[Q] Is it possibe to flash a new rom with fastboot? - Droid RAZR M Q&A, Help & Troubleshooting

Is it possible to flash a rom via fastboot? bootloader is Locked and im not rooted. fastboot devices returns what looks like a serial number, but adb devices returns nothing...
sorry for being a noob, just trying to get my phone working again. TIA for any help

I am curious about this too. It might be possible with an unlocked bootloader, but I'm not sure.

ImStillLearning said:
I am curious about this too. It might be possible with an unlocked bootloader, but I'm not sure.
Click to expand...
Click to collapse
For stock img files yes. But devs don't make img files. Rsd is the safe way to flash fastboot files.

aviwdoowks said:
For stock img files yes. But devs don't make img files. Rsd is the safe way to flash fastboot files.
Click to expand...
Click to collapse
Tried latest ver of rsd that i could find (6.1.5 i think) but it doesnt read my phone, I have installed drivers.
If its possible to load stock .img files (with locked bootloader) please tell me how to do it. Sorry again for me being complete noob.

BOWTIESNIPER said:
Tried latest ver of rsd that i could find (6.1.5 i think) but it doesnt read my phone, I have installed drivers.
If its possible to load stock .img files (with locked bootloader) please tell me how to do it. Sorry again for me being complete noob.
Click to expand...
Click to collapse
I am no Dev. I do what works on my unlocked M. I do not know much about the locked & RSD.
I do a lot of unconventional stuff.

Is it maybe possible to unlock the bootloader via fastboot

I can still get into the recovery (stock). Any way to flash new rom from there?

No & no.

Related

fastboot for Aussie Razr M 77.176.16.XT905.Telstra.en.AU

Hi all
Just wondering if anyone has a copy of the official Australian Razr M release firmware.
77.176.16.XT905.Telstra.en.AU
Always good to have a fallback system image!
Thanks in advance
wintermute000 said:
Hi all
Just wondering if anyone has a copy of the official Australian Razr M release firmware.
77.176.16.XT905.Telstra.en.AU
Always good to have a fallback system image!
Thanks in advance
Click to expand...
Click to collapse
Hi, I am also looking for the same firmware, managed to root the phone using Motofail2go but unable to use Clockworkmod to backup or load other firmware. Now when I try to Erase the phone I get the AP Fastboot Flash Mode (s) Device is looked Boot Failure. Luckily pressing the power button gets me back to a working phone. I have also unrooted the phone using DoomLord unrooting script but still the same boot up error. I know now the bootloader is locked by Motorola, this is why I need the original Telstra firmware.
I will donate $ 20 by Paypal to anyone that posts a working 77.176.16.XT905.Telstra.en.AU firmware that I can use and fixes the boot issue.
ozsultan said:
Hi, I am also looking for the same firmware, managed to root the phone using Motofail2go but unable to use Clockworkmod to backup or load other firmware. Now when I try to Erase the phone I get the AP Fastboot Flash Mode (s) Device is looked Boot Failure. Luckily pressing the power button gets me back to a working phone. I have also unrooted the phone using DoomLord unrooting script but still the same boot up error. I know now the bootloader is locked by Motorola, this is why I need the original Telstra firmware.
I will donate $ 20 by Paypal to anyone that posts a working 77.176.16.XT905.Telstra.en.AU firmware that I can use and fixes the boot issue.
Click to expand...
Click to collapse
Out of curiosity what CWM did you try to flash?
You do know that you CAN unlock your bootloader right? exact same procedure as Razr I. Yeah the moto website doesn't mention telstra Razr M model blah blah blah it works as confirmed by Ausdroid editor in this thread.
http://forum.xda-developers.com/showthread.php?p=33777574#post33777574
wintermute000 said:
Out of curiosity what CWM did you try to flash?
You do know that you CAN unlock your bootloader right? exact same procedure as Razr I. Yeah the moto website doesn't mention telstra Razr M model blah blah blah it works as confirmed by Ausdroid editor in this thread.
http://forum.xda-developers.com/showthread.php?p=33777574#post33777574
Click to expand...
Click to collapse
Hi I used CWM from Google Play and selected the Motorola Photon Q from CWM, maybe a mistake but no RAZR M was listed.
I registerd on the Motorola site to get the unlock key but there is a quite a process to complete the excersice. Rather just have my stock rom back and forget about rooting for now.
ozsultan said:
Hi I used CWM from Google Play and selected the Motorola Photon Q from CWM, maybe a mistake but no RAZR M was listed.
I registerd on the Motorola site to get the unlock key but there is a quite a process to complete the excersice. Rather just have my stock rom back and forget about rooting for now.
Click to expand...
Click to collapse
I dunno how experienced you are at this so I apologise if I'm getting mixed up here but:
a.) You will NEVER flash ANY RECOVERY aside from stock without unlocking your bootloader, and you don't flash CWM from google play (not even sure what you're referring to!!!). You CAN flash recoveries from rom manager if your bootloader is unlocked and you have root.
b.) The only recovery I've seen around the place confirmed for Razr M (unlocked bootloader) is this one
http://aosp.us/?p=294
If you think the steps in unlocking bootloader is too hard you shouldn't even attempt it. Sorry to say but thats pretty much standard stuff for flashing recoveries etc. !!!! (having drivers installed, using fastboot via command line etc.)
wintermute000 said:
I dunno how experienced you are at this so I apologise if I'm getting mixed up here but:
a.) You will NEVER flash ANY RECOVERY aside from stock without unlocking your bootloader, and you don't flash CWM from google play (not even sure what you're referring to!!!). You CAN flash recoveries from rom manager if your bootloader is unlocked and you have root.
b.) The only recovery I've seen around the place confirmed for Razr M (unlocked bootloader) is this one
If you think the steps in unlocking bootloader is too hard you shouldn't even attempt it. Sorry to say but thats pretty much standard stuff for flashing recoveries etc. !!!! (having drivers installed, using fastboot via command line etc.)
Click to expand...
Click to collapse
Hi Thanks for your help and comments, I have rooted my old HTC Desire using Unrevoked in the past and flashed a Cyanogen mod and a LeeDroid mod without any problems so I thought I would try the RAZR M. Maybe the boot loader was different or not locked. I was able to go into recovery mode and select the cooked zipped roms from the SD card. I can not find any roms for the Aussie RAZR M either, I guess that is what you are looking for and concerned about updating the the JB from for the Verizon version as the radio may be different.
Anyway, the Motorola UI is not so bad and I especially like to start page with the circles. Hopefully JB update will come OTA soon. I hope that the JB update will return my phone to stock and the Bootloader error does not come up anymore. All is fine for now but if I have to wipe my phone and start again I can not do it. Have you ended up using your Motorola unlock code to unlock the boot loader ?
I am not completely a newbie
ozsultan said:
Hi Thanks for your help and comments, I have rooted my old HTC Desire using Unrevoked in the past and flashed a Cyanogen mod and a LeeDroid mod without any problems so I thought I would try the RAZR M. Maybe the boot loader was different or not locked. I was able to go into recovery mode and select the cooked zipped roms from the SD card. I can not find any roms for the Aussie RAZR M either, I guess that is what you are looking for and concerned about updating the the JB from for the Verizon version as the radio may be different.
Anyway, the Motorola UI is not so bad and I especially like to start page with the circles. Hopefully JB update will come OTA soon. I hope that the JB update will return my phone to stock and the Bootloader error does not come up anymore. All is fine for now but if I have to wipe my phone and start again I can not do it. Have you ended up using your Motorola unlock code to unlock the boot loader ?
I am not completely a newbie
Click to expand...
Click to collapse
No waiting for
- backup stock image for obvious reason!
- something to actually flash to appear!
BTW check this thread http://forum.xda-developers.com/showthread.php?p=33789915#post33789915 the comments from apacheo who has confirmed unlock and recovery install (TWRP though not CWM)
wintermute000 said:
No waiting for
- backup stock image for obvious reason!
- something to actually flash to appear!
BTW check this thread http://forum.xda-developers.com/showthread.php?p=33789915#post33789915 the comments from apacheo who has confirmed unlock and recovery install (TWRP though not CWM)
Click to expand...
Click to collapse
Thanks. did you mean now waiting, I guess u could mean either as apacheo has something available ? Looks like apacheo might be getting my $20 via paypal. So with the recommendation from apachio do I still have to unlock the booter. If yes, can this only be done via the Motorola site unlock code?
Will the stock Telstra image from apacheo fix my boot failure issue ? Will I need to have a rooted RAZR M and loader (TWRP) to load the file?
Thanks appreciate your help.
You shouldn't need to unblock bootloader to push the stock image. If its stock you should be able to flash it.
The whole point of unlocking is to be able to push NON OFFICIAL stuff however not having seen that image I can't confirm. e.g. Maybe because he extracted it himself its not signed like an official moto image so you may need to unlock.
If he has extracted a fastboot image it will INCLUDE stock recovery and you flash it via fastboot command line utility. Thats better than a ROM you have to flash with a recovery because it lets you roll back even if you screw your recovery.
All in all, ask him yourself, I'm only speculating based on first principles
BTW android manufacturers have gotten a lot more anal since desire, and yeah back then a lot of stuff was unlocked, now pretty much only Sammy ships unlocked bootloaders. I'd say that back then you could probably unlock the bootloader pretty easily so you don't remember jumping through hoops.
ozsultan said:
Thanks. did you mean now waiting, I guess u could mean either as apacheo has something available ? Looks like apacheo might be getting my $20 via paypal. So with the recommendation from apachio do I still have to unlock the booter. If yes, can this only be done via the Motorola site unlock code?
Will the stock Telstra image from apacheo fix my boot failure issue ? Will I need to have a rooted RAZR M and loader (TWRP) to load the file?
Thanks appreciate your help.
Click to expand...
Click to collapse
The stock recovery img is probably not going to fix your device.. sounds like you probably need the boot image, but how'd you manage to corrupt that?
apacheo said:
The stock recovery img is probably not going to fix your device.. sounds like you probably need the boot image, but how'd you manage to corrupt that?
Click to expand...
Click to collapse
Hi Apacheo, thanks for the reply, my procedure was as per my first post yesterday. Using Clockworkmod Rom Manger app I picked the Motorola Photon Q for Flash Alternate Recovery as this was the only close Motorola phone to the Razr M. (MY BAD) Maybe that was the problem. I tried to back up the existing rom using Clockworkmod but again got the AP Fastboot Flashmode error.
How do I get the boot image and load that? Meanwhile I have unrooted the phone and can use it. Just can't do a factory data reset and start with a new slate if I have to. Just hangs on the AP Fastboot Flashmode (S) black and white Device is locked screen.
Thanks, I was hoping to lose that $20 to u.
Flashing the stock recovery using fastboot is probably the best start.
I'll upload the recovery image and post the URL here. Wait a moment.
Sent from my XT905 using xda app-developers app
---------- Post added at 08:01 PM ---------- Previous post was at 07:56 PM ----------
Here's the stock recovery image:
http://db.tt/A5veTD0u
Sent from my XT905 using xda app-developers app
apacheo said:
Flashing the stock recovery using fastboot is probably the best start.
I'll upload the recovery image and post the URL here. Wait a moment.
Sent from my XT905 using xda app-developers app
---------- Post added at 08:01 PM ---------- Previous post was at 07:56 PM ----------
Here's the stock recovery image:
http://db.tt/A5veTD0u
Sent from my XT905 using xda app-developers app
Click to expand...
Click to collapse
Thanks Apacheo, I assume I can use RSD Lite 5.4.6.4, how to open the 10 MB RAW file ? I know RAW as a picture file from a camera. Does the 10 MB file contain the whole Telstra ROM ?
ozsultan said:
Thanks Apacheo, I assume I can use RSD Lite 5.4.6.4, how to open the 10 MB RAW file ? I know RAW as a picture file from a camera. Does the 10 MB file contain the whole Telstra ROM ?
Click to expand...
Click to collapse
No idea about RSDLite, you use Fastboot to flash that, and it's a raw dump of the Recovery partition. Flash it like this:
fastboot flash recovery recovery-file.raw
The extension is irrelevant, you could equally rename it .img (which is the standard for fastboot files) but it won't make any difference. It's not the whole Telstra ROM, just the recovery partition. The whole ROM would be something like 600 mb, and as I've modified my system partition (i.e. rooted it) you may not want that, and with only 3G internet, I couldn't upload it anyway
apacheo said:
No idea about RSDLite, you use Fastboot to flash that, and it's a raw dump of the Recovery partition. Flash it like this:
fastboot flash recovery recovery-file.raw
The extension is irrelevant, you could equally rename it .img (which is the standard for fastboot files) but it won't make any difference. It's not the whole Telstra ROM, just the recovery partition. The whole ROM would be something like 600 mb, and as I've modified my system partition (i.e. rooted it) you may not want that, and with only 3G internet, I couldn't upload it anyway
Click to expand...
Click to collapse
Hi apache, thanks again, HELP.
OK, I press vol up and vol down and press the power key at the same time. I get the menu boot load selection, availlable boot modes if I pick recovery or AP fastboot I still get back to the AP Fastboot Flashmode (s) screen Device is locked Status Code:0
I assume I get into recovery mode and use your raw file from my SD card to update the recovery partition. What am I doing wrong?
incorrect, you flash via fastboot command line in.... fastboot mode (not recovery mode)
Hey,
I'm hoping to help you guys out. First I have a couple of questions.
1) is your device bootloader unlocked?
2) are you rooted?
If so I have methods to create a backup XML file for you.
jimmydafish said:
Hey,
I'm hoping to help you guys out. First I have a couple of questions.
1) is your device bootloader unlocked?
2) are you rooted?
If so I have methods to create a backup XML file for you.
Click to expand...
Click to collapse
If you have methods to recover an Australian modem IMG (instead of the Verizon-based one) then I'm all ears.. because until I find an AU modem, my phone is now completely unusable.. whoops :/
apacheo said:
If you have methods to recover an Australian modem IMG (instead of the Verizon-based one) then I'm all ears.. because until I find an AU modem, my phone is now completely unusable.. whoops :/
Click to expand...
Click to collapse
We can work on this, do you have access to another AU M? Plus this may be easier via gtalk or email.
jimmydafish said:
We can work on this, do you have access to another AU M? Plus this may be easier via gtalk or email.
Click to expand...
Click to collapse
If I had another, I'd just root it and dd the modem image off and flash it on the broken one.. sadly I don't
I managed to screw it up by flashing the VZW ICS stock, so I could get the JB update on.. I deliberately didn't flash the modem from the VZW ICS stock, and I modified the JB update so it wouldn't apply any changes to the modem... but seemingly, I missed a couple of lines (checking the updater-script, I missed a couple that messed with the modem) so it's completely wrecked. Says the SIM is invalid, and won't detect or connect to any UMTS or GSM carriers here.
If someone else with a rooted Aussie RAZR M is able to step up to assist, it'd be great.
I'll also PM you my details jdf.

ROOT // I want to make sure

I read a few arcticles, but still I´m not sure
I want Unlock my Bootloader and get to my zenfone 2 TWRP (is that mean Flash it? ) and then Root? (SUPERsu)
But I´m not sure what donwload for my version, and which ADB, etc, can anybody tell me more?
MY ZENFONE2 is
Zenfone 2 ZE551ML 16gb // 4 gb
Z00AD
last official update is .....Z00A-2.20.40.183
core version 3.10,20-x86-64 moor
Unlock bootloader officially or unofficially. White ASUS Splashcreen will appear if unlocked successfully. Then go to bootloader then flash your twrp and now you can install customs ROM.
You can still root your device without unlocking bootloader or flashing twrp. Just download a pre-rooted firmware then flash using commands.
24imelqui said:
Unlock bootloader officially or unofficially. White ASUS Splashcreen will appear if unlocked successfully. Then go to bootloader then flash your twrp and now you can install customs ROM.
You can still root your device without unlocking bootloader or flashing twrp. Just download a pre-rooted firmware then flash using commands.
Click to expand...
Click to collapse
Can this be done within the stock recovery of the phone, or are you talking about something else?
Chocketbear said:
Can this be done within the stock recovery of the phone, or are you talking about something else?
Click to expand...
Click to collapse
Have the same Question
Chocketbear said:
Can this be done within the stock recovery of the phone, or are you talking about something else?
Click to expand...
Click to collapse
You dont need to be in the recovery to this, you just need to be in bootloader mode, connect your device to you computer then fastboot flash the parts of the pre-rooted firmware using fastboot commands.
24imelqui said:
You dont need to be in the recovery to this, you just need to be in bootloader mode, connect your device to you computer then fastboot flash the parts of the pre-rooted firmware using fastboot commands.
Click to expand...
Click to collapse
are you reffering to one click root method?
Iqballoon said:
are you reffering to one click root method?
Click to expand...
Click to collapse
No
24imelqui said:
You dont need to be in the recovery to this, you just need to be in bootloader mode, connect your device to you computer then fastboot flash the parts of the pre-rooted firmware using fastboot commands.
Click to expand...
Click to collapse
Thanks, but I went with the one-click root and just unlocked the bootloader. I installed the Xperia rom and it's working really good. I've just waited to root this bish because I had to send it back to asus two times for repair " what a pain in the ****ing ass too "
Chocketbear said:
Thanks, but I went with the one-click root and just unlocked the bootloader. I installed the Xperia rom and it's working really good. I've just waited to root this bish because I had to send it back to asus two times for repair " what a pain in the ****ing ass too "
Click to expand...
Click to collapse
Whats wrong with the phone why it need to be repaired? Im just giving the OP the options on how to root his phone.
So I Can install dirty unicorn version like that? and flashing command like what?

Bricked my LeEco Pro 3 while installing CM13, need some help and advice.

Hi Guys,
Long story short, I bought the LeEco Pro 3 US version due to the awesome Tmobile network support. The modem supports band 12 and WiFi calling and I was happy with it. But eventually notification issues and the horrible EUI got under my skin and I decided to install CM13 keeping the phone as untouched as possible so that I can revert back to stock whenever needed.
I followed below steps:
1. Enabled developer options and enabled USB debugging.
2. Went the Developer Options and enabled OEM Unlocking.
3. Did adb reboot bootloader to get into the bootloader menu.
4. Did fastboot unlock-go command to unlock the bootloader. I noticed that if I did this command and rebooted the phone, the phone reverted back to being locked again. But I could run the command again from bootloader screen and unlock it (as long as the developer options had the OEM unlocking enabled). So I was never permanently unlocked, just unlock at will whenever I wanted.
5. Then I downloaded the twrp.img file and from fastboot screen i did fastboot boot twrp.img, which booted me inot twrp screen. I was able to switch the language to english but i didnt do the permanent system modification. I did not root the phone as well through the menu.
6. Now, I plugged in a USB OTG drive in the phone. Usb OTG drive had CM13 ROM + Gapps on it.
7. Using the TWRP menu, I did a factory data reset and made a backup of all partitions of the LeEco Phone and saved it into USB OTG drive.
8. Then I installed the CM13 rom on the phone. Followed by Gapps and then rebooted the phone. The phone wouldnt boot.
9. I immediately rebooted the phone into the fastboot menu and tried to run the fastboot boot twrp.img, and got an error message that the device is not unlocked. Which is when i noticed that the phone is bricked.
So Long story short, I have a locked bootloader and I want to to retain my modem. I was given a suggestion to boot into the stock recovery and put the x720 update.zip file and install it. But that would flash the CN modem as well. Can I delete the modem file from the CN rom and flash the update.zip? Can someone help me there? All I want is the modem for the US rom and CM13, thats it.
Thank you guys for reading this post, it helps to talk to XDA about such issues, my wife would just kick my butt because I broke a phone, again!
Did you wipe the system using twrp before installing CM?
sunbinyuan said:
Did you wipe the system using twrp before installing CM?
Click to expand...
Click to collapse
No I didn't wipe the system before installing CM13. Usually the ROM installation scripts do system wipes.
This is the reason why I am hesitant to do this thing as there are no clear (step-by-step) procedures and there is no solid benefit (in fact your will lose some features). Can't it be possible to just create a CM or any other ROM that could be downloaded and rename into update.zip and load it directly renaming the X720 ROM? ^_^
Try unlocking bootloader again with fastboot method as you didn't do it the first time. Then try fastboot boot twrp.img
srikanthc said:
Try unlocking bootloader again with fastboot method as you didn't do it the first time. Then try fastboot boot twrp.img
Click to expand...
Click to collapse
He will not be able to unlock again due to the fact that he installed CM13 on an unlocked bootloader. I did read where you can flash the CN bootloader on a locked bootloader. Look at post #44 from the "X727 (US Model) Persistent bootloader unlock from 5.8.019s" thread.
http://forum.xda-developers.com/le-pro3/development/x727-model-persistent-bootloader-unlock-t3500388
"I finished the setup and run fastboot again and it is good so for anyone having the same issue as I was having of not able to unlock, just run: Fastboot Flash aboot emmc_appsboot.mbn get the file from dr4stic zip file"
Followed by post #47:
"Yeah I can confirm that flashing the aboot worked like dish soap on a squeaky hinge."
If that doesn't work then you will need to install the CN rom using the stock bootloader.
zoid_99 said:
He will not be able to unlock again due to the fact that he installed CM13 on an unlocked bootloader. I did read where you can flash the CN bootloader on a locked bootloader. Look at post #44 from the "X727 (US Model) Persistent bootloader unlock from 5.8.019s" thread.
http://forum.xda-developers.com/le-pro3/development/x727-model-persistent-bootloader-unlock-t3500388
"I finished the setup and run fastboot again and it is good so for anyone having the same issue as I was having of not able to unlock, just run: Fastboot Flash aboot emmc_appsboot.mbn get the file from dr4stic zip file"
Followed by post #47:
"Yeah I can confirm that flashing the aboot worked like dish soap on a squeaky hinge."
If that doesn't work then you will need to install the CN rom using the stock bootloader.
Click to expand...
Click to collapse
I ended up installing CN ROM as my last resort. I have an unlocked bootloader and twrp installed now, with CM13. Now I need the way to go back to US modem so I can get all the bands.
Sent from my LEX720 using Tapatalk
ceo.mtcl said:
I ended up installing CN ROM as my last resort. I have an unlocked bootloader and twrp installed now, with CM13. Now I need the way to go back to US modem so I can get all the bands.
Sent from my LEX720 using Tapatalk
Click to expand...
Click to collapse
1. Download the rom from here: https://www.androidfilehost.com/?fid=601275311581036717
2. Unzip and extract the NON-HLOS.img file.
3. Reboot into fastboot mode.
4. Flash the modem "fastboot flash modem NON-HLOS.img"
You will not notice a change in the modem version in "About Phone" as they both report Baseband version MPSS.2.0.c1.9.1-00010. Who knows, they may be the same.
zoid_99 said:
1. Download the rom from here: https://www.androidfilehost.com/?fid=601275311581036717
2. Unzip and extract the NON-HLOS.img file.
3. Reboot into fastboot mode.
4. Flash the modem "fastboot flash modem NON-HLOS.img"
You will not notice a change in the modem version in "About Phone" as they both report Baseband version MPSS.2.0.c1.9.1-00010. Who knows, they may be the same.
Click to expand...
Click to collapse
Is this NON HLOS.img file from US baseband? Can you please help me in locating where it came from before I flash it. Thanks in advance.
Sent from my LEX720 using Tapatalk
ceo.mtcl said:
Is this NON HLOS.img file from US baseband? Can you please help me in locating where it came from before I flash it. Thanks in advance.
Sent from my LEX720 using Tapatalk
Click to expand...
Click to collapse
That is from the US baseband. That rom will convert a CN install back to a US install.
zoid_99 said:
That is from the US baseband. That rom will convert a CN install back to a US install.
Click to expand...
Click to collapse
Thank you, is that from your phone or did you found it in some other post out here that I missed Zoid? I'm just looking for source of the file.
Sent from my LEX720 using Tapatalk
It's from this thread.
http://forum.xda-developers.com/le-pro3/how-to/flashing-guide-roundup-leeco-le-pro-3-t3511901
"
Okay, if you chose to use the long route and installed the Chinese ROM, you can still get back to the full US version, complete with all LTE bands. dr4stic is responsible for this gem, and was my way back to US ROMdom.
To go from Chinese or Custom ROM back to Stock US version:
The file is located in his Android File Host space here: https://www.androidfilehost.com/?fid=601275311581036717
"
ceo.mtcl said:
No I didn't wipe the system before installing CM13. Usually the ROM installation scripts do system wipes.
Click to expand...
Click to collapse
Sorry for the late answer but to add to that, it happened to me that the ROM didn't have a wipe script thus bricking another of my device. I reinstalled it after wiping the system and it worked.

factory restet / unstall twrp / relock bootloader [H870]

Hey Guys,
im going to switch my black G6 to a platimum one - so i have to relock the bootloader. I know how to do this, but first i have to get rid of twrp .
Can one of you tell me, how to performe a completet factory reset, so i can relock my bootloader?
thx in advance!
fonsi78 said:
Hey Guys,
im going to switch my black G6 to a platimum one - so i have to relock the bootloader. I know how to do this, but first i have to get rid of twrp .
Can one of you tell me, how to performe a completet factory reset, so i can relock my bootloader?
thx in advance!
Click to expand...
Click to collapse
Flash original recovery and firmware then send the lock command via ADB to lock bootloader
basicreece said:
Flash original recovery and firmware then send the lock command via ADB to lock bootloader
Click to expand...
Click to collapse
thank you, but how do i get the original recovery file? i didnt find it.
with my pixel and oneplus 3t i was able to flash stock rom and this reseted recovery, too.
I already flashed the actual stock rom with twrp (https://forum.xda-developers.com/lg-g6/development/rom-eu-lg-h870-10n-rom-t3637828), but this zip was made to keep twrp. Now i´m wondering how to flash a full stock rom, inkl. recovery or just flash recovery....
basicreece said:
Flash original recovery and firmware then send the lock command via ADB to lock bootloader
Click to expand...
Click to collapse
Realy adb relock bottloader work thats it? just easy?
On G4 not working...
If realy working very good news me thanks anyone confirm this!
Hey guys,
i still didn´t get it to work. Any Tipps for a LG Noob, how to get back to stock recovery?
plz give me a hint or throw a link in at me, If i´m missing something obvious :silly:
Can't you just install the official LG suite software on a desktop or laptop and then use that? It will probably detect the missing or "damaged" recovery and then automatically "repair".
https://www.androidfilehost.com/?fid=817550096634787189 thats the original recovery.img from 10n kdz flasht it with twrp oder flashfire app and twrp is gone
westwood24 said:
https://www.androidfilehost.com/?fid=817550096634787189 thats the original recovery.img from 10n kdz flasht it with twrp oder flashfire app and twrp is gone
Click to expand...
Click to collapse
Thank you..i will give it a try tonight.
westwood24 said:
https://www.androidfilehost.com/?fid=817550096634787189 thats the original recovery.img from 10n kdz flasht it with twrp oder flashfire app and twrp is gone
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Click to collapse
Thank you. This did the Job.
Now I'm on stock rom with stock recovery, but the "fastboot oem lock" leads to a "corrupt device" that will not boot anymore. Can't the H870 (europe) be relocked, once it was unlocked via unlock.bin?
Isn't that the exact same procedure but then simply choosing "lock"?
ASW1 said:
Isn't that the exact same procedure but then simply choosing "lock"?
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Click to collapse
i thought it was, but as a mentioned, it leads to a startscreen, that says: your device is corrupt and will not boot. after flashing the unlock bin it boots again
fonsi78 said:
i thought it was, but as a mentioned, it leads to a startscreen, that says: your device is corrupt and will not boot. after flashing the unlock bin it boots again
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Click to collapse
Is there a "lock.bin" file that can be fetched from the LG site maybe?
From the LG developer site:
4. Once unlocked, it cannot be undone.
There is no turning back once you have unlocked the bootloader. You will not be able to revert your phone to locked status.
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Didn't you read this information before unlock the bootloader???
Montechristo said:
From the LG developer site:
Didn't you read this information before unlock the bootloader???
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Click to collapse
i read it..:angel:
but i also read here @xda that you can relock it, if you restore to stock rom, via kdz & LG Up an then fastboot oem lock...and it worked, finally.
Thx to everyone for your help..i really, really appreciate it!
fonsi78 said:
i read it..:angel:
but i also read here @xda that you can relock it, if you restore to stock rom, via kdz & LG Up an then fastboot oem lock...and it worked, finally.
Thx to everyone for your help..i really, really appreciate it!
Click to expand...
Click to collapse
I'm interested in buying a LG G6. Can you please explain a little bit more what you did to re-lock? Where did you get the kdz image (which region) and what steps did you do? I'm completely new to LG devices.

Cant get into bootloader a2017

Just bought this phone...i tried using the toolkit and the recovery menu...phone wont boot into fastboot mode. Can someone point me in the right direction on how to fix this.
Axebladewarrior said:
Just bought this phone...i tried using the toolkit and the recovery menu...phone wont boot into fastboot mode. Can someone point me in the right direction on how to fix this.
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Click to collapse
well it actually shouldn't. axon7toolkit should flash fastboot onto your phone
But I thought the Chinese still had fastboot... Did you enable OEM unlocking?
Try enabling USB debugging too, and use a pc with ADB to issue 'adb reboot bootloader'. maybe it'll get there,maybe not
Thanks for the help...i flashed b13 and eventually unlocked the bootloader, flashed twrp and root however when i flash a rom the zte screen comes up then the phone shuts down
Axebladewarrior said:
Thanks for the help...i flashed b13 and eventually unlocked the bootloader, flashed twrp and root however when i flash a rom the zte screen comes up then the phone shuts down
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Click to collapse
Just don't lock the bootloader again, like, ever
Did you install the Universal Bootstack and the modem file before flashing the ROM?
Choose an username... said:
Just don't lock the bootloader again, like, ever
Did you install the Universal Bootstack and the modem file before flashing the ROM?
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Click to collapse
That was the problem....i flashed them both and the rom flashed with no problems...thanks for all the help. Last phone was the original nexus 5...was a breeze to flash
Axebladewarrior said:
That was the problem....i flashed them both and the rom flashed with no problems...thanks for all the help. Last phone was the original nexus 5...was a breeze to flash
Click to expand...
Click to collapse
Just read everything... you know, forgetting about stuff like that can DFU-brick your phone or lose your IMEIs

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