'm doing here....help???
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try going to stock oxygen recovery. wipe data and cache there. see if it boots.
try the unbricking thread too.
if all else fail, call OP customer service.
let us know what happens.

To fix it - see "[UNBRICK] Unbrick Tutorial For The OnePlus 3T!!!!!!!! by Harris K". You have to download his two files onto a laptop or desktop computer and install a qualcomm driver (one of the files). The qualcomm driver will open a serial port into the phone's chipset. The other file will download a stock system, recovery, and fastboot to your phone through the qualcomm serial port. Harris is a genius, buy him a beer. This will fix the following problems.
1) It sounds like the OTA patch screwed up your /system where it doesn't even try to boot. You can still boot into /recovery and /fastboot but just not into /system. Since the phone is still "locked" (flashing prohibited) you cannot flash anything to fix it.
2) dm-verity does not allow any changes to /system. dm-verity checks a hash of hashes of /system. If the hash check fails when you boot /system, dm-verity will "brick" your phone (by design) leaving you with a black screen.
The OTA updates the system and downloads a hash key corresponding to that version. After the OTA, everyone has to end up with exactly the same system in order to pass the dm-verity check.
When you enable flashing (called "unlocking the bootloader") dm-verity will wipe /data to prevent someone from flashing a non-stock recovery to access your data.

infamousvincci said:
try going to stock oxygen recovery. wipe data and cache there. see if it boots.
try the unbricking thread too.
if all else fail, call OP customer service.
let us know what happens.
Click to expand...
Click to collapse
Ok, so went to the unbricking thread. The tool worked! I'm back up and running

bunburyist said:
Ok, so went to the unbricking thread. The tool worked! I'm back up and running
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I deserve a thank you button haha

[solved] xiaomitool problem, help!

Hello,
I have a new Mi Max 2, can not link the account on the phone, to unlock the bootloader, I read that to solve the error 68006 it was necessary to install a global dev. What I did with xiaomitool. Catastrophe, he never wanted to restart normally, since 3 hours he is on the MI logo. I tried to reboot, wipe all data, etc., always the same. It is recognized by the PC, it goes into recovery stock mode, EDL mode, but that's it. i need help my friends.
Sorry for my bad english

you need to go back to bootloader mode and flash again a dev rom (choose fastboot type).
link example for 7.12.8 (december version) : http://bigota.d.miui.com/7.12.8/oxy....8_20171208.0000.00_7.1_global_93a8045184.tgz
more information in this thread : http://en.miui.com/thread-1273027-1-1.html

Thank you for your answer. if I translated well, it seems that it must have the unlocked bootloader to use this method or mine is blocked, I try anyway?

you can flash a global dev rom with locked bootloader (in fastboot mode).
unlocking bootloader can be your next step.
good luck...

thanks I will try. With xiaoMiflash?

yes, miflash can do that, it contains also the fastboot program.
You've got also batch files in the zip (just unzip on your hard disk before) to do the job.
depending of your operating system, they are called flash_all_except_storage.sh or flash_all_except_storage.bat.
very simple, connect your mobile in fastboot mode and launch your batch as administrator.

it did not work. My pc is in Seven so I do not know if I took it well.
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:error: FAILED (remote: device is locked. cannot erase

Ok, it's cool :good: I managed via xiaomitool (hey yes, lol) I tested the FastFlash mode, with the phone plugged into Mi assistant (LED) he offered me the choice between several rom, I chose global dev first and second choice, then go. it took at least 30 minutes to work and the phone restarted, yoooouppi!
So awesome! I immediately tested to link my account to unlock the bootloader, cool no error message :good: then Miflash Unlock, 72 hours of waiting.
The installed rom is Miui Global 7.12.21 Beta.
There is more to wait for the release. In any case, thank you for your help. Happy Holidays

you're welcome.
You can go ahead with twrp and root now, enjoy...

yes, there are only a few hours left to unlock the bootloader, rooter and install twrp. By cons I did not find the Updater in Tools, or elsewhere?

lightman33 said:
you're welcome.
You can go ahead with twrp and root now, enjoy...
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androik said:
yes, there are only a few hours left to unlock the bootloader, rooter and install twrp. By cons I did not find the Updater in Tools, or elsewhere?
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Click to collapse
Do we need to be on the developer ROM to unlock bootloader?

Aaron26 said:
Do we need to be on the developer ROM to unlock bootloader?
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it is rather while one is in stock rom that unlock the bootloader, usually

I have flashed a global BETA before unlocking. If I remember well, it 's a step in the xiaomi howto, maybe it also works with stock rom but I don't know and can't help you more, sorry.

"Can't find valid operating system" on a locked bootloader (won't boot into recovery/rescue). Am I screwed?

Exactly the title. Google customer service is beyond useless for this out of warranty phone that I am not the OG owner of.
Anyway to flash ANYTHING without an unlocked bootloader? Goes to fastboot, but that's it. Shows barcode too, but rescue mode bring the image below, recovery mode does the same. I am lost as to what to do.
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matistight said:
Exactly the title. Google customer service is beyond useless for this out of warranty phone that I am not the OG owner of.
Anyway to flash ANYTHING without an unlocked bootloader? Goes to fastboot, but that's it. Shows barcode too, but rescue mode bring the image below, recovery mode does the same. I am lost as to what to do.
View attachment 5668707
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You can try sideloading an OTA if you can get into Recovery mode.
How are you trying to get into Recovery mode?

Lughnasadh said:
You can try sideloading an OTA if you can get into Recovery mode.
How are you trying to get into Recovery mode?
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Click to collapse
Nope, recovery and rescue mode are shot.

matistight said:
Nope, recovery and rescue mode are shot.
Click to expand...
Click to collapse
Unfortunately with a locked bootloader, it may be impossible to recover the device. The only thing you can try yourself is the Pixel Repair Tool.
If that doesn't work, you're going to have to contact Google for support.

V0latyle said:
Unfortunately with a locked bootloader, it may be impossible to recover the device. The only thing you can try yourself is the Pixel Repair Tool.
If that doesn't work, you're going to have to contact Google for support.
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Tried, since there's no recovery or rescue, the tool doesn't work. I need like an emergency bootloader unlock lol. Google won't do anything because I am not the original purchaser.

matistight said:
Tried, since there's no recovery or rescue, the tool doesn't work. I need like an emergency bootloader unlock lol. Google won't do anything because I am not the original purchaser.
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I'm sorry to hear that. It sounds like your only option is to have it repaired...or replace it.

S10 stuck on boot after custom ROM flash

Hi good evening, this is my first post in xda, I've used the forum since my first android back in the htc era, since 7 years I used my s8 with the hadesRom and everything was amazing, then I've broken my beloved s8, really the best smartphone ever, and I've bought an s10 a couple of month ago
Then, yesterday I start to follow the Magisk guide for unlock the bootloader and root my S10 G973F-DS and after it the the one for install the TWRP with the PlayStore method.
Unlocked the bootloader, rooted it, Magisk was installed, then I had the first problem: the internal storage was down to 25gb, I've wiped from recovery data and cache and the storage came back to normal, I've installed the twrp with the appstore method, rebooted to twrp, and wiped again data and cache as said in the hadesRom install guide and then all the system was gone, the twrp refuse to reboot to the stock one so I've tried to flash the HadesRom and now it's stuck in the Samsung GalazyS10 bootup splash screen, it just reboot with Bixby+volumeDown+Power but it always just go back to the splash screen, it doesn't recognize any other button sequence neithe the adb devices recognize it...
can I save it?
Thanks in advance..

Use ODIN to flash latest firmware again. Then use ODIN to flash LineageOS, then install lastest PixelExperience and boot on it. After boot PE, use ODIN again to flash TWRP and flash any rom u like.

Thanks for the answer, but I can't flash anything, it's stuck in this splashscreen, It only reboot with volume- bixby and power, but it just goes back to this one again.
I've tried flashing the orIginal fw, but it's not recognized by Odin so if I start Odin nothing appens actually.
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Samsung Galaxy S10 G973F Test Point – EDL 9008 Mode
By using the Samsung Galaxy S10 G973F Test Point, you can easily restore the stock ROM, bypass FRP lock, or reset user data on your device via UFi Box. In
www.mobilerdx.com
This link may help u