Bricked my OP 7 Pro - OnePlus 7 Pro Questions & Answers

Please help
I bricked my OP7 Pro , i unlocked it , and install recovery normally
then i tried to install Havac OS , and when i am in TWRP , i did restart to recovery , but the phone stuck in fastboot
what i did so far , i installed fastboot rom 10.0 , do flash all.bat but it keep stuck on fastboot
i am not sure on what version of OS i was.
can any one help me ?

You should be able to recover from this by using the MSM tool. Download that and make sure you follow instructions on installing the correct USB driver. You'll boot the phone with VolUP/VolDN pressed while you connect the phone to a computer and the MSM tool should be able to wipe and put software back on.

fastboot versions are beta's. Check these links.
https://forum.xda-developers.com/oneplus-7-pro/how-to/guide-mega-unbrick-guide-hard-bricked-t3934659
Use this link for Root tools.
https://forum.xda-developers.com/on...pro-roms-kernels-recoverys-firmwares-t3931126
Downgrade tool if you're not happy on Q.
https://techbeasts.com/downgrade-android-q-dp-to-android-pie-on-oneplus-7-pro/

blas4me said:
fastboot versions are beta's. Check these links.
https://forum.xda-developers.com/oneplus-7-pro/how-to/guide-mega-unbrick-guide-hard-bricked-t3934659
Use this link for Root tools.
https://forum.xda-developers.com/on...pro-roms-kernels-recoverys-firmwares-t3931126
Downgrade tool if you're not happy on Q.
https://techbeasts.com/downgrade-android-q-dp-to-android-pie-on-oneplus-7-pro/
Click to expand...
Click to collapse
Nic2112 said:
You should be able to recover from this by using the MSM tool. Download that and make sure you follow instructions on installing the correct USB driver. You'll boot the phone with VolUP/VolDN pressed while you connect the phone to a computer and the MSM tool should be able to wipe and put software back on.
Click to expand...
Click to collapse
Thanks , From where i can download MSM tool ? can you help me to find the thread ?
also what the steps please ? i am newbie

fixed ,
i followed this link
https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691

new_world_2006 said:
fixed ,
i followed this link
https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691
Click to expand...
Click to collapse
it's all the same crew.

Related

Guide To Unbrick RealMe 1[CPH1859/1861/1706]-[A.29]

Code:
[CENTER]If You Have Hard Bricked Your Device Then Only Use This Guide[/CENTER]
CPH1861EX_11.A.29​
Files You Need To Download:
1:Miracle Box Tool-https://mega.nz/#!lVsQGSaC!6TTJopMyntMQA0IKYdC_5BlsxIjV_Ibhx2qWL_ZqDyI
2:Stock Rom- https://mega.nz/#F!ncMFUaaa!0fVNwJ_Io0EMFv8YLjBZlQ [Select Download As Zip]
3:https://androidmtk.com/install-android-cdc-driver-manually [Install Drivers Using This Guide]​
Click to expand...
Click to collapse
Steps To Flash Stock Rom:
1:Install Miracle Box And Drivers
2:Launch Miracle Box
3: Open Mtk Tab
4:Click on Services
5:Select Write From The Available Options
6:Select 8th Boot From Boot Options
7:In Second Options,Select Oppo Realme 1
8:Check Skip Preloader File
9:Hit Start
10:Now connect your phone and hold volume and power buttons... It will flash and turn off your phone
11:Remove Cable And Press Power+VOLUME Up For 15 Seconds
You Have Unbricked Your Device​
Click to expand...
Click to collapse
Credits:
Hamza(From Telegram Group For Writing The Tutorial0
Shobith(For Stock Rom Dump)
AnuragRai(For Simplifying The Guide)
1st link miracle box is not working plz correct it bro
can you share download links from other providers? mega asks for premium account.
thank you.
Didn't work for me
anurag rai said:
Code:
[CENTER]If You Have Hard Bricked Your Device Then Only Use This Guide[/CENTER]
CPH1861EX_11.A.29​
Credits:
Hamza(From Telegram Group For Writing The Tutorial0
Shobith(For Stock Rom Dump)
AnuragRai(For Simplifying The Guide)
Click to expand...
Click to collapse
After flashing twrp recovery when I booted my device, a software update popped up and it automatically updated over night and my device hard bricked. I tried everything but couldn't fix it. My pc is not even recognising my phone so can't follow your steps. Any suggestion or help to fix my device will be appreciated.
same mine bro,
rom version was a31 and after installed twrp, my device hard bricked. i couldnt solve yet, waiting a newer version of miracle box or etc.
anurag rai said:
Code:
[CENTER]If You Have Hard Bricked Your Device Then Only Use This Guide[/CENTER]
CPH1861EX_11.A.29​
Credits:
Hamza(From Telegram Group For Writing The Tutorial0
Shobith(For Stock Rom Dump)
AnuragRai(For Simplifying The Guide)
Click to expand...
Click to collapse
i dumped the stock rom bro @besttipsYT Not Shobith
this method is not working at this time...when i trying to flash by this method only show.......phone connected......downloding boot8....then disconnect my phone ..&reboot
Please don't flash custom recovery (here twrp) without proper knowledge or just sake of modding device. The builds and methods are not always working and may end up bricking your device.
Hi There, Can someone PLZ help me setting up OPPO PRELOADER Drivers correctly. Everytime i try to use miracle thunder i get the following log:
Waiting for USB Port...
Set USB Serial Device (COM9)
Connecting to Phone,Wait..
Connected to Phone.
CPU: MT6771 SW:0000 Ver: CA00
>>Downloading Boot8 ...
and it remains on here forever.
Actually oppo preloader shows for some time in pc and after that it goes away and hence it is not letting the miracle thunder work properly (i guess)
when my phone was working (booting in coloros 6, then also oppo preloader was doing the same thing and after a few seconds my battery would start charging), now i can't see anything on screen as it's bricked now.
Preloader doesn't even work with SP Flash Tools also.
EDIT : I have tried almost everything i knew, drivers manager add legacy option etc.
If someone could help me get out of this problem, i would really be grateful.
Brick Reason : Flashed TWRP but used fastboot command to boot into that : (
PLEASE HELP SOMEONE
Alen012 said:
Hi There, Can someone PLZ help me setting up OPPO PRELOADER Drivers correctly. Everytime i try to use miracle thunder i get the following log:
Waiting for USB Port...
Set USB Serial Device (COM9)
Connecting to Phone,Wait..
Connected to Phone.
CPU: MT6771 SW:0000 Ver: CA00
>>Downloading Boot8 ...
and it remains on here forever.
Actually oppo preloader shows for some time in pc and after that it goes away and hence it is not letting the miracle thunder work properly (i guess)
when my phone was working (booting in coloros 6, then also oppo preloader was doing the same thing and after a few seconds my battery would start charging), now i can't see anything on screen as it's bricked now.
Preloader doesn't even work with SP Flash Tools also.
EDIT : I have tried almost everything i knew, drivers manager add legacy option etc.
If someone could help me get out of this problem, i would really be grateful.
Brick Reason : Flashed TWRP but used fastboot command to boot into that : (
PLEASE HELP SOMEONE
Click to expand...
Click to collapse
Miracle box, SP Flash Tool and MTK Droid Tools no longer work with Realme. If you can access Fastboot then flash stock recovery and proceed further.
Bootloop if i try t access fastboot mode. Can go to recovery but its not allowing me to flash amything saying its an older version. Any work around yet?
Naveen56 said:
Miracle box, SP Flash Tool and MTK Droid Tools no longer work with Realme. If you can access Fastboot then flash stock recovery and proceed further.
Click to expand...
Click to collapse
StripsOfTatti said:
Bootloop if i try t access fastboot mode. Can go to recovery but its not allowing me to flash amything saying its an older version. Any work around yet?
Click to expand...
Click to collapse
Which recovery are you in? Is it Stock or Custom?
If u have stock first wipe data and then flash boot.img or ozip file (stock ROM).
If u have custom recovery then you need to flash stock recovery + stock ROM.
plz help me ihave realme 1 and it stuck in logo and orange state and restart over and over and icannot boot into recovery or fastboot plz help me
Simba Gaara said:
plz help me ihave realme 1 and it stuck in logo and orange state and restart over and over and icannot boot into recovery or fastboot plz help me
Click to expand...
Click to collapse
If recovery and fastboot are inaccessible means you need to visit service center.
When trying to connect realme 1 to miracle it showing usb device not connected, how to solve this? Drivers are installed
Naveen56 said:
Miracle box, SP Flash Tool and MTK Droid Tools no longer work with Realme. If you can access Fastboot then flash stock recovery and proceed further.
Click to expand...
Click to collapse
So bro in case if I brick my phone then I can flash stock rom using stock recovery.......??
Do I get those Rom files from official realme website?
AwesomeVk47 said:
So bro in case if I brick my phone then I can flash stock rom using stock recovery.......??
Do I get those Rom files from official realme website?
Click to expand...
Click to collapse
Yes. Do remember you need both fastboot and recovery to be working, so you can flash Stock Recovery (only if you have TWRP installed).
If you have stock recovery installed then download stock rom from official Realme site and place it in the Sdcard (otg wont help). Enter into recovery and update/install the ozip.
If your phone is completely dead then above method wont help and you have to follow another one.
Note: If your device is rooted then installing (from stock recovery) stock rom fails. At this time flash TWRP from fastboot then flash zip file (convert stock rom from ozip to zip).
Naveen56 said:
Yes. Do remember you need both fastboot and recovery to be working, so you can flash Stock Recovery (only if you have TWRP installed).
If you have stock recovery installed then download stock rom from official Realme site and place it in the Sdcard (otg wont help). Enter into recovery and update/install the ozip.
If your phone is completely dead then above method wont help and you have to follow another one.
Note: If your device is rooted then installing (from stock recovery) stock rom fails. At this time flash TWRP from fastboot then flash zip file (convert stock rom from ozip to zip).
Click to expand...
Click to collapse
Sorry to bother you bro but let's say I bricked my phone and have twrp installed......where will I get the stock recovery from and how to enter the fastboot mode of realme phone if it's bricked
AwesomeVk47 said:
Sorry to bother you bro but let's say I bricked my phone and have twrp installed......where will I get the stock recovery from and how to enter the fastboot mode of realme phone if it's bricked
Click to expand...
Click to collapse
Download stock recovery.
Enter fastboot mode using Power + Volume Down. If that does not work use other combinations.
Now flash stock recovery.
Enter recovery using
Code:
fastboot oem reboot-recovery
Install ozip.
Naveen56 said:
Download stock recovery.
Enter fastboot mode using Power + Volume Down. If that does not work use other combinations.
Now flash stock recovery.
Enter recovery using
Install ozip.
Click to expand...
Click to collapse
Is that link for realme 1 stock recovery?.......it would be great help if you could tell me how to obtain it....just for future use
---------- Post added at 03:18 PM ---------- Previous post was at 03:07 PM ----------
Naveen56 said:
Download stock recovery.
Enter fastboot mode using Power + Volume Down. If that does not work use other combinations.
Now flash stock recovery.
Enter recovery using
Install ozip.
Click to expand...
Click to collapse
Will this link work for stock rom file?
Link1
https://www.realme.com/in/support/software-update
Link2
https://www.getdroidtips.com/oppo-realme-1-stock-firmware-collections/
Which one of these should I use?

Dead boot Android!

Hello!
I accidentally flashed wrong boot image on my phone via twrp and then I tap on reboot/system after that phone didn't boot.
No response.
Not turning on even I reinsert the battery!
No going to fastboot or Recovery mode!
SP flash tool didn't able to flash rom.
It always shows error.
I think I need to re-programme emmc chip?
Boot information stored in emmc right?
Is it ok/right?
Or is there another method to revive it?
(please help about this issue)!
Phone:- Infinix Smart 3 plus.
OS:- pie/9.0
CPU:- MTK 6761/Helio A22.
@AR1300 said:
Hello!
I accidentally flashed wrong boot image on my phone via twrp and then I tap on reboot/system after that phone didn't boot.
No response.
Not turning on even I reinsert the battery!
No going to fastboot or Recovery mode!
SP flash tool didn't able to flash rom.
It always shows error.
I think I need to re-programme emmc chip?
Boot information stored in emmc right?
Is it ok/right?
Or is there another method to revive it?
(please help about this issue)!
Phone:- Infinix Smart 3 plus.
OS:- pie/9.0
CPU:- MTK 6761/Helio A22.
Click to expand...
Click to collapse
Just reflash the Stock boot.img via fastboot if available.
Or Flash the whole stock ROM via TECHNO FLASH TOOL it is the only Flash tool compatible with TRANSSION DEVICE. Sp doesn't work... And make sure you have installed proper drivers
*ANDROID CDC
*Preloader USB VCOM
Sent from my Infinix-X650C using XDA Labs
Thanks.
AshhRED said:
Just reflash the Stock boot.img via fastboot if available.
Or Flash the whole stock ROM via TECHNO FLASH TOOL it is the only Flash tool compatible with TRANSSION DEVICE. Sp doesn't work... And make sure you have installed proper drivers
*ANDROID CDC
*Preloader USB VCOM
Sent from my Infinix-X650C using XDA Labs
Click to expand...
Click to collapse
Thanks for advice but I used that advance options of SP flash tool for force flashing and it worked
Abdulrehman130 said:
Thanks for advice but I used that advance options of SP flash tool for force flashing and it worked
Click to expand...
Click to collapse
Glad you recovered, join these Telegram groups for quick support for your Android..
https://t.me/infinixhot8
https://t.me/androidwithlinux_discussion
https://t.me/Infinixfansclub
Sent from my Infinix-X650C using XDA Labs
What custom kernel can I install on infinix smart 3 plus

OP8 T-Mobile SMT download faild

I tried to restore my op8 tmobile 5g using t-mobile msm tool
its done flashing but then shows error screen on phone
SMT Download failed!
So i tried many versions of msm tool and all works but still cant boot
i can access to fastboot and recovery but bootloader is locked so cant do anything
Hi there. U did not flash properly. U need to do it again carefully. Don't interrupt. Wait until it reboot itself
Hardeep Kang said:
Hi there. U did not flash properly. U need to do it again carefully. Don't interrupt. Wait until it reboot itself
Click to expand...
Click to collapse
I did many and its download complete with green color in MSM tool and reboot by it self and many version i tried but no luck : (
Thank you
brsteej said:
I did many and its download complete with green color in MSM tool and reboot by it self and many version i tried but no luck : (
Thank you
Click to expand...
Click to collapse
There's only 3 possibilities.
1.) You're using the wrong MSM tool. This is the correct one for TMO device.
2.) You're device isn't a T-Mobile device. You're either mistaken, or were given incorrect information
3.) You need to troubleshoot the flashing itself. Try different USB ports, a different computer if you can. If MSM really finished the whole process and said complete with a green bar, than this is unlikely, and 1 or 2 is your answer.
brsteej said:
I tried to restore my op8 tmobile 5g using t-mobile msm tool
its done flashing but then shows error screen on phone
SMT Download failed!
So i tried many versions of msm tool and all works but still cant boot
i can access to fastboot and recovery but bootloader is locked so cant do anything
Click to expand...
Click to collapse
hello r u found solutions ? i have same problem my device oP7t :HD1900

Question How to unbrick One Plus Nord CE 2 Lite ?

I have bricked this device (One Plus Nord CE 2 Lite) by flashing the unofficial twrp image for this device. Device bootloops in TWRP.
Previously, I had succesfully unlocked the bootloader and rooted this device by flashing the patched magisk boot.img by following the method mentioned in this post (https://forum.xda-developers.com/t/rooting-oneplus-nord-2-ce-lite.4500297/)
How to restore the factory image and recover from this?
Any help is appreciated.
Thanks
...reboot to fastboot, flash the original boot and vbmeta and you're done ...maybe you have to change back the slot, but it's almost impossible to brick the device
...don't mess around with "Recovery" ...this device has already the newest partitioning system and there is no recovery partition
best regards
I messed up by flashing the wrong twrp image made. (Device was stuck on 1+ logo screen)
Thanks to your post i was able to rescue this device.
I used Oxygen Updater App, payload-dumper-gui and minimal adb fastboot.
Flashed boot and vbmeta with stock img files.
Restarting the device now will boot into fastboot mode.
Changing slots helped a lot.
(fastboot set-active=a/b)
After that, Device booted normally into OS.
... you're very welcome, Sir ...but really, don't mess around with "old school" recovery systems ...they are not needed anymore and furthermore they can't handle the "dynamic super partitioning" ...and again: nobody needs them after the year 2015 anymore
...best regards
NickR01 said:
I messed up by flashing the wrong twrp image made. (Device was stuck on 1+ logo screen)
Thanks to your post i was able to rescue this device.
I used Oxygen Updater App, payload-dumper-gui and minimal adb fastboot.
Flashed boot and vbmeta with stock img files.
Restarting the device now will boot into fastboot mode.
Changing slots helped a lot.
(fastboot set-active=a/b)
After that, Device booted normally into OS.
Click to expand...
Click to collapse
Hey can you help me pls, I am in the exact same situation as you but I can't get the stock img files, whenever I use payload-dumper it just gives me system.img and nothing else, could you maybe share your img files ?
Edit: I manged to get some files but still not the boot.img, I don't undestand why it just refuses to give them to me, I redownloaded everything at least 3 times...
Use Payload-Dumper-GUI instead of Payload-Dumper-Go
Hey @NickR01 if possible can you send me an boot.img and vbmeta
I don’t have windows pc so can’t use Payload-Dumper
It will also help future users to unbrick device.
NickR01 said:
Use Payload-Dumper-GUI instead of Payload-Dumper-Go
Click to expand...
Click to collapse
@vikas_anakin What's your device version?
cph2381 cph2409
NickR01 said:
@vikas_anakin What's your device version?
cph2381 cph2409
Click to expand...
Click to collapse
cph2381
@vikas_anakin I have files for eu variant, can't help you there bud. If flashed it can mess up your device.
If you are stuck with payload.bin extraction... try it with an android device.
Here's the tool for Android.
Payload-Dumper-Android
Here's the guide for it.
XDA Guide
Newb Guide
Follow the guide and download this app to extract the .bin file
Termux App: Termux Github
After the extraction, type fastboot (pc required) commands to flash and change current active slots from A to B if it's stuck in bootloop after flashing.
I hope this helps you recover your device.
NickR01 said:
@vikas_anakin I have files for eu variant, can't help you there bud. If flashed it can mess up your device.
If you are stuck with payload.bin extraction... try it with an android device.
Here's the tool for Android.
Payload-Dumper-Android
Here's the guide for it.
XDA Guide
Newb Guide
Follow the guide and download this app to extract the .bin file
Termux App: Termux Github
After the extraction, type fastboot (pc required) commands to flash and change current active slots from A to B if it's stuck in bootloop after flashing.
I hope this helps you recover your device.
Click to expand...
Click to collapse
Extracting the payload.bin is not an issue, The issue is I don't have stock firmware.
I used https://www.getdroidtips.com/oneplus-nord-ce-2-lite-5g-firmware-flash-file/ but my wifi and Bluetooth are not working after installing it.
Do you have any suggestions on how can i resolve these issues?
@vikas_anakin Download authentic firmware from this app. Files are pulled from OnePlus servers.
Google Playstore: Oxygen Updater
Oxygen Updater Settings -> Enable Advanced Mode
Select device region.
Latest update for holi is CPH2381_11_A.13 as of now.
I extracted the images from the payload.bin found in the Oxygen Updater file (that I had actually successfully used to update my device) and flashed 2 partitions:
fastboot flash vbmeta vbmeta.img
fastboot flash boot boot.img
I then rebooted and now it's stuck in a boot loop & I can't even access fastboot anymore. Can someone please help?
Thanks
EDIT:
I managed to access fastboot & flash the rest of the partitions to fix it.
Hi everyone, just to piggy back on this thread, I also have the same device, and I have unofficial twrp and boot loader unlocked, however I have no back up rom and just want to get the phone back to normal really. Ive been following guides all over the place, but could someone point me in the right direction ? can I just download a rom for the OP nord ce 2 lite 5g, put it on my phone and have twrp install it? could someone guide me please. many thanks!
lemonmuffs said:
Hi everyone, just to piggy back on this thread, I also have the same device, and I have unofficial twrp and boot loader unlocked, however I have no back up rom and just want to get the phone back to normal really. Ive been following guides all over the place, but could someone point me in the right direction ? can I just download a rom for the OP nord ce 2 lite 5g, put it on my phone and have twrp install it? could someone guide me please. many thanks!
Click to expand...
Click to collapse
Yes, that will work.
vikas_anakin said:
Yes, that will work.
Click to expand...
Click to collapse
Or else you can extract img files from the oneplus rom file.
and flash them using fastboot.
Okay thank you for the reply, would you be able to point me to a official img file ? Or maybe someone has one extracted I could use please? I have looked online, but the ones I have gotten don't seem to work. I have also looked on the oneplus website for an official img but I could not find one.
So after a little more research, I can use another android device with the app Oxygen updater, download the full img.... So I am currently doing that and then ill try use fastboot or twrp to flash. Just wanted to spread info incase anyone else is having issues getting latest official roms for this device.
Hey guys, i have bricked my Oneplus Nord ce 2 lite 5g (Cph2381)
I tried using the fastboot enhance tool to flash a payload.bin file i thought was the right one for the device ..the device went to blackscreen..ive tried switching it on but its not working..ive done alittle research and found out that i should use an msm tool to force flash the initial stock firmware so that it can boot up ...problem is i cant seem to find the right msm tool for Oneplus nord ce 2 lite 5g , which msm tool can i use ? help please
Jazzyjuis said:
Hey guys, i have bricked my Oneplus Nord ce 2 lite 5g (Cph2381)
I tried using the fastboot enhance tool to flash a payload.bin file i thought was the right one for the device ..the device went to blackscreen..ive tried switching it on but its not working..ive done alittle research and found out that i should use an msm tool to force flash the initial stock firmware so that it can boot up ...problem is i cant seem to find the right msm tool for Oneplus nord ce 2 lite 5g , which msm tool can i use ? help please
Click to expand...
Click to collapse
Hey man, I would suggest not going with msm tool or anything.
Just download the latest update file of your device using oneplus updater app, or you can ask for the file if some of your friends has the same device.
use this tool to extract payload files https://github.com/vm03/payload_dumper
Now you can follow the same procedure as here https://forum.xda-developers.com/t/...ock-oxygenos-firmware-on-oneplus-10r.4465077/

JCAC10003-OC2-20412011210

Please i need the full firmware of JCAC10003-OC2-20412011210
I need to patch the img with magisk and to reinstall it into the head unit
Please where i can find all the firmwares files of thoose head units
Request it from seller / manufacturer, if you can't find it in Internet at your own.
xXx yYy said:
Request it from seller / manufacturer, if you can't find it in Internet at your own.
Click to expand...
Click to collapse
Pm me bro, i wanna ask you some questions if you dont mind
you can readback ROM from SP Flash Tool on windows (complicated) or mtkclient on linux (easier). I am lazy but have written already here and there many times. some of the links might help.
https://forum.xda-developers.com/t/4541917/post-88021497
(no support via pm, keep it in the threads)
aIecxs said:
you can readback ROM from SP Flash Tool on windows (complicated) or mtkclient on linux (easier). I am lazy but have written already here and there many times. some of the links might help.
https://forum.xda-developers.com/t/4541917/post-88021497
(no support via pm, keep it in the threads)
Click to expand...
Click to collapse
The problem how to make the head unit reboot into recovery mode, or into download mod, and how to connect it via computer due it has no port or anything..
no recovery mode or download mode needed. preloader mode works without power (it is powered over usb)
aIecxs said:
no recovery mode or download mode needed. preloader mode works without power (it is powered over usb)
Click to expand...
Click to collapse
And from where i will get this preloader ?
preloader mode is yet another mode, like boot mode, recovery mode, fastboot mode, ...
for Windows you need to install VCOM preloader drivers
youtu.be/O2XWTAYmNUo
aIecxs said:
you can readback ROM from SP Flash Tool on windows (complicated) or mtkclient on linux (easier). I am lazy but have written already here and there many times. some of the links might help.
https://forum.xda-developers.com/t/4541917/post-88021497
(no support via pm, keep it in the threads)
Click to expand...
Click to collapse
Bro have you a mod version of netflix working on this car android ?
I need netflix and shahid
The shahid it make errors to me : this version not compatible with your android version
Please is there any help
I don't have android head unit in car. I don't have netflix account.
aIecxs said:
I don't have android head unit in car. I don't have netflix account.
Click to expand...
Click to collapse
Ok whats the best way to install magisk into this android, i have only port reading USB, so how can i flash the boot of the android with magisk ?
disconnect from battery and get VCOM preloader drivers installed. SP Flash Tool is fine on locked bootloader, fastboot is best on unlocked bootloader.

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