Retrieve data from OnePlus 6 device in Qualcomm Crashdump Mode - OnePlus 6 Questions & Answers

My OnePlus 6 all of a sudden froze and went into Qualcomm Crashdump Mode. I tried restarting it normally, in fastboot mode and also recovery mode, and 9 out of 10 times it just reboots to show the same Qualcomm Crashdump Mode page. But occasionally it does seem to boot the phone normally and I can see my lock screen and access my apps & data, but within 30-40 seconds it just freezes again and reboots and goes to the Qualcomm Crashdump Mode. That 30-40 seconds isn't sufficient to copy across all the data I need. Is there any way I can copy or retrieve my data from this device?
I tried doing a cache wipe in recovery mode but that didn't help either.

au_an said:
My OnePlus 6 all of a sudden froze and went into Qualcomm Crashdump Mode. I tried restarting it normally, in fastboot mode and also recovery mode, and 9 out of 10 times it just reboots to show the same Qualcomm Crashdump Mode page. But occasionally it does seem to boot the phone normally and I can see my lock screen and access my apps & data, but within 30-40 seconds it just freezes again and reboots and goes to the Qualcomm Crashdump Mode. That 30-40 seconds isn't sufficient to copy across all the data I need. Is there any way I can copy or retrieve my data from this device?
I tried doing a cache wipe in recovery mode but that didn't help either.
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That's likely a HW issue so apart from doing HW related stuff i doubt there is a way.
You could try from recovery on that 10% chance it does boots, maybe it will survive in recovery but i wouldn't get my hopes high.
Best chance is either forget about the data or get it to a repair shop, if they can pinpoint the problem or replace the component causing this, you will get a working phone, otherwise they could also read your data directly from the memory chips.
Example

au_an said:
My OnePlus 6 all of a sudden froze and went into Qualcomm Crashdump Mode. I tried restarting it normally, in fastboot mode and also recovery mode, and 9 out of 10 times it just reboots to show the same Qualcomm Crashdump Mode page. But occasionally it does seem to boot the phone normally and I can see my lock screen and access my apps & data, but within 30-40 seconds it just freezes again and reboots and goes to the Qualcomm Crashdump Mode. That 30-40 seconds isn't sufficient to copy across all the data I need. Is there any way I can copy or retrieve my data from this device?
I tried doing a cache wipe in recovery mode but that didn't help either.
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Click to collapse
The best way is to install Custom recovery such as TWRP and backup your data. This will happen if you have unlocked bootloader. Else there is a way to use adb in stock recovery but that's a long process.

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So far I've tried clearing the dalvik cache and restoring to factory settings. I've attempted to ref-flash stock TOT file via flash tool but phone won't even get into download mode (it looks like its missing) all I get is this screen https://imgur.com/a/VzWZCLW Drivers installed can't get recognized by windows 7 or 10. Device was never rooted everything is stock, just wondering if this goes to trash or anything can be done with it

HELP!! Stock RN6 pro stuck in mi-recovery 3.0 :-(

Hello,
A few days back, when I was using my phone (redmi note 6 pro tulip), the screen suddenly greyed out and started rebooting. Within a minute, the phone went to mi-recovery 3.0.
Now, no matter how I try to reboot the phone (from recovery or by hard buttons) , it boots directly into recovery. Even If I don't do anything, it just cycles through the grey screen, mi logo, and recovery.
More info:
- The phone is completely stock, original MIUI 11 ( android 9.0) firmware from OEM. No root access, no unlocked bootloader or anything else like that. Warranty period is over.
- I can access fastboot mode.
- usb debugging isn't on iirc.
- I tried force shut down by hard buttons and disconnecting the battery, but when rebooting again, nothing changes.
- I tried booting to safe mode but it just shows a black screen and a small safe mode logo in the bottom left.
- mi-recovery 3.0 only allows to wipe all data, which is unfeasible since I have alot of unbacked data that I can't lose.
What can I do now? I've heard that flashing by edl method from an authorized account can save data. And something about a chinese mi pcsuite version. Could anyone provide more information on these? Or any other way to solve the problem?
I want to recover data (photos, videos and docs) and revive my phone.
Thanks in advance
Naa'vy said:
Hello,
A few days back, when I was using my phone (redmi note 6 pro tulip), the screen suddenly greyed out and started rebooting. Within a minute, the phone went to mi-recovery 3.0.
Now, no matter how I try to reboot the phone (from recovery or by hard buttons) , it boots directly into recovery. Even If I don't do anything, it just cycles through the grey screen, mi logo, and recovery.
More info:
- The phone is completely stock, original MIUI 11 ( android 9.0) firmware from OEM. No root access, no unlocked bootloader or anything else like that. Warranty period is over.
- I can access fastboot mode.
- usb debugging isn't on iirc.
- I tried force shut down by hard buttons and disconnecting the battery, but when rebooting again, nothing changes.
- I tried booting to safe mode but it just shows a black screen and a small safe mode logo in the bottom left.
- mi-recovery 3.0 only allows to wipe all data, which is unfeasible since I have alot of unbacked data that I can't lose.
What can I do now? I've heard that flashing by edl method from an authorized account can save data. And something about a chinese mi pcsuite version. Could anyone provide more information on these? Or any other way to solve the problem?
I want to recover data (photos, videos and docs) and revive my phone.
Thanks in advance
Click to expand...
Click to collapse
A lot of edl flashing articles on miui forum and mi community are 404 not found now. Please help!!
You solved? I'm with the exactly same problem and I found nothing specifically for this, plus, I tried wipe data already and it still doesn't work.
It maybe be button issue (the volume and power keys have gone bad probably). Remove the buttons from main board and try to boot into system.
I was facing the exact same problem.
And I discovered that it was caused because of the volume button that was kinda stuck, forcing the phone to enter recovery mode every time I tried to reboot it, as mentioned by @HumanBoy23.
After I got the volume buttons unstuck the phone booted normally.

Update 11.1.1.1 installed successfully on OP 6T but is stuck in loading

Hello,
Anyone else having problems after this update? I did it now and my phone does not start anymore. Or at least it hangs in the loading screen with the red and 2 white dots.
I shut it down with power and vol + twice but with no effect. It does not react on the power cable being inserted. When it's powered off and I insert the cable it starts to the loading screen, currently showing 14 %.
How to solve this?
Thank you!
I can boot into recovery or fastboot. Not sure how helpful that is though.
try to format data if you're able to go to recovery. as long you have recovery and fastboot intact, it's basically not ****ed up yet
dewa5227 said:
try to format data if you're able to go to recovery. as long you have recovery and fastboot intact, it's basically not ****ed up yet
Click to expand...
Click to collapse
But how can I save my data? I mean when I'm in recovery I have to enter the password before, so the data gets decrypted. But with USB attached I can only see 5 files on my desktop computer.
I emptied the battery and loaded it fully, then restarted. After a long time it say "This device has entered an unstable state. Please try rebooting your device using the exit button below..." and so on.
I hope a data recovery company isn't the only solution.
Also, is there no way to repair it? Like running the update again or something?
Why is there no „apply update from adb“ option in the recovery menu of OnePlus? Apparently I could have used that to backup all my data from the phone.
I tried wiping the cache partition without success so far.
So did Android squeeze security so much that not even the owner can save his data in this status now anymore? A bit sad when they themself break the phone with an update then.
What about these recovery services that also recover data from harddrives? Do they break the phone when they do their thing?

oneplus6 bricked need help with data backup

Some days back my one plus 6 ( non rooted) randomly died while charging. it kept ending up in qualcomm crashdump mode and wont start.
i enterd the recovery mode and cleared the cache and reset the system settings (not a hard reset as i wanted to keep the data.)
after that it brings me to a black screen with oneplus logo and pattern lock. it refuses to recognize my pattern lock. also it takes several tries to enter the pattern which fails after showing decrypting bar .
i installed the quallcom drivers but when i enter EDL mode and connect my phone to PC it shows exclamation on the driver in device manager it is recognized in device manager under other devices as android which also has the error exclamation on it.
is there a way to get the data from the phone its my work related data that was not backed up.
thanks for help in advance.

How to bypass Recovery Mode?

Hello everyone,
So I have a rare issue. I have a OnePlus 6. Today, it started to act really weird. It became so slow that even swiping on home screen with no apps opened takes like a minute to register. I forced power off the device. When powering on again, it seemed like it take around 10 minutes or so to boot. Again, extremely slow. I tried everything from restarting and clearing app cache while in the system itself but no luck.
So, next thing I booted to recovery mode, typed my pin, and cleared system cache and settings. It started to progress until just a tiny bit left before the end of the progress bar, and it got stuck again. Kept like this for a long time. I had to force power off the device again. Now, when I try to power on the device, it launches into Recovery Mode. I tried my pin but it wouldn't decrypt and looks like the device is no longer recognizing it. I tried a couple of "default passwords" but it wouldn't work either. It only gives the option to "Forget Password?" Which should wipe everything off the phone. The only other mode it launches into is Fastboot Mode. I'm using Stock everything and Device State is Locked. I'm not sure where to go from here.
Now my question is, is there any way I can open my device again without losing data? Maybe some way I can pull files using adb in that state then factory reset? Or maybe someway I can bypass Recovery Mode and boot again? I have important data that I can no longer access if the only way to fix this is by wiping everything!
Can anyone help? Much appreciated in advance.
When a phone permanently boots into Recovery mode then either Android OS is corrupted - for whatever reason - or phone's bootloader is misconfigured.
If phone is accessible by either ADB or Fastboot you can try to exit Recovery mode by forcing phone to boot into Android OS ( Normal mode AKA System ) by applying the related ADB and/or Fastboot command.

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