A few days ago I bought a new oneplus 8t 5g from Tmobile. great phone. I unlocked the bootloader just fine. Going back into android, I noticed that there were no sounds at all, it wouldn't connect to wifi and was really slow. I had not rooted at this point. I tried a factory reset and this did not help. I tried to relock the bootloader when the phone said it was corrupt and would not boot. Edl mode was available so I flashed lineageOS. it never booted up after 2 days. Then I flashed a fastboot ROM. Now the phone will only boot to the bootloader, and flashing does nothing. I would like to restore the phone to its complete original state. The model is KB2007. Any help at all would be appreciated.
Maybe you should try Msm Tool .
fares70 said:
Maybe you should try Msm Tool .
Click to expand...
Click to collapse
trying that now on a new computer.
[OP8T][OOS TMO KB09CB] Unbrick tool to restore your device to OxygenOS
Disclaimer: By attempting any of the processes listed in this thread you accept full responsibility for your actions. I will not be held responsible if your device stops working, catches fire, or turns into a hipster and claims to have been...
forum.xda-developers.com
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I erroneously cleared all the NVRAM, included the bootloader, using "Smart Phone Flash Tool". Therefore my phone is now a brick.
Now, it does neither switch on, nor it connects to the Flash tool.
Is there a way to re-flash the bootloader and, eventually, a complete ROM?
thank you for your assistance
Hi, have you solved this issue ??? I think i did exactly the same last night... 4 days old phone... now a £500 brick..
PLease please please help
Same here! i was on cm7, and i formatted my sdcard, therefore deleting the bootloader, now I cant turn it on or get to the boot logo!!!!????
HELP!!!!!!!
follettofolle said:
I erroneously cleared all the NVRAM, included the bootloader, using "Smart Phone Flash Tool". Therefore my phone is now a brick.
Now, it does neither switch on, nor it connects to the Flash tool.
Is there a way to re-flash the bootloader and, eventually, a complete ROM?
thank you for your assistance
Click to expand...
Click to collapse
If you deleted the bootloader then you phone won't boot. If cwm works then you can try flashing a rom but if that doesn't work then your phone is bricked
I was trying to fix boot loop and completely hard bricked my phone. I can only get into AP Fastboot Flash Mode (Secure) in bootloader. I have been trying to flash it with windows batch file copied into firmware folder but not getting anywhere.
'No valid operating system could be found' on the screen when its not in bootloader.
Please help flash the stock ROM.
Thanks
How I fixed my Z4 XT1980-3
TLDR, try downloading and using the Lenovo Moto Smart Assistant (LMSA) tool
Yesterday I was trying to root my new Z4 and flashed a magisk patched boot img after I got the bootloader unlocked, and I'm pretty sure I ended up exactly where you are. I panicked, tried to do a recovery, a factory reset, nada and got suck in fastboot (apparently that's a Motorola thing). Then I stumbled on a thread elsewhere referring to the Lenovo Moto Smart Assistant (LMSA) tool.
I downloaded it thinking it couldn't hurt. After I started the program and waited through the stupid splash screen, I connected my device (which my PC could no longer detect) and it immediately began installing the Motorola drivers (by that point I had uninstalled just about everything).
I used the rescue function, chose my model, and it downloaded the stock rom. After about an hour, it finished and I started the rescue process. It went through fine until it got to 47%, and then it seemed to hang. After I waited (probably not long enough), I restarted fastboot and unplugged then plugged my phone back in, and it installed the rom and restarted. Back to stock! Not rooted, but working with the BL still unlocked. Yay!
I was shocked at how easy it was, I got cocky and immediately proceeded to soft brick it again. I thought I was better off this time because I wasn't stuck in fastboot, but using the LMSA program was not successful several times. Some times it told me my device wasn't compatible, other times it would just fail. After messing around with it all afternoon, I was where I was the night before--no phone. I was bummed and figured I deserved it, but kept messing with it. I rebooted and had the program redownload the rom, tried it again, and it worked!
No idea if this is the same problem or if it can work for you, but probably can't make it worse? --A
aurelya.hyjal said:
TLDR, try downloading and using the Lenovo Moto Smart Assistant (LMSA) tool
Yesterday I was trying to root my new Z4 and flashed a magisk patched boot img after I got the bootloader unlocked, and I'm pretty sure I ended up exactly where you are. I panicked, tried to do a recovery, a factory reset, nada and got suck in fastboot (apparently that's a Motorola thing). Then I stumbled on a thread elsewhere referring to the Lenovo Moto Smart Assistant (LMSA) tool.
I downloaded it thinking it couldn't hurt. After I started the program and waited through the stupid splash screen, I connected my device (which my PC could no longer detect) and it immediately began installing the Motorola drivers (by that point I had uninstalled just about everything).
I used the rescue function, chose my model, and it downloaded the stock rom. After about an hour, it finished and I started the rescue process. It went through fine until it got to 47%, and then it seemed to hang. After I waited (probably not long enough), I restarted fastboot and unplugged then plugged my phone back in, and it installed the rom and restarted. Back to stock! Not rooted, but working with the BL still unlocked. Yay!
I was shocked at how easy it was, I got cocky and immediately proceeded to soft brick it again. I thought I was better off this time because I wasn't stuck in fastboot, but using the LMSA program was not successful several times. Some times it told me my device wasn't compatible, other times it would just fail. After messing around with it all afternoon, I was where I was the night before--no phone. I was bummed and figured I deserved it, but kept messing with it. I rebooted and had the program redownload the rom, tried it again, and it worked!
No idea if this is the same problem or if it can work for you, but probably can't make it worse? --A
Click to expand...
Click to collapse
I really appreciate your reply.
I have tried LMSA tool but it's failing once I select the model number "Failed to match the connected device. Please plug it out and try again.". I have attached the screenshot.
Motorola ADB Interface driver is installed just like you described.
I think the bootloader is locked (Verizon ver.) and don't think there is any way to unlock it.
Thanks again for looking into this.
pate201 said:
I really appreciate your reply.
I have tried LMSA tool but it's failing once I select the model number "Failed to match the connected device. Please plug it out and try again.". I have attached the screenshot.
Motorola ADB Interface driver is installed just like you described.
I think the bootloader is locked (Verizon ver.) and don't think there is any way to unlock it.
Thanks again for looking into this.
Click to expand...
Click to collapse
UPDATE:
I managed to flashed stock ROM successfully without any error. But the phone is still in boot loop at logo instead of bootloader screen. Baseband is <not found> when booting into fastboot mode. LMSA tool still failing to to match the connected device. Verizon Software Upgrade Assistant is recognizing the phone in fastboot mode and trying to repair but software is not installing downloaded updates; it is stuck at 0% even won't do anything.
I think, I need to fix the Baseband but not sure what to do.
Thanks
I'm pretty confused where you are in the process.
Your device is Verizon? My understanding (and I could be wrong) is that Verizon devices can't have their bootloader unlocked, and without unlocking the bootloader, you can't flash a new ROM.
So, is your BL unlocked?
I specifically got the unlocked Amazon variant Z4 XT1980-3 hoping I could unlock the BL and root. I was able to do both, but I could only root after I got the BL unlocked.
I think I could upload my baseband file if you want to play around, but I have no idea if you're gonna brick your device. I'd check around in other forums/online and see what you can find out. I got the z4 because it was super cheap (comparatively) so if I killed it I wouldn't feel too bad buying a replacement. But $$'s still $$.
GL man!
aurelya.hyjal said:
I'm pretty confused where you are in the process.
Your device is Verizon? My understanding (and I could be wrong) is that Verizon devices can't have their bootloader unlocked, and without unlocking the bootloader, you can't flash a new ROM.
So, is your BL unlocked?
I specifically got the unlocked Amazon variant Z4 XT1980-3 hoping I could unlock the BL and root. I was able to do both, but I could only root after I got the BL unlocked.
I think I could upload my baseband file if you want to play around, but I have no idea if you're gonna brick your device. I'd check around in other forums/online and see what you can find out. I got the z4 because it was super cheap (comparatively) so if I killed it I wouldn't feel too bad buying a replacement. But $$'s still $$.
GL man!
Click to expand...
Click to collapse
You are right, it is a Verizon (XT1980-4) device and I cannot get the bootloader unlocked. I was only trying flash stock to unbrick it. I flashed the stock VZW firmware that I found somewhere without any error using fastboot.
Sure, I can give it a try with your baseband file. I already have stock Flash ready to re-flash it if necessary, and my device is not in working condition so nothing to loose.
Thanks for you reply.
I'll try to do that tonight when I get home from work. Sorry my responses have been so dumb. I'm still figuring it all out.
I would also need help to flash stock ROM. I have Z4 XT1980-3 with BL LOCKED. Already tried to reflash factory image via fastboot after an unsuccessful OTA upgrade. I can flash all parts except of boot, dspso and vbmeta. For these I get a "Preflash validation failed" error. So I have not been able to flash an entire factory image. I can only go to fastboot mode, nothing else. LMSA says my device is not compatible. RSD Lite says my device can not be switched to fastboot mode (but I already am in fastboot mode ???). So no joy with these. Can anybody give me any advice how to reanimate my device?
Maheshwara said:
I would also need help to flash stock ROM. I have Z4 XT1980-3 with BL LOCKED. Already tried to reflash factory image via fastboot after an unsuccessful OTA upgrade. I can flash all parts except of boot, dspso and vbmeta. For these I get a "Preflash validation failed" error. So I have not been able to flash an entire factory image. I can only go to fastboot mode, nothing else. LMSA says my device is not compatible. RSD Lite says my device can not be switched to fastboot mode (but I already am in fastboot mode ???). So no joy with these. Can anybody give me any advice how to reanimate my device?
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Click to collapse
I am also on same boat with Z4 XT1980-4 Verizon model. Bootloader is locked and Baseband missing on the fastboot screen. Please help if anyone have recover their phone from this.
Thanks
Hi guys! I hope you can help me with this.
My phone is an LG Aristo (T-Mobile). It had the custom TWRP and root recovery. It had been working perfectly for months. Until a few nights ago in full use, the mobile turned off, and when it restarted, it reached the logo and restarted again, giving a kind of mini blue screen. Before those days I had already suddenly restarted, but it turned on normally.
To solve the problem, I go to the recovery mode, but it does not finish loading, it remains in the logo, stuck, without restarting or anything. I discarded the recovery and tried to flash its original rom from its PC tool, but I was surprised that the Download mode does not load, I enter, the icon appears but after a few seconds it sends me to Fastboot ..
The only thing I have viable is the fastboot. I have tried flashing the recovery.img but it still won't start ..
Tell me what can I do please !!!
XxcoolhackerxX said:
buy new phone ;P
k, now serious. if ur phone does not even boot to the recovery or fastboot, its might be hardware issue. go to mobile service center to know for sure
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Click to collapse
Just load the Fastboot, and it is recognized by the pc. But just that...
@DavilaMdl
As I can see you are proud owner of a softbricked phone.
Because phone is accessible in Fastboot mode my recommendation: Re-flash phone's Stock ROM to get rid off of all mods you applied to the phone.
Hint: Replace this thread's absolutely meaningless title by LG Aristo (T-Mobile) How to unbrick? thus mainly owners of such a phone get addressed.
jwoegerbauer said:
Hint: Replace this thread's absolutely meaningless title by LG Aristo (T-Mobile) How to unbrick? thus mainly owners of such a phone get addressed.
Click to expand...
Click to collapse
Thanks you!
.
marcus10101 said:
Is there any way I can install Oxygen OS again?
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Click to collapse
MSM tool can get you back to stock. I've had to use it several times. It can be flashed from Qualcomm crashdump mode. It will wipe your phone and relock your bootloader (not optional) but you can unlock it again (another wipe).
[OP8][OOS 21AA/BA/DA] Unbrick tool to restore your device to OxygenOS
Disclaimer: By attempting any of the processes listed in this thread you accept full responsibility for your actions. I will not be held responsible if your device stops working, catches fire, or turns into a hipster and claims to have been...
forum.xda-developers.com
My OnePlus was bricked and it's bootloader is locked too, I have tried most of the steps like msm and those Bat files etc. But error is coming
"Remote : Flashing is not allowed in locked state"
Even tried that all in one tool that also can't unlock my bootloader
Now plz someone show me steps it will be a great help
Dinesh033 said:
My OnePlus was bricked and it's bootloader is locked too, I have tried most of the steps like msm and those Bat files etc. But error is coming
"Remote : Flashing is not allowed in locked state"
Even tried that all in one tool that also can't unlock my bootloader
Now plz someone show me steps it will be a great help
Click to expand...
Click to collapse
You get 'remote: flashing is not allowed', because you have 'Oem unlock allowed' toggle unchecked in Settings/Developer, and since you can't boot your device to allow unlock, your only option is flashing with MSM tool.
But msm also I have tried, it's getting completed but device hangs again in black screen in logo mode, I have tried 3 different msm tools too
Dinesh033 said:
But msm also I have tried, it's getting completed but device hangs again in black screen in logo mode, I have tried 3 different msm tools too
Click to expand...
Click to collapse
You can only successfully restore your phone with an EDL mode (where you turn your phone off, press and hold volume up and connect it to a computer with already started MSM tool). If the process completes, the phone should start. As a matter of fact, it should restart while the MSM tool is still working. Perhaps, it doesn't complete fully, because of a missing WIndows driver.
What did you do that has caused the problem?
optimumpro said:
You can only successfully restore your phone with an EDL mode (where you turn your phone off, press and hold volume up and connect it to a computer with already started MSM tool). If the process completes, the phone should start. As a matter of fact, it should restart while the MSM tool is still working. Perhaps, it doesn't complete fully, because of a missing WIndows driver.
What did you do that has caused the problem?
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Click to collapse
It was sudden by itself, it was on stock os and setting never even tried root or unlocking anything extra, I think hardware is gone bad may be storage as me and 2 more technician have used all methods but failed, now they also said hardware change required some 3500 bucks cost, I have now purchased Realme GT 5g ... Now using this from yesterday it's amazing