[Guide] How to Flash Stock Firmware of Moto G 3rd Gen 2015 [All Variants]

i was followed your commadns but it was comming like that on my motog3 device due to bootloupe after an update
.
.

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash partition gpt.bin
target reported max download size of 268435456 bytes
error: cannot load 'gpt.bin': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash motoboot motoboot.img
target reported max download size of 268435456 bytes
error: cannot load 'motoboot.img': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash logo logo.bin
target reported max download size of 268435456 bytes
error: cannot load 'logo.bin': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash boot boot.img
target reported max download size of 268435456 bytes
error: cannot load 'boot.img': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash recovery recovery.img
target reported max download size of 268435456 bytes
error: cannot load 'recovery.img': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash system system.img_spar
sechunk1
target reported max download size of 268435456 bytes
error: cannot load 'system.img_sparsechunk1': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash system system.img_spar
echunk2
target reported max download size of 268435456 bytes
error: cannot load 'system.img_sparechunk2': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash system system.img_spar
sechunk3
target reported max download size of 268435456 bytes
error: cannot load 'system.img_sparsechunk3': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash modem NON-HLOS.bin
target reported max download size of 268435456 bytes
error: cannot load 'NON-HLOS.bin': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot erase modemst1
erasing 'modemst1'…
OKAY [ 0.062s]
finished. total time: 0.085s

C:UsersAdminDesktopMfastbootMfastboot>fastboot erase modemst2
erasing 'modemst2'…
OKAY [ 0.021s]
finished. total time: 0.022s

C:UsersAdminDesktopMfastbootMfastboot>fastboot flash fsg fsg.mbn
target reported max download size of 268435456 bytes
error: cannot load 'fsg.mbn': No error

C:UsersAdminDesktopMfastbootMfastboot>fastboot erase cache
erasing 'cache'…
OKAY [ 0.119s]
finished. total time: 0.120s

C:UsersAdminDesktopMfastbootMfastboot>fastboot erase userdata
erasing 'userdata'…
OKAY [ 0.975s]
finished. total time: 0.976s

C:UsersAdminDesktopMfastbootMfastboot>fastboot reboot
< waiting for device >
rebooting…

finished. total time: 0.007s

C:UsersAdminDesktopMfastbootMfastboot>
.
.please help what should i do now

BOM DIA AMIGO! QUAIS OS COMANDOS DEVO USAR PARA O XT1543 DUAL, 16GB ?

Amigo, estou tendo problemas em fazer o procedimento no meu celular o problema é o mesmo do primeiro comentário, da erro no gpt.bin, como procedo?

Thanks! it works perfect!

com dia amigo eu estou tendo problemas pra instalar a rom do xt1543 pois ja baixei 4 rons do site que voçe indicou e nenhuma deu certo todas da erro …..'failed to validate system image' sera que vc pode mi ajudar ….obrigado …

Do I need unlocked bootloader?

Thanks it worked on my device.

eaí cara, o que acontece é o seguinte, eu perdi a senha do meu e-mail e ta pedindo o meu e-mail cadastrado da primeira vez, como proceder?
Tem que desbloquear o bootloader? Porque como não tenho acesso as opções do celular, não da pra ativar a opção lá de desenvolvedor e tal…

eu tentei normalmente deu isso:
C:UserstutuoDownloadsCompressedNova pastaadb-fastboot-latest_win_linux>fas
tboot flash boot boot.img
target reported max download size of 268435456 bytes
sending 'boot' (16384 KB)…
OKAY [ 0.542s]
writing 'boot'…
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 1.108s

xt 1550

Does this lock the bootloder?

thankyou so so so much

Thank you so much!!! My US Cellular Moto 3 3rd gen couldn't connect to the LTE network so I had to re-flash. This post worked great!
One observation: The first line is wrapped on my screen, resulting in:
fastboot flash partition gpt.bin fastboot flash bootloader bootloader.img
Also, if you're confident the lines can be pasted in multiples 🙂

my wifi doesn't work

Preflash validation fail

Thanks.Works totally fine

Thanks Gammerson..You r the best

please advice it shows error
pre flash validation failed

Hey I need help "fastboot flash system system.img_sparsechunk.5" not working for me

Please help

Forget it, that command was not necessary.
I had a bootloop problem but now my 3G is working.
Thank you so much!!

Update of Marshmallow on G3 sucked. Had to rollback to Lollipop in legit way. This worked. Thanks (:

Man, I just unlocked the bookloader and my phone got on normally and bootloader is unlocked.
Now i installed TWRP.

Til here everything is okay, but as soon as i tried to reboot in system through TWRP it asked me to root my device, so i swiped and rooted it and from that moment my phone is hanged on that bootleader screen which says "WARNING BOOTLOADER UNLOCKED".

Please let me know if by flashing stock firmware will my problem be solved?
BTW I'm having Indian XT1550 model of G3.

C:adb>fastboot flash system system.img_sparsechunk.0
sending 'system' (232264 KB)…
OKAY [ 7.288s]
writing 'system'…
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)

I rooted my moto g 2015 xt1550(osprey) and tried few Custom ROM's.
Then I switched back to stock rom to marshmallow with the help of the file which was provided by lost101 . I did exactly how it was written every thing went well, my cell booted normally. Then I replaced the recovery by TWRP file. After that I installed SuperSU file from TWRP and when i restarted in system it got stuck on boot loop.
1. I tried installing ROM again and TWRP that time it started well but as i install SuperSU it gets stuck
2. When i install TWRP and just boot after some time wen i try switching to TWRP it says no command.

PLZ help i really want my root privileges back. I am unable to understand how to resolve this.

I min a bootloop or my device is bricked.
When I flash commands it says
Preflash validation failed
FAILED .
I ignored and started putting next command at the end my device powered off but not rebooted.
Please help me to prevent preflash validation… Please help me I am in a really bad situation.
Thanks .

This is what I got. please help
C:UsersKarlDesktopMfastboot>fastboot flash partition gpt.bin
target reported max download size of 268435456 bytes
sending 'partition' (32 KB)…
OKAY [ 0.007s]
writing 'partition'…
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 0.412s
C:UsersKarlDesktopMfastboot>fastboot flash bootloader bootloader.img
target reported max download size of 268435456 bytes
sending 'bootloader' (2546 KB)…
OKAY [ 0.087s]
writing 'bootloader'…
(bootloader) flashing sbl1 …
(bootloader) flashing aboot …
(bootloader) flashing tz …
(bootloader) flashing hyp …
(bootloader) flashing rpm …
OKAY [ 1.502s]
finished. total time: 1.595s
C:UsersKarlDesktopMfastboot>fastboot flash logo logo.bin
target reported max download size of 268435456 bytes
sending 'logo' (917 KB)…
OKAY [ 0.036s]
writing 'logo'…
OKAY [ 0.054s]
finished. total time: 0.094s
C:UsersKarlDesktopMfastboot>fastboot flash boot boot.img
target reported max download size of 268435456 bytes
sending 'boot' (16384 KB)…
OKAY [ 0.540s]
writing 'boot'…
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 1.073s
C:UsersKarlDesktopMfastboot>fastboot flash recovery recovery.img
target reported max download size of 268435456 bytes
sending 'recovery' (16484 KB)…
OKAY [ 0.539s]
writing 'recovery'…
OKAY [ 0.770s]
finished. total time: 1.315s
C:UsersKarlDesktopMfastboot>fastboot flash system system.img_sparsechunk.0
target reported max download size of 268435456 bytes
sending 'system' (262141 KB)…
OKAY [ 8.346s]
writing 'system'…
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 8.799s
C:UsersKarlDesktopMfastboot>fastboot flash system system.img_sparsechunk.1
target reported max download size of 268435456 bytes
sending 'system' (260366 KB)…
OKAY [ 8.293s]
writing 'system'…
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 8.336s
C:UsersKarlDesktopMfastboot>fastboot flash system system.img_sparsechunk.2
target reported max download size of 268435456 bytes
sending 'system' (262143 KB)…
OKAY [ 8.311s]
writing 'system'…
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 8.385s

Amigossss, cuando se va a iniciar, se me queda en un bootloop infinito :/
Alguna ayuda??

Can you please help me i did everything right but my phone doesn't boot anymore, it hangs at the warning bootloader unlocked screen. Please help it's my personal phone…….

Oh wait i might now what i did wrong the fastboot flash motoboot motoboot.img didn't work because it wasn't there(in the folder, it didn't came with the download).

I allready solved the problem, I looked up an other tutorial earlier which sad motoboot instead of just boot. I feel very dump now……. thanks it worked for me after all

Ok I did this twice downgrading to 511 and it restarted in 60… I got the prevalidation error and then a couple other comands said OKAY but mentioned the preflash validation fail… 1540 Moto g 3

Can I use this to downgrade from marshmallow to lollipop?
If I follow the steps correctly?

I'm facing some different problem, i got OTA update for android 6.0 on moto g3 (xt1550) i installed it and my phone is stuck in bootloop, then i tried your method, again and again i'm flashing android 6.0 but everytime it stuck in bootloop.
I cant even unlock bootloader because usb debugging is disabled so can you tell me is there any other way to flash stock rom without getting into bootloop. THANK-YOU…

Right now I am using cm12.1, thinking of switching to stock 6.0 Now, i wanted to know 1) whether i will get future OTAs after flashing stock 6.0 and 2)which recovery it will be after flashing stock twrp or stock ?

Right now I am using cm12.1, thinking of switching to stock 6.0 Now, i wanted to know 1) whether i will get future OTAs after flashing stock 6.0 and 2)which recovery it will be after flashing stock twrp or stock ?

Everything went correct but i got stuck in boot loop. please tell me what should i do????

Can i just installiert it via twrp recovery? And will i get the newest ota updates?

It doesn't remove the google account please help

I DID ALL THE STEP U SAID NO ERROR FOUND IN ANY STEP BUT STILL MY MOBILE IS NOT BOOTING. ERROR IS "FAILED TO VALIDATE SYSTEM IMAGE, ERRROR FAILED TO PASS VALIDATON, BACKUP TO FASTBOOT"
FASTBOOT REASON: FALL-THROUGH FROM NORMAL BOOT MODE

i used kingroot app to root my moto g 2015 indian variant with 2gb ram 16gb internal.Now my phone is stuck in fastboot startup loop.Plz help.

motorola xt1540

Awesome! Worked perfectly. Although i had to change the commands to lowercase as it didn’t recognize them in uppercase. Thanks 🙂

Hey there, my phone still looking better with these steps, but hen it boots its still stock on the “warning bootloader unlocked” and then it says “erasing…” and it loops these two messages?

do you know what should I do?

Thank you very much for any help!!

I’m having trouble unlocking my bike g3 xt1541 8g rom because I found all pack are not 2016 and can enable developer mode
I need to find the rom that is to pack 2015

Thank you!

The gpt.bin step didn’t work. But the rest of your steps got me out of bootloader loop and back to the way my Moto G 3rd Gen was when I bought it.

I had to tried to root it. I unlocked the phone and installed TWRP successfully but SuperSU broke my phone somehow.

bootloader.img not flashing on my moto g3 te xt1557
say
failed unknown error

Hey bro error while flash twrp recovery max download size any idea to solve that

bro u are like god to me my phone was stuch at bootloop and i tried it in your way and it worked and please tell can we install OTA updates now

fastboot flash partition gpt.bin
target reported max download size of 268435456 bytes
sending ‘partition’ (32 KB)…
OKAY [ 0.006s]
writing ‘partition’…
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 0.432s

Dude I done all the steps properly but my device is not getting started its erasing then TURNING IN AGAIN ERASING. Please help

after all the steps the phone reboot and just doing the erasing. then again bootloader restarts and again it starts erasing. please help me

i did everything in the procedure
After reboot it shows
Start Up Failed:
Your device didn’t start up successfully.
Use the Software Repair Assistant on computer to repair your device.
Connect your device to your computer to get the Software Repair Assistant.

And it shows an error:
Fastboot reason: UTAG “bootmode” configured as fastboot
usb connected
failed to validate system image
Error :Failed to pass validation. backup to fastboot.
boot up failed

While doing this I faced many command failures…