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Motorola Moto G - Flashing stock failing with fastboot

Hello everyone
I am new here.
I need some assistance with my moto g.
I previously unlocked my Moto G's bootloader but realised that I just wanted it on stock and locked so I didn't damage it, so I managed to relock my
phone's bootloader and got it back to a stock rom.
After installing a system update a few days ago, my phone came back with the
"Warning - bootloader unlocked!" logo after installing a system update.
So I decided to try and reflash the stock firmware and original logo.bin from the XDA Site.
However, my flashes are failing and my moto g is stuck in a bootloop with no rom to boot up to, I have adb minimal fastboot and motorola drivers
/ adb drivers installed.
What happens: I power on the phone into bootloader mode, then I try to flash the ROM I got from droid-developers site, but whenever I try to relock
my bootloader it shows the following:
...
Ready to flash signed images!
OK: (time)
I do fastboot flash partition gpt.bin and I get:
Preflash validation failed!
SST lock failure!
Also trying to issue the command to relock the bootloader gives me
SST lock failure!
I get other errors too when flashing the sparsechunk images, it gives: Invalid PIV signed image! and for motoboot and boot images it gives: Preflash validation failed!
version downgraded for boot.
etc
I cannot recover my stock rom due to these errors, I've searched everywhere (on google) and here and I am desperate to flash the stock rom back and relock bootloader again so I can use the phone.
I am really stuck and my phone will not get out of a bootloop
Any help is really much appreciated as I need to get my phone working so I can use it

You don't need to relock the bootloader. Just follow this tutorial:
http://forum.xda-developers.com/showthread.php?t=2542219​

lost101 said:
You don't need to relock the bootloader. Just follow this tutorial:
http://forum.xda-developers.com/showthread.php?t=2542219​
Click to expand...
Click to collapse
I followed the tutorial, but when I get to the flashing stage, I get:
Preflash validation failed,
SST lock failure!
And version downraded for gpt.bin
it seems to be failing to flash these files.
What do I need to do?

You need to provide more information for people to help you. Have you upgraded to 4.4.4?

I had a similar issue when rooting my phone, and all I had to do was unplug the phone from the computer, restart the phone and computer, and then try again.

GrammarNazi said:
I had a similar issue when rooting my phone, and all I had to do was unplug the phone from the computer, restart the phone and computer, and then try again.
Click to expand...
Click to collapse
But did you downgrade from 4.4.4 to 4.4.2?
What model do you have?
Can you explain us all the steps?
Thanks

First unlock your bootloader again. You have to downgrade from 4.4.4 to 4.4.3 then to 4.4.2. During the downgrades you have to follow the same kind of firmware (example: 4.4.4 retail EU -> 4.4.3 retail EU -> 4.4.2 retail EU). When you're done if you want you can relock the bootloader.

(bootloader) Preflash validation failed

Hi I've Installed Chainfire(dumbest idea ever) -I had GLTools with only default plugin- ,too check whenever It would be possible to run Portal-So memory is almost full ,so I couldn't do neither full CWM backup ,and Advanced Backup didn't worked for me.
So What I did was flash 4.4.2(and I was on 4.4.4 europe rom -XT1032)
I have Fastboot Reason: UTAG *flashfail* configured as fastboot(no not after installing chainfire)
I was flashing with my premade /.sh file (fastboot flash partition gpt.bin etc.) and it seems like what have been flasheed is:
wirting 'partition'...
(bootloader) Preflash validation failed
FAILED(remote failure)
wirting 'motoboot'...
(bootloader) Motoboot: Preflash validation for tz
(bootloader) Preflash validation failed
witing 'boot'...
OKAY
'system' -sparechunk.0
FAILED (data transfer failure (No such file or directory)) - lol? ,I've actually modified VM to have 512 mb of ram instead of 1536mb and cores from 2 to 1.
*fastboot resets*
Fastboot Reason: UTAG *flashfail* configured as fastboot
'system'-sparechunk.1
OKAY
and the rest wasn't flashed ,What can I do ,...I've just clicked factory(up button-congrats idiot-I wanted to go into recovery to say that I can go there and do something from there *facepalm* and clicked Up button ,because I was on factory option).
Okay ,so know I have no UTAG error recovery still works ,phone gets stuck on unlocked bootloader disclamer.
Btw before I started to install chainfire I've followed some instructions:
Code:
Backup
[B] * boot into recovery
* adb backup -f boot.img boot
* adb backup -f system.img system[/B]
Restore
[B] * boot into recovery[/B]
* adb shell echo -n boot > /tmp/ro.bu.restore
* adb restore boot.img
[I][B] * adb shell echo -n system > /tmp/ro.bu.restore
* adb restore system.img[/B][/I]
I've followed ,Failed
As boot.img from 4.4.2 have flashed can I actually flash that( * adb backup -f boot.img boot) boot.img and I don't magic will help me. Or can Actually someone who Have XT1032 falcon_umts do like CWM Backup without any personal stuff and I would try to flash it(Preloader/boot is not corrupted- device unlocked etc.-) ,when I used Used factory then everything seems to be working(expect for the android of course... and I don't know whenever VM will work If I don't have everything flashed).
Btw I can't Flash System.img from before I've destroyed it with Chainfire ,because the size is more than 600/700 mb and it just out numbers max number for sending system partition to fastboot.

Not saying this will definitely work, but if you get the gpt.bin and emmc_appsboot.mbn files from the 4.4.4 OTA zip (probably floating around here) and overwrite the originals from 4.4.2 in your factory image (delete the old ones or rename them to something else), then do the following:
Code:
fastboot flash aboot emmc_appsboot.mbn
fastboot flash partition gpt.bin
fastboot reboot-bootloader
Then flash as normal according to the guide that's floating around here, but leave out the gpt.bin and emmc_appsboot.mbn (you already flashed these) and the motoboot.img or it will brick it!

I just installed Paranoid Android ontop of it(adb sideload-I couldn't get into CWM ,and by accidently clicking factory in fastboot I could then go to CWM) and it works-then I launch PA install minimal gapps then factory reset it in cwm delete all data and slowly update pa update by update(installing 4.4RC2 into 4.45 is an bad idea for overall performance and stability) -I just kinda paniced.And I think ,because I was using generic fastboot instead of provided in guide ,preloadder didn't get corrupted(when to look at It only boot have been flashed correctly , and PA have boot.img in package).
So far so good.

This error has been associated with locked bootloader.

I know but my is still unlocked.
Btw that message "Preflash validation failled" supposed to show after booting too fastboot(actually that sounds like a total bull****) or on flasher linux terminal.

Shuttwind215 said:
I know but my is still unlocked.
Btw that message "Preflash validation failled" supposed to show after booting too fastboot(actually that sounds like a total bull****) or on flasher linux terminal.
Click to expand...
Click to collapse
My moto's bootloader is unlocked too, but it still gives the error...
Found an article:
https://giorgiosadventures.wordpres...rom-gpe-4-4-4-to-stock-and-recover-softbrick/
Try this... Lets see if it helps...
BTW, I got this error after converting xt1033 to gpe, then OTA'ing it to 5.0.1, then downgrading to 4.4.2.

@layman806 My moto g allready work look at post #3 this is what I did it[it looks extremly confusing]. It mightn't work for you through
,but if yours moto g have unlocked bootloader then you can do a lot ,and your situation isn't that bad.

lost101 said:
This error has been associated with locked bootloader.
Click to expand...
Click to collapse
i have unlocked my bootloader but i still get that error. every other command executes perfectly but this gpt.bin doesnt
any solution?

khiladi_786 said:
i have unlocked my bootloader but i still get that error. every other command executes perfectly but this gpt.bin doesnt
any solution?
Click to expand...
Click to collapse
I have the exact same problem on my xt1031 motog. I cant get any roms to boot and I cant figure out what version of gpt.bin i need to use. I get the same error.
Driving me crazy.

not solved
I am flashing the stock rom into my moto g3 but it keep tellin preflash validation failed........I did everything ......still not solved.......help me out please..........
on bootloader it shows....
device is unlocked. status code :3
software status: official
it is bit odd.....

heisenberg1546 said:
I am flashing the stock rom into my moto g3 but it keep tellin preflash validation failed........I did everything ......still not solved.......help me out please..........
on bootloader it shows....
device is unlocked. status code :3
software status: official
it is bit odd.....
Click to expand...
Click to collapse
This subforum is not for your phone. https://forum.xda-developers.com/2015-moto-g is the place for you.
If you are getting a 'pre-flash validation' error - even with the latest available firmware image - then you have to either wait for an even newer firmware image or unlock Bootloader and flash a ROM zip.

help me plseeeeeeeeeeeeee i m getting preflash validation failed error on gpt.bin and sparsechunk plseee help me anyone i m using moto g3 xt1550 and trying to flash marshmallow.

Bootloader(4.4.4 GPe Updated One)

I Updated My Xt1033 Moto G Bootloader When 4.4.4 GPe Was Updated.
Now,If I Try To Flash GPe Firmware Package Again,I Get Partition Error.
(Remote Failure)
Even If I Flash GB Firmware Fsg.mbn And NON-HLOS.bin For Single Sim,Where Mobile Data Works Perfect.Whereas,If Anyone Calls Me,Ring Goes On And My Phone No Notification(or) No Recognize.
Any Help?

Hard bricked? Can't get into recovery, can't unlock bootloader

Hello,
I think my XT1541 (16GB/2GB Retail GB) with locked bootloader might be hard-bricked.
I was running the stock 5.11 firmware when I did the 6.0 update and since then my phone is stuck in a bootloop.
Motorola won't repair it because I had to replace the screen and the phone is out of warranty.
I can access the bootloader but if I select recovery mode the phone just keeps bootlooping and I can't get into recovery.
I followed the instructions here to flash a stock firmware using fastboot. All the steps complete successfully but after rebooting, the phone is still stuck in a bootloop and I can't get into recovery.
I wanted to install a custom recovery but I'm unable to unlock my bootloader because of this error:
Code:
(bootloader) Check 'Allow OEM Unlock' in Developer Options.
FAILED (remote failure)
Obviously I can't check that option as the phone won't boot.
So, is it hard bricked? Is there anything I can do to get my phone to work again?
Thanks a lot for your help!

How many system images do you need to flash? Sometimes there can be more than 6, sometimes there can be fewer.

sticktornado said:
How many system images do you need to flash? Sometimes there can be more than 6, sometimes there can be fewer.
Click to expand...
Click to collapse
I know, I flashed the correct number of system images that were in the zip file.
Thanks,

rent0n said:
Hello,
I think my XT1541 (16GB/2GB Retail GB) with locked bootloader might be hard-bricked.
I was running the stock 5.11 firmware when I did the 6.0 update and since then my phone is stuck in a bootloop.
Motorola won't repair it because I had to replace the screen and the phone is out of warranty.
I can access the bootloader but if I select recovery mode the phone just keeps bootlooping and I can't get into recovery.
I followed the instructions here to flash a stock firmware using fastboot. All the steps complete successfully but after rebooting, the phone is still stuck in a bootloop and I can't get into recovery.
I wanted to install a custom recovery but I'm unable to unlock my bootloader because of this error:
Code:
(bootloader) Check 'Allow OEM Unlock' in Developer Options.
FAILED (remote failure)
Obviously I can't check that option as the phone won't boot.
So, is it hard bricked? Is there anything I can do to get my phone to work again?
Thanks a lot for your help!
Click to expand...
Click to collapse
If u are bootlooping when trying to enter recovery , then prolly the recovery is the issue. I'd suggest flash the recovery.IMG again and then proceed with flashing the rest of the .IMG files.

prasi.ram10 said:
If u are bootlooping when trying to enter recovery , then prolly the recovery is the issue. I'd suggest flash the recovery.IMG again and then proceed with flashing the rest of the .IMG files.
Click to expand...
Click to collapse
So basically:
Code:
fastboot flash recovery recovery.img
fastboot reboot
and then check if I can access recovery? Or issue that command and then all the other fastboot commands in the guide?

prasi.ram10 said:
If u are bootlooping when trying to enter recovery , then prolly the recovery is the issue. I'd suggest flash the recovery.IMG again and then proceed with flashing the rest of the .IMG files.
Click to expand...
Click to collapse
So basically:
Code:
fastboot flash recovery recovery.img
fastboot reboot
and then check if I can access recovery? Or issue that command and then all the other fastboot commands in the guide?

rent0n said:
So basically:
Code:
fastboot flash recovery recovery.img
fastboot reboot
and then check if I can access recovery? Or issue that command and then all the other fastboot commands in the guide?
Click to expand...
Click to collapse
I tried that and it didn't work. When I try to go into recovery mode the phone keeps bootlooping.
One thing I noticed is that when I try to format cache or userdata I get this error:
Code:
$ fastboot format cache
formatting 'cache' partition...
Formatting is not supported for filesystem with type 'raw'.
FAILED ()
finished. total time: 0.013s
I think there might be something wrong with the file system in my partitions. How can I manually format my partitions?
Thanks,

man , if you really need recovery, type fastboot boot recovery.img . It will temporaily boot you into stock recovery. Wipe cache and data there

therealduff1 said:
man , if you really need recovery, type fastboot boot recovery.img . It will temporaily boot you into stock recovery. Wipe cache and data there
Click to expand...
Click to collapse
Thanks, but this is what I get when I try do do that:
Code:
$ fastboot boot recovery.img
downloading 'boot.img'...
OKAY [ 0.736s]
booting...
FAILED (remote failure)
finished. total time: 0.746s
There must be a way to restore this phone to a working state! I can't believe it's so messed up after an official update...

rent0n said:
Thanks, but this is what I get when I try do do that:
Code:
$ fastboot boot recovery.img
downloading 'boot.img'...
OKAY [ 0.736s]
booting...
FAILED (remote failure)
finished. total time: 0.746s
There must be a way to restore this phone to a working state! I can't believe it's so messed up after an official update...
Click to expand...
Click to collapse
What os were you running when the phone screwed up ?

therealduff1 said:
What os were you running when the phone screwed up ?
Click to expand...
Click to collapse
I was running 5.1.1 when I got the notification for the 6.0 update.
I've noticed that trying to flash 5.1.1 firmware with fastboot gives me errors (preflash validation failed) while the 6.0 work "fine" (i.e.: I get OKAY after every step but then the phone is always stuck in a bootloop).
Thanks!

DO NOT ATTEMPT TO DOWNGRADE BOOTLOADER.IMG OR GPT.IMG !!!!!!! DONT FLASH LOLLIPOP VERSION OF THOSE FILES ON A DEVICE RUNNING 6.0
plz tell me u didnt flash those files..

therealduff1 said:
DO NOT ATTEMPT TO DOWNGRADE BOOTLOADER.IMG OR GPT.IMG !!!!!!! DONT FLASH LOLLIPOP VERSION OF THOSE FILES ON A DEVICE RUNNING 6.0
plz tell me u didnt flash those files..
Click to expand...
Click to collapse
Well I wasn't sure what version I was running to be honest so I think I tried to flash the gpt.img from 5.1.1 at some point but it failed with the preflash validation failure. I've always only flashed the 6.0 firmware files.

rent0n said:
Well I wasn't sure what version I was running to be honest so I think I tried to flash the gpt.img from 5.1.1 at some point but it failed with the preflash validation failure. I've always only flashed the 6.0 firmware files.
Click to expand...
Click to collapse
Have you gave this a try?

heavy_metal_man said:
Have you gave this a try?
Click to expand...
Click to collapse
Yes, no luck unfortunately.
I think I might have flashed the 5.1.1 bootloader after all - is there any way to recover from there?
Thanks,

Bump!
Does anyone have any other suggestion please?
Thanks,

Last bump
I'm going to sell this on eBay as non-working then unless someone comes up with a clever solution?
Thanks for your help!

Try flashing once more starting with the gpt.bin (that should hopefully take care of raw partition error) and skipping the bootloader altogether. Also, may be worthwhile to try mfastboot.exe instead of fastboot.exe.

I have this same issue, but I haven't flash 5.1.1 Files, I Only tried with 6.0 Brazil Retail.
I also tried to flash gpt to get rid of the "raw" partition, everything goes ok but still displaying that error. Anyone can help?

I got the same problem with my Moto E 2015... If I find a solution I will reply it in this topic..

[HELP] XT1563 Bricked after trying to root it

After tried to root my device without the assist of PC (only using apk), my device only starts on AP Fastboot Flash Mode (Secure).
I downloaded the brazilian firmware, tried to flash it but I can't.
Was getting this ERROR: "(bootloader) Preflash validation failed".
My bootloader is locked, so I tried to unlock it following the Motorola's guide. Got my device ID via fastboot, copy and paste on their site and requested the unlock key.
Then again, when I use "fastboot oem unlock CODE"
(bootloader) Check 'Allow OEM Unlock' in Developer Options.
FAILED (remote failure)
finished. total time: 0.016s
The problem is that I can't pass trough flash mode screen.
I've been reading some threads over here, and one guy which had his bootloader locked on XT1563 tried to flash the Canadian firmware and didn't get any error, then he was able to fully unlock his bootloader and after this he was able to flash the Brazilian firmware.
I didn't try to flash the Canadian firmware yet. How risky is this? There is another way to unlock the bootloader?

If you flash the right firmware for a locked phone (model and version), it won't give the prevalidation error. Then it can boot again and you can turn on the OEM unlock, and unlock the bootloader.
Try to use the right firmware for your phone.

TImMaia said:
After tried to root my device without the assist of PC (only using apk), my device only starts on AP Fastboot Flash Mode (Secure).
I downloaded the brazilian firmware, tried to flash it but I can't.
Was getting this ERROR: "(bootloader) Preflash validation failed".
Click to expand...
Click to collapse
I don't believe it is possible to root without first unlocking your bootloader (which will factory reset your device). What apk were you attempting to install?

MrTooPhone said:
I don't believe it is possible to root without first unlocking your bootloader (which will factory reset your device). What apk were you attempting to install?
Click to expand...
Click to collapse
I'm a real noob at this issue. I tried to root with Kingroot. I took the device to the Motorola Tech Support in my city yesterday afternoon and it is ready to pick up.
Thank you guys for helping me :good::good::good:

TImMaia said:
I'm a real noob at this issue. I tried to root with Kingroot. I took the device to the Motorola Tech Support in my city yesterday afternoon and it is ready to pick up.
Thank you guys for helping me :good::good::good:
Click to expand...
Click to collapse
If you really want to root, you need to follow these instructions. Although you can use the latest version of TWRP, do not use any other version of Supersu except v2.62-3. Any other methods will most likely soft brick your phone.

Boys, is not difficult, not just fiddling around to fix it.
Motorola install drivers
Install ADB and fastboot
Looking for your stock rom here: " github dot com dash motoxplay dash stock dash releases " for example.
Saddled with fastboot Tooda the rom (eye, if downloaded from out there commands, you may be wanting to them upload any image rom, this drove me crazy to me all one day until I realized I was missing two sparsechunk).
fastboot flash partition gpt.bin
fastboot flash bootloader bootloader.img
fastboot flash logo logo.bin
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img_sparsechunk.0
fastboot flash system system.img_sparsechunk.1
fastboot flash system system.img_sparsechunk.2
fastboot flash system system.img_sparsechunk.3
fastboot flash system system.img_sparsechunk.4
fastboot flash system system.img_sparsechunk.5
fastboot flash system system.img_sparsechunk.6
fastboot flash system system.img_sparsechunk.7
fastboot flash system system.img_sparsechunk.8
fastboot flash system system.img_sparsechunk.9
fastboot flash modem NON-HLOS.bin
fastboot erase modemst1
fastboot erase modemst2
fastboot flash fsg fsg.mbn
fastboot erase cache
fastboot erase userdata
fastboot reboot
On the subject battery, the XT1563 charge the batt when it is in this mode, we just have to leave it connected to the charger and is loading very slowly.
On the bootloader issue, I have LOCK, and may do so without problems because they look the same version of rom that he had.
About not having DEPURACION USB, I did not have it on, and yet I could do it.
My stay in Fastboot mode I when installing the app Kingroot, and turned off the phone and start no more.
In this way it is solved, 100% sure I did not do myself. Do not try other methods like TWRP or things like that because with locked bootloader will hit the wall every time.
Anyone who needs a hand, ask or send mail.
Sorry if he had been resolved, but it was a big achievement for me, so I leave the info. I cost a lot to buy the cell phone and had ****ed the other day.
Regards!
(Sorry, its googletranslated, im from argentina)

Yeah, what ever @jonatandirocca1 said is right
i also once faced the problem of missing sparse file but after flashing every file you can make your Phone revoke
if you want to install STOCK FIRMWARE , you dont need to unlock bootloader, you just need your phone detected in ADB