Develop Bugs

Can't find anything like it anywhere else (bootloop)

So I made a post in the general help thread and nobody has replied (although I've only waited a few days so I could probably wait a bit longer) but still I feel like my phone's issues are "unique" compared to other bootloops, I can't find anyone else having the same symptoms on their phone. I'll repost what I said in the general help thread and then give a brief overview of everything because I simply cannot comprehend why I'm unable to get out of bootloop with this damn phone.
So I just recently picked up an old Zenfone 2 (ZE500CL) off of my father who didn't really need it anymore and it was an upgrade from my old ****ty phone, so of course I wanted to root it and after using it for a few hours I wanted to install a custom rom by unlocking the bootloader. Well, I tried that, and something must have gone wrong because I got a bootloop and was only really able to boot into recovery mode.
Now, I didn't backup because I'm dumb for one and two I generally have a good idea of where to start if something does go wrong. The thing is, the methods I've looked up and tried have all failed. First, reflashing the stock rom of my ZE500CL (I've tried four different firmwares from the official website, and I know it's ZE500CL because that's what recovery mode is telling me) does not work. Adb hits 47% in the command prompt, the phone stays at 25% until then, and it goes:
E: failed to verify whole-file signature
E: signature verification failed
Installation aborted
Not sure why it doesn't work, I looked it up and tried various things and it just isn't resolving itself.
So I tried simply running commands like the following:
fastboot flash recovery recovery.img
Using files from the stock firmwares themselves, and that gives me a flash_cmds error. I've tried deleting all of the userdata, the system, the cache, and a factory reset through recovery mode but none of that works. I'd really appreciate any help anyone could offer, this is a pickle and I'd really like to get this phone back up so that I can just run it as a rooted phone.
Click to expand...
Click to collapse
Now, I'll go over the issues quickly:
I'm stuck in bootloop but I can get into recovery mode
Trying to flash any rom, including multiple stock roms from the asus website, results in an installation aborted message at 47% in either ADB or microSD attempt at flashing the rom.
Attempting to run commands like fastboot flash recovery recovery.img ends up giving me a flash_cmds error which I cannot find anywhere else for the Zenfone 2e
Deleting the cache, userdata, system, or factory resetting the phone does not remove the bootloop
Unlocking and relocking the bootloader does nothing
I would really appreciate any help, feels like my phone is a lost cause even when it's not hard bricked.

Try ASUS Flashtool with a .RAW Firmware...
Find on This Thread...

ponnuvelpandian said:
Try ASUS Flashtool with a .RAW Firmware...
Find on This Thread...
Click to expand...
Click to collapse
Thanks, I haven't seen this. I've got the Intel and xFSTK drivers all up and running but my phone isn't being recognized constantly by my computer under Intel Soc in my Driver Manager, and it's not being recognized as MOOREFIELD but rather as CLOVERVIEW PLUS, and only for a second in-between boots on my phone. Can't get the files to be downloaded through xFSTK, so I've hit a snag here unless someone knows the solution to this.
I'll try just running the flash tool and using a raw firmware, then, since I can't do any of the other stuff.
EDIT: Looks like the issue I was having before is stopping me from running the tool, seems that the computer needs to recognize my phone through the Intel drivers at all time (which it doesn't) in order to run the tool. Also I can't get the tool to view the raw file, it only seems to read zip files (so I put the raw into an empty zip, thinking that could maybe work but I don't know for sure). Damnit, I don't know why this is so difficult.
EDIT 2: All right! Looks like I got it working. The process was relatively simple, actually. It involved booting into TWRP but I wasn't able to most of the time for some reason, it would just never do it. But, I was able to using the CWM Zenfone 2 bat file located here: http://forum.xda-developers.com/zenfone2/help/ze500cl-rooting-related-stuff-t3163528/
Then, I needed the stock rom for my ZE550CL placed onto an external sd card which can be found here: http://forum.xda-developers.com/zenfone2/help/ze550cl-factory-reset-return-to-stock-t3141513
So I would download the CWM Zenfone 2, replace the recovery file as the post states, then run the file. After that, I would run T4 since T1 and T2 didn't work (never tried T3), only T4 would seem to boot me into TWRP. From there, I went to Install, left Zip Verification unchecked, and let the damn thing run. It was the only thing that would run for me, even when doing it with ADB it wouldn't work with the stock rom. Then, I just rebooted and now I'm back on my phone. Hopefully this helps anyone else having this troubling issue, it was terrible!

Oneplus 3 do not boot after installing OxygenOS 4.0.2

Hello everyone!
My oneplus3 is actually running no OS and I'm having a boot loop.
I will try to explain what happened to me with the most details I can.
Before I ****ed everything up, I think I was running OxygenOS 3.28, not really sure about it but im 100% sure it was below 4.0, and it was rooted with TWRP 3.0.2 installed.
1) Today I had a pop up saying OxygenOS 4.0.2 was available (the official one that pops on the screen on boot) "Yay so coooool Nougat!"
1.1) I downloaded it, 1.4Go, then I pressed install
1.2) TWRP showed up, I didn't know what to do and that's where I ****ed up, I set my phone "factory new" in TWRP.
1.3) Phone restarted fresh new, I thought I had 4.0.2 but naaaaah would've been too easy so the official pop up showed again, I was still 3.28 I think.
1.4) Downloaded it once more, TWRP opened again, this time i was looking for the update i just downloaded in the "install" section. I browsed for quite a while and couldn't find it.
1.5) Master ****-up here: I tried to restore a backup. Then the bootloop happened. The black screen with "Oneplus" written in white. I was able to go back in TWRP by pressing power + volume down
1.6) Tried every kind of restore unsuccessfully, and tried ADB but it wouldn't load. Also TWRP said that I was running no OS when I wanted to turn off my phone for example.
2) I downloaded 4.0.2 from one plus website on my mac, and i flashed the official recovery instead of TWRP.
2.1) Transferred the update from my mac to my PC (seems important to me) and installed ADB & everything on both PC/O+3.
2.2) so adb worked in forceboot, i've been able to flash official recovery, tried once more to wipe & everything, but clearly I have no OS now, as TWRP said.
2.3) so i had the update in a folder (not a zip, probably due to the download being done from a mac), I made it a .ZIP with winrar, but "adb sideload update.zip" crashed at 0% everytime
2.4) looked at the archive then i noticed it was first a folder "OnePlus3Oxygen_16_OTA_039_all_1701140133_03b794d8a8b44883" then inside it i had the content like "boot.img" & everything. So i zipped it again but without that first folder because I thought it was the problem, but it kept on crashing 0%.
2.5) restarted my PC, looked on several forums, but i couldn't find any fix. Now adb can't even open update.zip anymore, it fails even before 0%.. I tried naming it .zip.zip, keeping the name "OnePlus3Oxygen_16_OTA_039_all_1701140133_03b794d8a8b44883.zip", using a third party app to allow more RAM to the cmd app...
I've been trying hard for 4 hours but I still have a O+3 without any OS... My last idea is downloading "OnePlus3Oxygen_16_OTA_039_all_1701140133_03b794d8a8b44883.zip" from my PC so it downloads it directly .zip unlike on my mac...
I hope I said everything, sorry for the long post but i'm desperate.. thanks for your attention,
Valentin

Try this guide: https://forum.xda-developers.com/oneplus-3/how-to/guide-flashing-oos-v4-0-1-custom-rom-t3537757
Let me know if it works.
EDIT: See FAQ #1, 2, 4, 12, 14 and 17.

dbabaev21 said:
Try this guide: https://forum.xda-developers.com/oneplus-3/how-to/guide-flashing-oos-v4-0-1-custom-rom-t3537757
Let me know if it works.
EDIT: See FAQ #1, 2, 4, 12, 14 and 17.
Click to expand...
Click to collapse
Thank you for answering! unfortunately i've already tried that and my problem occurs when i try to sideload the update from adb recovery... "couldn't load 'update.zip'"
I dont really know what to do now because I think my only option here is to load the OS through adb as I can't boot my phone to get the update zip inside a specified folder to load it from internal storage.

Try to install the new official TWRP version i think it is 3.0.3-0 through fastboot. Boot up TWRP, wipe every partiton and copy the update.zip onto the phone. You can copy it by connecting it normaly via USB(like you would do in OOS) and install the zip file afterwards.

Sleazy_ said:
Thank you for answering! unfortunately i've already tried that and my problem occurs when i try to sideload the update from adb recovery... "couldn't load 'update.zip'"
I dont really know what to do now because I think my only option here is to load the OS through adb as I can't boot my phone to get the update zip inside a specified folder to load it from internal storage.
Click to expand...
Click to collapse
install stock recovery and then try installing official OS. Or install modded twrp 3.0.2-1.28 and then try installing Freedom OS 2.3 via sideload or through internal storage.

Sleazy_ said:
Thank you for answering! unfortunately i've already tried that and my problem occurs when i try to sideload the update from adb recovery... "couldn't load 'update.zip'"
I dont really know what to do now because I think my only option here is to load the OS through adb as I can't boot my phone to get the update zip inside a specified folder to load it from internal storage.
Click to expand...
Click to collapse
Stop fiddling with the ROM. Download the ROM afresh directly to your Windows PC/laptop. Check the md5. Then start experimenting with the other suggestions but don't again meddle with the ROM!

Sleazy_ said:
Thank you for answering! unfortunately i've already tried that and my problem occurs when i try to sideload the update from adb recovery... "couldn't load 'update.zip'"
I dont really know what to do now because I think my only option here is to load the OS through adb as I can't boot my phone to get the update zip inside a specified folder to load it from internal storage.
Click to expand...
Click to collapse
I read your post again and here are a few things:
* Don't update Stock OOS via "System updates" in Settings if you are rooted and have TWRP
* Back up your data before updating, wiping or doing something with your phone.
* For the ADB error, see the FAQ #17 in the guide I provided.
Now, try this:
Flash TWRP via fastboot > boot to TWRP > connect your phone to your PC and copy the full Stock OOS v4.0.2 OTA to your phone > reboot to fastboot and flash Stock Recovery.
It didn't touch the internal storage. So, try to install from internal storage when you are in Stock Recovery.
Let me know if it worked.

I think I bricked my ZE551ML_Z00A

Hi everyone, I think I bricked my ZE551ML by being very very dumb, how did I come in such troubles? Well I'll explain you the whole story.
Usually I'm quite good with IT but I'm new to Android and I wanted to install Lineageos because I don't like Asus's ROM, so I searched tutorials and I found the lineage website tutorial at first it didn't seem like a hard task for me, so I started following the tutorial and I got stopped first with trying to get twrp-3.1.1-0-Z00A on the device but didn't seem to work so I tried an older version witch didn't worked too, so I came to xda to get the twrp_z00a_v24_repack and it worked (so well that I erased the system without saving anything just in case but I saved myself by getting the Asus ROM and pushing it to /sdcard/ ) so I attempted to install Lineage (that time with a save) but it gave me the "error executing updater binary in zip" so I searched on the Internet and it seemed that I had to root the phone so I downloaded addonsu-14.1-x86-signed from the Lineageos website and ran it on twrp and it told me that it worked so I wiped the system (I still got the backup) and tried to install Lineage but the same error showed up so I was thinking "Hmm maybe due to TWRP being an old version it might not work if it's not updated" so I rebooted to fastboot and then did fastboot flash recovery twrp-3.1.1-0-Z00A and tried to go in recovery, the phone rebooted, the splashscreen showed and it got to a screen similar to the splashscreen and did nothing (just heard the plug-in device sound in Windows), when I try to shut down and push the power + "+" Button it just starts as normal and the fastboot mode doesn't show.
So that's where I am, if someone could do a dumbproof step by step tutorial on how to unbrick that thing and then install Lineageos that would be so great.
Thank so much to the person (or people) that will help me
PS: I tried to search how to get out of this mess but I didn't understood all of it so I didn't wanted to get in more troubles.

Yuno17 said:
Hi everyone, I think I bricked my ZE551ML by being very very dumb, how did I come in such troubles? Well I'll explain you the whole story.
Usually I'm quite good with IT but I'm new to Android and I wanted to install Lineageos because I don't like Asus's ROM, so I searched tutorials and I found the lineage website tutorial at first it didn't seem like a hard task for me, so I started following the tutorial and I got stopped first with trying to get twrp-3.1.1-0-Z00A on the device but didn't seem to work so I tried an older version witch didn't worked too, so I came to xda to get the twrp_z00a_v24_repack and it worked (so well that I erased the system without saving anything just in case but I saved myself by getting the Asus ROM and pushing it to /sdcard/ ) so I attempted to install Lineage (that time with a save) but it gave me the "error executing updater binary in zip" so I searched on the Internet and it seemed that I had to root the phone so I downloaded addonsu-14.1-x86-signed from the Lineageos website and ran it on twrp and it told me that it worked so I wiped the system (I still got the backup) and tried to install Lineage but the same error showed up so I was thinking "Hmm maybe due to TWRP being an old version it might not work if it's not updated" so I rebooted to fastboot and then did fastboot flash recovery twrp-3.1.1-0-Z00A and tried to go in recovery, the phone rebooted, the splashscreen showed and it got to a screen similar to the splashscreen and did nothing (just heard the plug-in device sound in Windows), when I try to shut down and push the power + "+" Button it just starts as normal and the fastboot mode doesn't show.
So that's where I am, if someone could do a dumbproof step by step tutorial on how to unbrick that thing and then install Lineageos that would be so great.
Thank so much to the person (or people) that will help me
PS: I tried to search how to get out of this mess but I didn't understood all of it so I didn't wanted to get in more troubles.
Click to expand...
Click to collapse
if you are able to access recovery then dd fastboot there. if no recovery, no fastboot, no system there isonly option left. go to below thread and do step by step as suggested.. after you get fastboot mode back, do not use asus flash tool use commands to flash raw firmware see section flash firmware without AFT
https://forum.xda-developers.com/zenfone2/help/thead-bricked-phone-updating-to-mm-tips-t3452785

sukhwant717 said:
if you are able to access recovery then dd fastboot there. if no recovery, no fastboot, no system there isonly option left. go to below thread and do step by step as suggested.. after you get fastboot mode back, do not use asus flash tool use commands to flash raw firmware see section flash firmware without AFT
https://forum.xda-developers.com/zenfone2/help/thead-bricked-phone-updating-to-mm-tips-t3452785
Click to expand...
Click to collapse
Hi, thanks for the reply, I don't know if I have to post it here or on the guide but xFSTK-downloader just won't run (Windows 10 1151) and it doesn't show up in task manager (even when the antivirus is disabled).
Have you got an idea on why it doesn't work?

Yuno17 said:
Hi, thanks for the reply, I don't know if I have to post it here or on the guide but xFSTK-downloader just won't run (Windows 10 1151) and it doesn't show up in task manager (even when the antivirus is disabled).
Have you got an idea on why it doesn't work?
Click to expand...
Click to collapse
very first of all uninstall everything especially i soc drivers and xFSTK. then disable driver signature enforcement. and go to thread above posted and do step by step.
how to disable signature enforcement and install driver on win 10 see in thread above

Help - Pixel 3 stuck after failed flash-all...

Hi, I'm new here... After browsing all over Internet and trying for many hours, hope I can get some help here.
So I was brave yesterday and wanted to root my pixel 3 to install some new themes. Unlocked bootloader, but I screwed up with Magisk / TWRP and the phone could not boot any more. At that point, I was still able to see the phone in adb. Then I tried to flash the stock rom using flash-all, but the process failed at one file (vendor_a?).
Unfortunately, I decided to reboot the phone - and now I'm stuck because the phone will be deadlocked showing the Google screen, and my PC cannot recognize the phone any more. adb shows no device, and device manager doesn't see any Android device. I have the latest developer tools and also installed the latest Google USB driver (at least I think), but now when I plug the phone in, I do hear the new device sound, but it is only recognized as a general USB device.
I can't even turn off the phone. Long pressing power will only go back to restart the phone and the first screen shows "this device is corrupted". Go on to the second screen will only give me an option to pause, with nothing else to choose from. I can't reboot into TWRP or recovery.
Any thoughts? Thanks a lot...

edx2000 said:
Hi, I'm new here... After browsing all over Internet and trying for many hours, hope I can get some help here.
So I was brave yesterday and wanted to root my pixel 3 to install some new themes. Unlocked bootloader, but I screwed up with Magisk / TWRP and the phone could not boot any more. At that point, I was still able to see the phone in adb. Then I tried to flash the stock rom using flash-all, but the process failed at one file (vendor_a?).
Unfortunately, I decided to reboot the phone - and now I'm stuck because the phone will be deadlocked showing the Google screen, and my PC cannot recognize the phone any more. adb shows no device, and device manager doesn't see any Android device. I have the latest developer tools and also installed the latest Google USB driver (at least I think), but now when I plug the phone in, I do hear the new device sound, but it is only recognized as a general USB device.
I can't even turn off the phone. Long pressing power will only go back to restart the phone and the first screen shows "this device is corrupted". Go on to the second screen will only give me an option to pause, with nothing else to choose from. I can't reboot into TWRP or recovery.
Any thoughts? Thanks a lot...
Click to expand...
Click to collapse
First off, if you did successfully unlock your bootloader there is a 99% chance you will be able to recover from this. In fastboot mode is the phone state shown as "unlocked" ? Do you have a second PC or laptop to install the standalone adb/fastboot binaries on? adb does not work in fastboot mode, only in stock recovery mode. First re-try fastboot flashing the full image while in fastboot mode without modifying the flash-all.bat (allow it to wipe). You may also want to check the CRC (checksum) on the image you downloaded to verify it is not corrupt. If unlocked and that install fails capture the error and report back. Then try using adb from the stock recovery. You Tube how to get into recovery and use update via adb with a (different) full OTA image. The full OTA images are also available on the same Google dev site as the factory image, and is sometimes called a rescue OTA. You're in the right place to get help, but you need to provide all relevant information (such as previously installing a custom rom).

try holding power and vol down until the phone reboots and comes back to the menu where you should hopefully get back to Android Recovery mode where you should be able to use adb and the OTA via a sideload......for some strange reason I always get screwed on the vendor partition when using the flash-all script....never have figured it out
GL!!

v12xke said:
First off, if you did successfully unlock your bootloader there is a 99% chance you will be able to recover from this. In fastboot mode is the phone state shown as "unlocked" ? Do you have a second PC or laptop to install the standalone adb/fastboot binaries on? adb does not work in fastboot mode, only in stock recovery mode. First re-try fastboot flashing the full image while in fastboot mode without modifying the flash-all.bat (allow it to wipe). You may also want to check the CRC (checksum) on the image you downloaded to verify it is not corrupt. If unlocked and that install fails capture the error and report back. Then try using adb from the stock recovery. You Tube how to get into recovery and use update via adb with a (different) full OTA image. The full OTA images are also available on the same Google dev site as the factory image, and is sometimes called a rescue OTA. You're in the right place to get help, but you need to provide all relevant information (such as previously installing a custom rom).
Click to expand...
Click to collapse
cmh714 said:
try holding power and vol down until the phone reboots and comes back to the menu where you should hopefully get back to Android Recovery mode where you should be able to use adb and the OTA via a sideload......for some strange reason I always get screwed on the vendor partition when using the flash-all script....never have figured it out
GL!!
Click to expand...
Click to collapse
Thank you guys. I was able to make some progress but now I'm stuck somewhere else.
If I run flash-all, the error message I get is:
"Sending sparse 'vendor_a' 1/2 (262140 KB) FAILED (Error reading sparse file)
Finished. Total time: 108.152s
Press any key to exit..."
Alternatively, I tried sideload in recovery mode, and I get:
"E:footer is wrong
Update package verification took 0.2s
E:Signature verification failed
E:error:21
So it seems the zip I downloaded is corrupted? But I downloaded two different versions from Google Developers and both failed.
Any suggestions? I'm going to try it one more time with another computer.

edx2000 said:
Thank you guys. I was able to make some progress but now I'm stuck somewhere else.
If I run flash-all, the error message I get is:
"Sending sparse 'vendor_a' 1/2 (262140 KB) FAILED (Error reading sparse file)
Finished. Total time: 108.152s
Press any key to exit..."
Alternatively, I tried sideload in recovery mode, and I get:
"E:footer is wrong
Update package verification took 0.2s
E:Signature verification failed
E:error:21
So it seems the zip I downloaded is corrupted? But I downloaded two different versions from Google Developers and both failed.
Any suggestions? I'm going to try it one more time with another computer.
Click to expand...
Click to collapse
Have you also tried a 2.0 USB A to USB C cable, or a different set of cables period?

do what I told you....I always fail at the vendor junk but can easily get the ota sideloaded....give it a try, forget flash-all
EDIT: just read the rest of your post...hmm....
well assuming you get the correct hash after downloading, it should work. after that its computer, port, drivers, sdk, and cable thats a potential issue.
again for me, I always fail on vendor. it happened on my pixel 2xl and still on the 3xl. I have tried multiple pc's, cables, etc and always fail at the vendor partition, but the ota sideload through android recovery always worked. YMMV

cmh714 said:
do what I told you....I always fail at the vendor junk but can easily get the ota sideloaded....give it a try, forget flash-all
EDIT: just read the rest of your post...hmm....
well assuming you get the correct hash after downloading, it should work. after that its computer, port, drivers, sdk, and cable thats a potential issue.
again for me, I always fail on vendor. it happened on my pixel 2xl and still on the 3xl. I have tried multiple pc's, cables, etc and always fail at the vendor partition, but the ota sideload through android recovery always worked. YMMV
Click to expand...
Click to collapse
If vendor "always" fails on your PXL3 you may want to find out why. Could be a symptom of some problem with your phone.

Homeboy76 said:
If vendor "always" fails on your PXL3 you may want to find out why. Could be a symptom of some problem with your phone.
Click to expand...
Click to collapse
I doubt that....happened with my xl2 as well....tried multiple PC's, ports, cables, etc. nothing seems to work so I have been using the OTA as that has been bulletproof thus far

Make your you have latest fastboot and adb, a good non usbc to usb c cable, boot into fastboot, flash all, profit. If your bootloader is unlock your good.

edx2000 said:
Thank you guys. I was able to make some progress but now I'm stuck somewhere else.
If I run flash-all, the error message I get is:
"Sending sparse 'vendor_a' 1/2 (262140 KB) FAILED (Error reading sparse file)
Finished. Total time: 108.152s
Press any key to exit..."
Alternatively, I tried sideload in recovery mode, and I get:
"E:footer is wrong
Update package verification took 0.2s
E:Signature verification failed
E:error:21
So it seems the zip I downloaded is corrupted? But I downloaded two different versions from Google Developers and both failed.
Any suggestions? I'm going to try it one more time with another computer.
Click to expand...
Click to collapse
You should verify the crc checksums of the files you are using. There are many tools to do this and the signature is posted with each image. That, and like Badger says.. try a different cable (A to C). and try another PC. Google provides these image files to enable users who have unlocked their bootloader to completely restore the phone to it's factory state. I'm thinking the problem is with a corrupt image, a marginal cable, or the adb/fastboot setup on your PC/laptop. You don't need the complete Android SDK, only the standalone platform tools. The fact you have a working stock recovery and are bootloader unlocked means your likelihood of success is very high.

Badger50 said:
Have you also tried a 2.0 USB A to USB C cable, or a different set of cables period?
Click to expand...
Click to collapse
Wow, using a USB A to C worked!!
Changing to another computer did nothing.
Thanks everybody!!

edx2000 said:
Wow, using a USB A to C worked!!
Changing to another computer did nothing.
Thanks everybody!![/QUOTGlad you got it working :good:!! Pixel 2 & 3 XL's definitely have something in common. They're both picky sons of guns when it comes to cables! :good:
Click to expand...
Click to collapse

edx2000 said:
Wow, using a USB A to C worked!!
Changing to another computer did nothing.
Thanks everybody!!
Click to expand...
Click to collapse
Pixel 3a here. Found this through a bit of intense google-fu. This did the trick. Hilarious that this was the source of it. Previously was using usbc to usbc on a win10 laptop and it failed at the same part mentioned here.
Sorry for the necro bump but I think it deserves a mention. Thanks everyone here

Stuck in bootloader after attempting Oct update

Im stuck!!
I was rooted with Magisk on crosshatch QP1A.190711.020.C3, Sep 2019.
I just tried option #4 keep data and am getting the below (also attached pic) after getting to fastbootd screen during flash:
sending product FAILED (Write to device failed (Invalid argument))
When I try to reboot, it only boots to bootloader. I then tried wiping data same thing. I then tried reverting to the previous .C3 Sep 2019 firmare and again, same thing.
Im currently on slot B and as far as im aware, I havent done anything to slot A. However, in the bootloader screen at the bottom, I see:
Enter reason: no valid slot to boot
Before I try flashing anything else, Id like to try to boot to Slot A and see if I can at least have a usable phone for work tomorrow. Is it possible to boot to slot A from the bootloader screen?
If not, what else can I do?
Thanks in advance!!!!

JJT211 said:
Im stuck!!
I was rooted with Magisk on crosshatch QP1A.190711.020.C3, Sep 2019.
I just tried option #4 keep data and am getting the below (also attached pic) after getting to fastbootd screen during flash:
sending product FAILED (Write to device failed (Invalid argument))
When I try to reboot, it only boots to bootloader. I then tried wiping data same thing. I then tried reverting to the previous .C3 Sep 2019 firmare and again, same thing.
Im currently on slot B and as far as im aware, I havent done anything to slot A. However, in the bootloader screen at the bottom, I see:
Enter reason: no valid slot to boot
Before I try flashing anything else, Id like to try to boot to Slot A and see if I can at least have a usable phone for work tomorrow. Is it possible to boot to slot A from the bootloader screen?
If not, what else can I do?
Thanks in advance!!!!
Click to expand...
Click to collapse
Did you try to use the latest SDK https://developer.android.com/studio/releases/platform-tools.html/

saxmydix said:
Did you try to use the latest SDK https://developer.android.com/studio/releases/platform-tools.html/
Click to expand...
Click to collapse
Yup, im on 29.0.4
So I found the command to switch to slot A
fastboot set_active a
Still stuck in bootloader mode.

Huuu... Had the same problem. You should try again flash.all from pc. You wait until the i/o error apears. Then you are in fastboot.d mode. From here you choose sideload ota from pc (or simular). Now you are able to execute the adb sideload command from your pc. Then wait and reboot. This saved my ass... Make sure you downloaded the full ota image before.

OK I did the regular flash-all as you said and got error. At this point, the CLI says press "any key to exit"
I then exited, selected recovery - apply ADB update - opened CLI - adb devices (saw my serial #) and then entered "adb sideload image-crosshatch-qp1a.191005.007.zip"
And now after im getting:
verifying update package....
E: footer is wrong
Update package verification took .2 s (result 1)
E: signature verifcation failure
E: error: 21
Install from ADB completed with status 2
Installation aborted
EDIT: Im an idiot, I tried to sideload the factory image. Im sideloading the OTA now. Looks like its working. Standby

Donric13 said:
Huuu... Had the same problem. You should try again flash.all from pc. You wait until the i/o error apears. Then you are in fastboot.d mode. From here you choose sideload ota from pc (or simular). Now you are able to execute the adb sideload command from your pc. Then wait and reboot. This saved my ass... Make sure you downloaded the full ota image before.
Click to expand...
Click to collapse
It worked AND I kept all my data! Suweeet! Damn you saved my ass, I wouldve been ****ed tomorrow at work. Thanks again!
How many hours did it take you to figure that out??

JJT211 said:
It worked AND I kept all my data! Suweeet! Damn you saved my ass, I wouldve been ****ed tomorrow at work. Thanks again!
How many hours did it take you to figure that out??
Click to expand...
Click to collapse
Tried several ways to get into recovery (fastboot.d) to sideload the ota after the i/o error... After a hour i got the trick (3. try to begin with flash-all.sh...). Somehow i always got trouble with system space when monthly update is downloaded automatically and can't get applied because i am rooted... Somehow it seems saver to install the full ota with sideload than the flash-all.sh procedure... Glad it also worked on your side.

Donric13 said:
Huuu... Had the same problem. You should try again flash.all from pc. You wait until the i/o error apears. Then you are in fastboot.d mode. From here you choose sideload ota from pc (or simular). Now you are able to execute the adb sideload command from your pc. Then wait and reboot. This saved my ass... Make sure you downloaded the full ota image before.
Click to expand...
Click to collapse
Which file do i sideload? I tried crosshatch-qp1a.191005.007-factory-2989a08d.zip. It failed with same error as guy above. I then tried to adb sideload image-crosshatch-qp1a.191005.007.zip and i got the same error? which file am I supposed to sideload?
EDIT:Never mind. I found the file. downloading and flashing hopefully it works!