I'm in panic, please help. (dm-verity verification failed) - Samsung Galaxy S8 Questions and Answers

Hey, I really need help with my S8 with android 8.0. I had these random restarts on my phone and I thought I'd try factory reset. I backed up all my data using smart switch and did the factory reset and wiped all cache partition. Now I'm getting this dm-verity verification failed error. I found online how to fix it, but it says that my warranty will be voided. I've been using my phone for 6 months now and I've never rooted or installed custom ROMs. So what can I do to fix my phone asap?
So sorry for bad English.

supercore said:
Hey, I really need help with my S8 with android 8.0. I had these random restarts on my phone and I thought I'd try factory reset. I backed up all my data using smart switch and did the factory reset and wiped all cache partition. Now I'm getting this dm-verity verification failed error. I found online how to fix it, but it says that my warranty will be voided. I've been using my phone for 6 months now and I've never rooted or installed custom ROMs. So what can I do to fix my phone asap?
So sorry for bad English.
Click to expand...
Click to collapse
Best thing to do would be to repair firmware via smart switch
http://www.blogtechtips.com/2017/06/24/easily-restore-samsung-device-firmware-with-smart-switch/
If that doesn't work then you'll need to use an application called Odin to flash the firmware for your phone, if you've not used Odin before then I suggest you try the above 1st

sofir786 said:
Best thing to do would be to repair firmware via smart switch
http://www.blogtechtips.com/2017/06/24/easily-restore-samsung-device-firmware-with-smart-switch/
If that doesn't work then you'll need to use an application called Odin to flash the firmware for your phone, if you've not used Odin before then I suggest you try the above 1st
Click to expand...
Click to collapse
When I connect my phone to PC, smart switch says The connected device is not supported by smart switch

I might then get a DRK error, right? https://forum.xda-developers.com/galaxy-s8/help/dm-verity-error-drk-error-t3709032
Would warranty still fix my phone?

Fixed
Warranty fixed it. Motherboard was changed.

supercore said:
Warranty fixed it. Motherboard was changed.
Click to expand...
Click to collapse
Same with my brother's S8+, DM Verity error cannot be solved without tripping Knox/warranty.
The only way you can have ur phone be fixed is via hardware replacement.
My brother's fone was fixed by samsung repair center and got his phone working again.

Related

[Q] Not able to boot

I am lost on this S5 Verizon phone repair any help would be appreciated. Below is everything I have already done. During each time I flashed the device with ODIN I have also went in and did a wipe catch and factory reset to make sure it wasn't anything getting "stuck" during the flash process.
First error message when this all started read:
“System software not authorized by Verizon Wireless has been found on your phone....”
Above this error message in red text reads: Secure Fail: Modem
I decided I would attempt to go back to stock firmware and unroot the device. I have downloaded and loaded step by step of the following software packages via odin.
ALL_VZW_G900VVRU1ANCG_G900VVZW1ANCG_964333_REV00_user_low_ship_MULTI_CERT.tar.md5
ALL_VZW_G900VVRU1ANE9_G900VVZW1ANE9_1556536_REV00_user_low_ship_MULTI_CERT.tar.md5
ALL_VZW_G900VVRU1ANHA_G900VVZW1ANHA_2525521_REV00_user_low_ship_MULTI_CERT.tar.md5
ALL_VZW_G900VVRU1ANI2_G900VVZW1ANI2_2525521_REV00_user_low_ship_MULTI_CERT.tar.md5
I have also attempted to reset the PIT with: KLTE_USA_VZW ( I tried this after the first software package did not correct the issue and did some more research)
After doing all of the above I still get the “System software not authorized by Verizon Wireless has been found on your phone.”
I attempted to use
G900VVRU1BOA8_G900VVZW1BOA8_G900VVRU1BOA8_HOME - which is 5.0 and I am downloading this from Sammobile.com as I type to try instead.
On 5.0 i get a different error instead reading:
Start Up Failed
Your device didn't start up successfully. Use the Verizon software repair assistant on a computer to repair your device.
Above this error message in red text reads: Secure Fail: Modem
I can not use kies as the device is recognized but says it is not supported.
Please note: I did purchase this device knowing the first error message thinking it would just be a simple re-flash back to stock.
My Background: I have worked in the mobile business as a Sprint tech for 2 years and now work for a private company in computer and mobile repair so a total of 3 1/2 years mobile experience. However, I have not run into an issue like this before.
Again any help is much appreciated as this one has me stumped on what to try next
Update
Update:
I have downloaded the firmware G900VVRU1BOA8_G900VVZW1BOA8_VZW from sammobile.com
When flashing with odin i get the same error " Your device didn't start up successfully......"
Also, I attempted to update from zip and I received an error "E footer is wrong" and "E signature verification failed"
Again any suggestion are appreciated.
tan0892 said:
I am lost on this S5 Verizon phone repair any help would be appreciated. Below is everything I have already done. During each time I flashed the device with ODIN I have also went in and did a wipe catch and factory reset to make sure it wasn't anything getting "stuck" during the flash process.
First error message when this all started read:
“System software not authorized by Verizon Wireless has been found on your phone....”
Above this error message in red text reads: Secure Fail: Modem
I decided I would attempt to go back to stock firmware and unroot the device. I have downloaded and loaded step by step of the following software packages via odin.
ALL_VZW_G900VVRU1ANCG_G900VVZW1ANCG_964333_REV00_user_low_ship_MULTI_CERT.tar.md5
ALL_VZW_G900VVRU1ANE9_G900VVZW1ANE9_1556536_REV00_user_low_ship_MULTI_CERT.tar.md5
ALL_VZW_G900VVRU1ANHA_G900VVZW1ANHA_2525521_REV00_user_low_ship_MULTI_CERT.tar.md5
ALL_VZW_G900VVRU1ANI2_G900VVZW1ANI2_2525521_REV00_user_low_ship_MULTI_CERT.tar.md5
I have also attempted to reset the PIT with: KLTE_USA_VZW ( I tried this after the first software package did not correct the issue and did some more research)
After doing all of the above I still get the “System software not authorized by Verizon Wireless has been found on your phone.”
I attempted to use
G900VVRU1BOA8_G900VVZW1BOA8_G900VVRU1BOA8_HOME - which is 5.0 and I am downloading this from Sammobile.com as I type to try instead.
On 5.0 i get a different error instead reading:
Start Up Failed
Your device didn't start up successfully. Use the Verizon software repair assistant on a computer to repair your device.
Above this error message in red text reads: Secure Fail: Modem
I can not use kies as the device is recognized but says it is not supported.
Please note: I did purchase this device knowing the first error message thinking it would just be a simple re-flash back to stock.
My Background: I have worked in the mobile business as a Sprint tech for 2 years and now work for a private company in computer and mobile repair so a total of 3 1/2 years mobile experience. However, I have not run into an issue like this before.
Again any help is much appreciated as this one has me stumped on what to try next
Click to expand...
Click to collapse
tan0892 said:
Update:
I have downloaded the firmware G900VVRU1BOA8_G900VVZW1BOA8_VZW from sammobile.com
When flashing with odin i get the same error " Your device didn't start up successfully......"
Also, I attempted to update from zip and I received an error "E footer is wrong" and "E signature verification failed"
Again any suggestion are appreciated.
Click to expand...
Click to collapse
Try a factory data reset and clear cache from the stock recovery. You can also try Nand Erase All and Phone EFS Clear in Odin with the tar and pit files..
clarification
I have never done a Nand Erase All and a bit hesitant to do so with out clarification.
Is the suggestion to have the full tar file.
G900VVRU1BOA8_G900VVZW1BOA8_VZW.tar in AP
KLTE_USA_VZW.pit in PIT
and have the following
Auto Reboot
F. Reset Time
Nand Erase All
Phone EFS Clear
Then click start?
Misterxtc said:
Try a factory data reset and clear cache from the stock recovery. You can also try Nand Erase All and Phone EFS Clear in Odin with the tar and pit files..
Click to expand...
Click to collapse
tan0892 said:
I have never done a Nand Erase All and a bit hesitant to do so with out clarification.
Is the suggestion to have the full tar file.
G900VVRU1BOA8_G900VVZW1BOA8_VZW.tar in AP
KLTE_USA_VZW.pit in PIT
and have the following
Auto Reboot
F. Reset Time
Nand Erase All
Phone EFS Clear
Then click start?
Click to expand...
Click to collapse
Yes that should do it for you. I forgot exactly what Nand erases but it won't hurt, I've done it many times.
Still failed with same error messages. I have tried this with ALL_VZW_G900VVRU1ANHA_G900VVZW1ANHA_2525521_REV00_user_low_ship_MULTI_CERT.tar.md5 and G900VVRU1BOA8_G900VVZW1BOA8_VZW with no luck.
Misterxtc said:
Yes that should do it for you. I forgot exactly what Nand erases but it won't hurt, I've done it many times.
Click to expand...
Click to collapse
tan0892 said:
Still failed with same error messages. I have tried this with ALL_VZW_G900VVRU1ANHA_G900VVZW1ANHA_2525521_REV00_user_low_ship_MULTI_CERT.tar.md5 and G900VVRU1BOA8_G900VVZW1BOA8_VZW with no luck.
Click to expand...
Click to collapse
I would take it to a Verizon or BestBuy store and see if they will try seeing that this isn't working for you.
Update 2
Best Buy - can not do anything with it.
Verizon- Since I am prepaid and never had this device on this line they can not help
Samsung - offered me to send in the device to be re flashed. However, it is "out of warranty" due to more then 1 year old manufacture. --- Yes it was released April 11 2014 and I explained this to the friendly fella on the other line for about 45 minutes till he got me to his supervisor. Which then told me the only person that can over ride the out of warranty statues is the repair service center. The flash would be free. However, if anything is physically wrong with the device it will not be covered. With how non of the flash seem to work I am leaning towards this being a failure with the on board storage.
If any one has any suggestions before Monday please let me know otherwise I will send the phone in to see what Samsung has to say. I will update the posting once I find out more. .
tan0892 said:
Best Buy - can not do anything with it.
Verizon- Since I am prepaid and never had this device on this line they can not help
Samsung - offered me to send in the device to be re flashed. However, it is "out of warranty" due to more then 1 year old manufacture. --- Yes it was released April 11 2014 and I explained this to the friendly fella on the other line for about 45 minutes till he got me to his supervisor. Which then told me the only person that can over ride the out of warranty statues is the repair service center. The flash would be free. However, if anything is physically wrong with the device it will not be covered. With how non of the flash seem to work I am leaning towards this being a failure with the on board storage.
If any one has any suggestions before Monday please let me know otherwise I will send the phone in to see what Samsung has to say. I will update the posting once I find out more. .
Click to expand...
Click to collapse
What they mean by physically wrong is if there is water damage or something that YOU did. If the phone crapped out and blew a capacitor then they should still cover it.
Also they would call you and ask if you wanted to go through the repair if there was damage in which case you would decline and ask them to send it back
Sent from my SM-G900V using XDA Free mobile app
harrytery said:
What they mean by physically wrong is if there is water damage or something that YOU did. If the phone crapped out and blew a capacitor then they should still cover it.
Also they would call you and ask if you wanted to go through the repair if there was damage in which case you would decline and ask them to send it back
Sent from my SM-G900V using XDA Free mobile app
Click to expand...
Click to collapse
Nope the phone is in good shape no cracks/liquid damage.
However, the system that Samsung has shows the phone out of warranty which is on my RMA ticket too and that's what I debated with their phone rep about for 45 minutes since release date was April 11 2014.
*02/12/2015//20:04:53//0001773863//Telephone//ASC*
2/12/2015 7:04 PM-Chien Tran: The unit is shipped.
*02/12/2015//18:34:06//0001773863//Telephone//ASC*
2/12/2015 5:33 PM-PBA Inspection: The unit has left the technician. SOLUTION: BER
*02/12/2015//18:34:05//0001773863//Telephone//ASC*
DEVICE ROOTED/Software not authorized has been found on device
*02/12/2015//09:14:28//0001773863//Telephone//ASC*
2/12/2015 8:13 AM-Degitu Yismaw: The unit has been received. Pack Condition: Fair Packaging (Box & Cushion)
thread from Samsung tracking
I am guessing this means it is bricked and Samsung will not help.
I should be getting the phone next week. Any other suggestions appreciated.
Hey man let's try to help each other out... I'm also in the same exact situation...
My phone keeps rebooting to the "Samsung powered by Android" logo and turns off and then repeats it again until I take out the battery.
I can't even download the stock 5.0 file from the samsung website because my internet is too slow...
Try only clicking "auto reboot" and "reset time F" and run the "G900VVRU1BOA8_G900VVZW1BOA8_VZW.tar.md5" file on AP.
Btw, do you have the unzipped file by any chance?
jkim204 said:
Hey man let's try to help each other out... I'm also in the same exact situation...
My phone keeps rebooting to the "Samsung powered by Android" logo and turns off and then repeats it again until I take out the battery.
I can't even download the stock 5.0 file from the samsung website because my internet is too slow...
Try only clicking "auto reboot" and "reset time F" and run the "G900VVRU1BOA8_G900VVZW1BOA8_VZW.tar.md5" file on AP.
Btw, do you have the unzipped file by any chance?
Click to expand...
Click to collapse
Sammobile site is slow because they want you to pay for the faster downloads.
I have downloaded 1 from sammobile.com as well overnight but didn't do anything different for my issue.
Your's sounds a bit different. If you can get one of these stock full tar files you should be good to flash in ODIN.
If that doesn't work do a reset/wipe device with Home + Vol Up + Power before and after flash sometimes helps
This thread has some good links to stock tar with everything.
http://forum.xda-developers.com/showpost.php?p=53447942
galaxy S5 sm-g900v firmware problem
hey man mine do the same , SM-G900V its a samsung from verizon, i just bought it because i thought it was a software problem,
it keeps rebooting and on the startup screen appears a padlock and it say "COSTUM"
sometimes it keeps a few minutes on, somtimes its frozen and restart,
This is crazy, right now i live in the dominican republik, and i dont know if i must send it to verizon
temd said:
hey man mine do the same , SM-G900V its a samsung from verizon, i just bought it because i thought it was a software problem,
it keeps rebooting and on the startup screen appears a padlock and it say "COSTUM"
sometimes it keeps a few minutes on, somtimes its frozen and restart,
This is crazy, right now i live in the dominican republik, and i dont know if i must send it to verizon
Click to expand...
Click to collapse
Sorry to all that had this problem and didn't find a fix but to those that still have a Verizon s5 this may help.
I had the same problem with this S5 I'm playing with and I fix it by using odin3 v3.10 to flash the kernel again.
Dropped the Kernel the AP in odin. Everything was still there after i flashed it pic's / text and app all still there.
And the COSTUM on the screen means you have unlocked the kernel and one need to be flash.
hit thanks if this help
sounds to me like you guys have the wrong bootloader and are trying to downgrade to older firmware than the bootloader will allow. Try downloading one of the latest 6.0 firmware packages and flash that. I would imagine that will solve your issue.

Stuck in bootloop on untouched stock rom, unrooted device.

This afternoon my S7 Edge entered a boot loop. All I was doing was reading the news, in the same app I have been for the past couple of months. The device is untouched in terms of modifications since purchase, so unrooted stock rom. I can get into download mode, and occasionally, recovery mode. I wiped the cache as my first attempted fix - no change. Then did a factory reset - no change. I then thought I'd try loading twrp so I could flash a custom rom, but Odin was unable to flash it due to FRP Lock blocking it. I then downloaded the latest stock rom from sammobile, and was able to flash this via Odin. On first boot the device did start to load, and reached 10/19 in optimising the apps, before starting the boot loop again. I am kinda out of ideas now. Any help would be greatly appreciated.
re: bootloops
whitebloodcell said:
This afternoon my S7 Edge entered a boot loop. All I was doing was reading the news, in the same app I have been for the past couple of months. The device is untouched in terms of modifications since purchase, so unrooted stock rom. I can get into download mode, and occasionally, recovery mode. I wiped the cache as my first attempted fix - no change. Then did a factory reset - no change. I then thought I'd try loading twrp so I could flash a custom rom, but Odin was unable to flash it due to FRP Lock blocking it. I then downloaded the latest stock rom from sammobile, and was able to flash this via Odin. On first boot the device did start to load, and reached 10/19 in optimising the apps, before starting the boot loop again. I am kinda out of ideas now. Any help would be greatly appreciated.
Click to expand...
Click to collapse
Go into settings>developer's options and ENABLE OEM UNLOCK then
go into settings>general management>reset>factory data reset and
reset the phone.
Once you have done that the phone will work properly without rebooting
provided that you have successfully odin flashed the official samsung
G935F S7 Edge firmware prior to doing a factory data reset.
Good luck, have a great day!
Thanks for replying. Unfortunately I can't get into the phone at all. Only screen I have access to a recovery and downloader.
So I left the phone alone for a while and tried booting into safemode. This time it worked - sort of. It is asking me for a password, but I have never set one. I only ever set a pin and fingerprints. But since wiping everything that doesn't seem to apply anymore. What is the default password? I am referring to the phone password, rather than a google account obviously. I am not at that stage of the boot up.
Update: found the password (default_password), still boot looping on the optimising apps screen.
If you still can't get into the phone like the person above said, I would use Oden to reparation and reflash your stock rom. If it still gives you issues, I'd suspect hardware fault.
vsn4 said:
If you still can't get into the phone like the person above said, I would use Oden to reparation and reflash your stock rom. If it still gives you issues, I'd suspect hardware fault.
Click to expand...
Click to collapse
I have flashed stock rom (initially the version that matches my carrier, although my phone was bought sim free and unlocked, and then the version for unlocked phones (BTU in sammobile I think)) but it still just boot loops. The phone can remain in download mode as long as it wants, and previously, when it was asking for the password, it was able to remain on that screen indefinitely. I would have thought if it was a hardware problem the boot looping would happen regardless of the action on screen. Immediately after flashing the stock rom, it did start to load before ooting. Now it just boots immediately at the Samsung Logo.
vsn4 said:
If you still can't get into the phone like the person above said, I would use Oden to reparation and reflash your stock rom. If it still gives you issues, I'd suspect hardware fault.
Click to expand...
Click to collapse
Just to be clear, do you mean repartition here? I have not checked that option before, will try it.
Even without the PIT file. Flashing stock rom should have fixed you... which carrier do you have? If Verizon, they have a recovery assistant software that works in these situations. Or if not try "samsung kies". If all else fails I'd give Sammy a call.
vsn4 said:
If you still can't get into the phone like the person above said, I would use Oden to reparation and reflash your stock rom. If it still gives you issues, I'd suspect hardware fault.
Click to expand...
Click to collapse
vsn4 said:
Even without the PIT file. Flashing stock rom should have fixed you... which carrier do you have? If Verizon, they have a recovery assistant software that works in these situations. Or if not try "samsung kies". If all else fails I'd give Sammy a call.
Click to expand...
Click to collapse
I am in the UK, and my carrier is Three, although the phone was purchased sim free. I tried samsung kies (phone not compatible apparently), samsung switch (phone does not support initialization). I may have to call Samsung, but I purchased the phone on eBay, so no warranty (never doing that again!), so I guess it'll be expensive to get them to sort it. I've taken it to a phone repair shop this afternoon and the guy reckoned he could fix it based on what I said. We shall see. I don't have to pay unless he fixes it, so worth a shot.
You can wipe your phone by entering recovery. Default recovery has the wipe option.
alehawk said:
You can wipe your phone by entering recovery. Default recovery has the wipe option.
Click to expand...
Click to collapse
Was the first thing I tried. Didn't help.
I got the bootloop thingy and was the cache, I wiped and the phone booted up
alehawk said:
I got the bootloop thingy and was the cache, I wiped and the phone booted up
Click to expand...
Click to collapse
Thanks for trying to help, but, again, already tried that.
whitebloodcell said:
I am in the UK, and my carrier is Three, although the phone was purchased sim free. I tried samsung kies (phone not compatible apparently), samsung switch (phone does not support initialization). I may have to call Samsung, but I purchased the phone on eBay, so no warranty (never doing that again!), so I guess it'll be expensive to get them to sort it. I've taken it to a phone repair shop this afternoon and the guy reckoned he could fix it based on what I said. We shall see. I don't have to pay unless he fixes it, so worth a shot.
Click to expand...
Click to collapse
Hope all goes well, let us know if you get it sorted out.
Hi
Just curious...why do u say u don't have warranty just because u brought from eBay?
Surely it doesn't matter where u brought it and it still has warranty.
Have u tried contacting Samsung?
AnubuRe said:
Hi
Just curious...why do u say u don't have warranty just because u brought from eBay?
Surely it doesn't matter where u brought it and it still has warranty.
Have u tried contacting Samsung?
Click to expand...
Click to collapse
Pretty much all warranties (including Samsung - I checked) are contracts with the original purchaser only. Even if you have proof of purchase, you then need to match the records they have of the identity of the original purchaser. Whilst some manufacturers will be more lenient, others will follow the official policy strictly. Speaking from experience here.
whitebloodcell said:
Pretty much all warranties (including Samsung - I checked) are contracts with the original purchaser only. Even if you have proof of purchase, you then need to match the records they have of the identity of the original purchaser. Whilst some manufacturers will be more lenient, others will follow the official policy strictly. Speaking from experience here.
Click to expand...
Click to collapse
For those perhaps in similar situation in the future, Samsung didn't care that it was purchased second hand, despite what the fine print says. They just looked at the serial number. In the course of trying my own repairs I flashed a custom rom, which of course tripped the knox warranty void bit. When I took it into the service centre they saw this and then wanted to charge £225 for an out of warranty repair. I refused at the time. I later called Samsung support and explained the situation (I said a phone repair shop must have done the flashing). Again on the phone I was told it would be an out of warranty repair, and this time I agreed. They collected my phone and returned it to me today however, with no invoice or mention of charges, so it looks like they just did the repair no questions asked.
I have the same issues, so far I'm getting by with flashing a stock rom with pit file and doing repartition and nand erase, normal cache/ factory reset doesn't help, it sometimes even boot loops while in twrp.
Somehow Odin flashing helps for a random amount of time, but it has thus far, crashed after a month, or a couple weeks since the last flash, etc. So far it's been my 5th boot loop event in the last 6 months
It sucks but as I got mine from another country (/win), didn't get the warranty ;( plus I tripped Knox by rooting.
sounds hardware related to me..
i had a friend with a note 4 who had similar problems it would hardly ever boot sometimes boot straight into download mode..
if by chance it did boot it would boot once the device was locked for a short time it would reboot and start over again bootlooping..
it was the emmc flash memory that was failing...
a workaround i found for this was the first thing i did when finally getting it to boot was install "Wake Lock - CPU Awake" and set it to never let the device sleep and to startup on boot...
this "fixed" it as long as your phone does not turn off... he had insurance though and sent it off and they sent him a new refirb
again this note 4 was untouched never rooted or anything
vsn4 said:
If you still can't get into the phone like the person above said, I would use Oden to reparation and reflash your stock rom. If it still gives you issues, I'd suspect hardware fault.
Click to expand...
Click to collapse
im having pretty much the exact same problem except ive been unsuccesful at flashing the stock firmware for my galaxy s7 active (SM-G891A). the active series isnt the most saute after, so finding the right firmware is alil more difficult. which im pretty sure is how i got into this situation! my question is what exacly does checking the "reparation" option do. i read to leave to leave it unchecked/unticked. maybe thats why ive been unsuccessful. and someone told me awhile ago not to fill in the "bt" box becuz i have a locked bootloader. this correct or no?

S6 Edge Plus Error Loading Stock Rom

Hi peoples,
I sold my S6 Edge Plus (SM-G928i) phone on eBay. The buyer claimed it was faulty and sent it back.
When I got it back, he had factory reset it, but he had left his Google account on the phone, as well as turned on FRP lock.
I tried to flash it back to the stock Rom, I get this error:
An error has occurred while updating the device software use the emergency recovery in Smart Switch.
I then run Smart Switch and it asks me for a recovery code.
Is there a way I can fix this, or has the eBayer bricked my phone?
Thanks heaps
Dazza
I would assume there is a block on software altering while FRP lock is tripped. Maybe you could flash TWRP, wipe everything, and *maybe* that would work, but you would end up with tripped knox if it wasn't already tripped.
Odin
fonefreakz said:
Hi peoples,
I sold my S6 Edge Plus (SM-G928i) phone on eBay. The buyer claimed it was faulty and sent it back.
When I got it back, he had factory reset it, but he had left his Google account on the phone, as well as turned on FRP lock.
I tried to flash it back to the stock Rom, I get this error:
An error has occurred while updating the device software use the emergency recovery in Smart Switch.
I then run Smart Switch and it asks me for a recovery code.
Is there a way I can fix this, or has the eBayer bricked my phone?
Thanks heaps
Dazza
Click to expand...
Click to collapse
Odin should work with a firmware push

S7 Edge Bricked

Hi, my SM-G935FD has been acting weird lately, auto reboot and massive hanging issue. Thus i decided to do a factory reset. To my surprise, the factory reset was unable to complete!
It shows error E: format_volume: make ext4 failed on /dev/block/platform/155a0000.ufs/by-name/USERDATA with 1(I/O error)
Now i cant do anything with my phone, i tried to flash using odin with various stock, but it stucks at system.img. I cant do a custom rom flash either because FRP Lock is ON.
Any experts out there able to provide with some help and your expertise?
Your help is greatly appreciated!
grasscut said:
Hi, my SM-G935FD has been acting weird lately, auto reboot and massive hanging issue. Thus i decided to do a factory reset. To my surprise, the factory reset was unable to complete!
It shows error E: format_volume: make ext4 failed on /dev/block/platform/155a0000.ufs/by-name/USERDATA with 1(I/O error)
Now i cant do anything with my phone, i tried to flash using odin with various stock, but it stucks at system.img. I cant do a custom rom flash either because FRP Lock is ON.
Any experts out there able to provide with some help and your expertise?
Your help is greatly appreciated!
Click to expand...
Click to collapse
Use Samsung smart switch to restore your phone to stock just type your serial number in it I think it works even without ur screen on.
pingufanpoy said:
Use Samsung smart switch to restore your phone to stock just type your serial number in it I think it works even without ur screen on.
Click to expand...
Click to collapse
Tried that too. But it stated does not support. So i cant do anything with it
anyone help?
same thing here on G935FD. Started acting up after Oreo update
Samsung refusing warranty claim as my phone bought in another country.
Bluetoth10 said:
same thing here on G935FD. Started acting up after Oreo update
Samsung refusing warranty claim as my phone bought in another country.
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Click to collapse
Any experts can give us a hand?
i received 2 pm from this user instrumentaly who claims to know how to resolve the issue. but he is asking for remote access to my phone to his server. I think its likely a scam? anyone received such pm from this user?
No more help with this? I am stuck in loop with installing system update and then the samsung logo screen.
Contact me in 8921154867 Whatsapp
Let me try if I can help you(If you want)
[emoji3][emoji3][emoji3][emoji3]
Sent from my Lenovo K33a42 using Tapatalk
Cant use phone lol! It's not letting me past loading screens or installing update.
i received 2 pm from this user instrumentaly who claims to know how to resolve the issue. but he is asking for remote access to my phone to his server. I think its likely a scam? anyone received such pm from this user?
I/O error most likely means the internal storage has failed, to be sure use samfirm to download the latest firmware for your device. Check the binary nature box to get the full firmware and flash with odin.
DrFredPhD said:
I/O error most likely means the internal storage has failed, to be sure use samfirm to download the latest firmware for your device. Check the binary nature box to get the full firmware and flash with odin.
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Click to collapse
I am unable to flash the firmware to the phone. it stuck when its at system..
grasscut said:
I am unable to flash the firmware to the phone. it stuck when its at system..
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Unfortunately this does sound like an eMMC failure.
DrFredPhD said:
Unfortunately this does sound like an eMMC failure.
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So my phone is dead then? nothing i can do to salvage it?

Bricked Phone - Failed to mount system error & FRP lock.

Hi all 0/
I'm creating this post because well I have a bricked phone (I know, another bricked phone thread) and am asking if anybody can help or point me in the directions of help.
P
The Problem
So my phone failed to install the latest security update that was released in September; just gave me the update failed error on reboot. I ignored this for a month as it didn't bother me but it started to get progressively more buggy, random crashes then random restarts then google play services just stopped working. This point I looked into it and the internet told me to use smartswitch to apply the update (which I assumed to be the problem at the time). Smartswitch couldn't update it which through it into emergency recovery mode. Smartswitch was then blocked by FRP lock when I tried to use emergency recovery mode.
I then tried by use Odin to flash stock firmware, which FRP lock blocked. Now i'm stuck as I can't flash anything with odin or use smartswitch so am stuck with either download mode of emergency recovery page.
I have extracted and reflashed all the sys.img flash expect system which has allowed me to boot to recovery but have the error
DM verity failed
E/ failed to mount system (invalid argument)
All the fixes for dm verity failed system, frp lock etc don't work as i think i have a combination of problems
Neither have I found a post that describes this problem anywhere
Thank you very much for reading
If you can boot the phone do you know the google email and password to remove the fpr?
godkingofcanada said:
If you can boot the phone do you know the google email and password to remove the fpr?
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Yes I do, which is the most annoying part!
Skyscripter said:
Yes I do, which is the most annoying part!
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Click to collapse
Don't use Odin, use the actual Samsung app smart switch and factory restore/emergency mode restore option.
godkingofcanada said:
Don't use Odin, use the actual Samsung app smart switch and factory restore/emergency mode restore option.
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Click to collapse
That's what I originally tired and it gets blocked by the frp lock
Skyscripter said:
That's what I originally tired and it gets blocked by the frp lock
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Click to collapse
The fpr lock isn't supposed to block you from installing official factory firmware. But it has to be the exact firmware. It should install and then ask for your gmail
godkingofcanada said:
The fpr lock isn't supposed to block you from installing official factory firmware. But it has to be the exact firmware. It should install and then ask for your gmail
Click to expand...
Click to collapse
That's what I thought, but when I've tried to use smart switch it blocks me, and every version of firmware I've found with odin it blocks. How can I find out which firmware my phone was on before it bricked its self? or do you think its a case of trying many?
assuming smartswitch is unable to find the firmware that i need is there any way of telling it which version to flash?
Skyscripter said:
That's what I thought, but when I've tried to use smart switch it blocks me, and every version of firmware I've found with odin it blocks. How can I find out which firmware my phone was on before it bricked its self? or do you think its a case of trying many?
assuming smartswitch is unable to find the firmware that i need is there any way of telling it which version to flash?
Click to expand...
Click to collapse
Smartswitch can't flash it because whatever crapped out changed the device ID or some info it looks to for authentication. I had that happen once. After a fw flash my phone changed from SM-G928W8 to G928F and smart switch wouldn't touch it. So what I had to do was find the exact match, you need to know what carrier your phone came from to get the model for firmware, like t mobile or Verizon, and then get that version, I think nougat or mm would work but our device shipped with mm. Odin will work but it the fw has to match the device. Then once it boots your gmail info is needed.
godkingofcanada said:
Smartswitch can't flash it because whatever crapped out changed the device ID or some info it looks to for authentication. I had that happen once. After a fw flash my phone changed from SM-G928W8 to G928F and smart switch wouldn't touch it. So what I had to do was find the exact match, you need to know what carrier your phone came from to get the model for firmware, like t mobile or Verizon, and then get that version, I think nougat or mm would work but our device shipped with mm. Odin will work but it the fw has to match the device. Then once it boots your gmail info is needed.
Click to expand...
Click to collapse
Okay I think I understand, so i need the exact firmware it was on before it crapped out, otherwise it will think i'm trying to flash new firmware an frp lock stops it right? My phone came unlocked in the UK., will i just have to try many different versions in hope one works?
Noob question, what does fw flash stand for?
Thanks so much for answering my questions : )

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