How to Install TWRP Recovery on Android Using Fastboot

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  • #16466
    Linux User


    I’m having trouble boot up my device.
    I used ADB and fastload to unlock my bootloader
    Before rebooting my device, I flashed TWRP with twrp-3.1.0-0-hammerhead image file.
    At this stage, my device is doing a boot loop with the error:
    “failed to mount /data (invalid argument)”

    I’ve tried to look around with no result. Could you help?

    Linux User

    Hi. I need yours help..

    C:\Users\pk\Desktop\trwp>fastboot flash recovery twrp-2.img
    target reported max download size of 536870912 bytes
    sending ‘recovery’ (12552 KB)…
    OKAY [ 0.414s]
    writing ‘recovery’…
    (bootloader) Image recovery failed validation

    (bootloader) Preflash validation failed
    FAILED (remote failure)
    finished. total time: 0.440s

    What the problem?

    Motorola G4 – Unlocked.

    Linux User

    Rooting status:
    Bootloader unlocked: Yes

    Linux User

    I Get this error:
    sending ‘recovery’ (12498 KB)…
    OKAY [ 0.402s]
    writing ‘recovery’…
    FAILED (remote: Command not allowed)
    finished. total time: 0.418s

    Linux User

    Hi Amon79, I think the system partition is gone after flashing the recovery (Practically this should never happen unless you messed up something). I cannot be so sure for this but try reflashing a compatible ROM to the phone and then it should come back but it will be a complete reset and you will starting over again with the new ROM.

    I hope you will have a backup !!

    • This reply was modified 2 weeks, 2 days ago by Linux User.
    Linux User

    Hello Areen, Can you try the TWRP link provided in the following link for S DUOS 2: Galaxy S DUOS 2 CM14.1 (CyanogenMod 14.1)

    • This reply was modified 2 weeks, 2 days ago by Linux User.
    Linux User

    [quote quote=22351]When I am entering recovery mode from bootloader page, it shows a picture of dead android and says no command. Please help. I am on moto g turbo

    I think the recovery image is not present on the phone or somehow erased.
    Try installing the recovery image once more and then reboot to recovery. Tell me if it still does not work !!

    Linux User

    These steps are very much confusing, I want to flash my asus_Z00UD to Oreo 8.1 can’t we flash new Rom without PC or LAPTOP as I don’t hv any of these .

    I did try using my friend LAPTOP , but was not able to follow steps after doing ADB my  phone was stuck on flashing boot screen & TWRP option was not poping up.

    Please email me steps wise in detail as I am very much new to this. Please mention where to store the downloaded file on phone internal or sd card

    Instead of writing so much about steps I think video is better option

    Linux User

    Usually the /data partition is not in picture (in most of the cases unless you are cleaning the data partition) when you are updating a custom ROM.

    I can see from the image that you have cleaned cache partition (I am just assuming here) successfully but there are so many prints of /data partition mount error.

    Does the bootloop in TWRP stops you executing other things??

    Few solutions based on just assumptions:
    – Try mounting the /data partition manually (if you can use the TWRP) and then see if the error stops.
    – If the first one does not work, then try downgrading the twrp (it is very likely that the newest TWRP might be buggy) to either 3.0.3 or 3.0.2 or further till you get a good TWRP running on your device.

    Linux User

    Ante todo MUCHAS GRACIAS y si no corresponde aquí este mensaje porfavor decicme donde enviarlo.
    Versión Banda Base XXUGNG8
    Compañeros instale la Rom 7.1.2 Nougat Resurrection Remix Os v5.8.5 – 2018-03-20 jftexx y lo instale desde cero, borrando todo, con TWRP y tengo instalado Magisk Manager 16.4 sin ningun Substrato, instale gapps – arm 7.1 pico no he modificado el Kernel solo esta Rooteado como e mencionado antes, el movil es un SAMSUNG GALAXY S4 Gt i9505 pero ahora tengo un par de problemas que me tienen desesperado, tengo que entrar desde Recovery … reiniciar sistema y enciende , Si lo apagas y lo que intenta encender aparece la batería pero no se puede usar el móvil de modo normal y corriente como devería hacerlo, es decir con el móvil apagado y despues lo pones a carga y en ocasiones no carga como si no hubieras enchufado el cargador. ……..
    Ayuda, Porfavor
    MUCHAS GRACIAS y espero me podais aconsejar? porque no se como como solucionarlo

Viewing 10 posts - 11 through 20 (of 48 total)
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