1. nabilrezki's Avatar
    Hi, i got this phone since a couple of years now, and i gave it to my father, and one day he called me and said " the phone does'nt work anymore, i've got a weird screen with multiple colors"

    So, i've tried to factory reset from the hboot menu first, also tried a simple reboot and it didn't changed anything, the phone reboot everytime to the same screen :

    *** Software status: Modified ***
    *** LOCKED ***
    *** Security Warning ***
    A51_UL PVT SHIP S-ON
    HBOOT-3.19.0.0000
    RADIO-01.01.010_U10305041_08.01.50512
    OS-3.17.401.3
    eMMc-boot 2048MB OC
    Apr 11 2016,11:54:47.0

    FASTBOOT

    <VOL UP> to previous item
    <VOL DOWN> to next item
    <POWER> to select item

    HBOOT
    RAMDUMP
    REBOOT
    REBOOT FASTBOOT
    POWER DOWN

    After looking around on the internet, i've seen a bunch of people having the same problems, and almost all of them managed to solve it.

    I've been to htc website in order to get my Unlock.bin file, after that, i typed fastboot flash unlocktoken Unlock_code.bin , the phone gave me this message "Unlock bootloader ?" , i pressed the power button after selecting yes. And after a few moments, the phone rebooted to the same screen, with nothing changed on it.

    So i tried to flash twrp on it anyway but it gave me this :

    D:\Téléchargements\Fastboot>fastboot flash recovery HTC_A51_TWRP_Recovery_3.0.2-0_htcui.com.img

    sending 'recovery' (30962 KB)... OKAY [ 2.198s]
    writing 'recovery'... INFOsignature checking...
    FAILED (remote: signature verify fail)
    finished. total time: 4.240s

    I also tried to put a stock firmware (0PFJIMG_A51_UL_K44_DESIRE_SENSE60_Orange_FR-B2B_1.28.73.2_Radio_01.01.010_U10305041_08.01.41222_2_release_420793_signed) on a sdcard, then reboot to hboot, but i got this message :

    SD Checking...
    No gift file...
    Loading... [OPFJDIAG.zip]
    No Image!
    Loading...[OPFJDIAG.nbh]
    No image or wrong image!
    Loading...[OPFJIMG.zip]
    Loading...[OPFJIMG.nbh]
    No image or wrong image

    After that, i typed the cmd

    D:\Téléchargements\Fastboot>fastboot flash zip firmware.zip
    sending 'zip' (1650266 KB)... OKAY [ 64.509s]
    writing 'zip'... INFOsignature checking...
    FAILED (remote: signature verify fail)
    finished. total time: 929.978s

    I don't know what else can i do

    Have i done something wrong ? Maybe the wrong firmwares ?

    Thanks for your help in advance
    08-25-2020 07:51 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Did you get this phone new or used? If it was used, do you know if the previous owner had rooted it and installed a custom ROM?
    08-25-2020 11:01 AM

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