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Stuck on HTC boot

Discussion in 'Android Devices' started by jazzman88, Aug 17, 2017.

  1. jazzman88

    jazzman88 Lurker
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    Hello,

    I need your help guys,
    Ive been looking for a while a solution to boot normally my phone.
    I entered in the bootloader and try almost everything (factory reset and so on).
    I tried also to put a ROM on a sd Card to boot it but it displayed no image.
    HERE ARE THE INFORMATION OF MY BOOTLOADER.
    Can I do something ?

    ***LOCKED***
    M8_UL PVT SHIP S-OFF
    CID - 11111111
    HBOOT-3.18.0.0000
    RADIO-1.19.21331147A1.09G
    Open DSP-v38.2.2-00542-M8974.0311
    OS -2.22.401.5
    eMMC-boot 2048MB
    aug 4 2014 22h5939.1

    Something I didnt understand.
    Do I have to use a recovery custom ??
    or can I boot directly from my sd card ?
    Thanks a lot guys for enlightening me
     

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  2. Hadron

    Hadron  
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    What type of ROM are you trying to install? If it's a custom one you need a custom recovery (which will require unlocking your bootloader again). If you want a stock ROM (from an HTC ROM Upgrade Utility, RUU) then you can do it in 2 ways:

    1) using the RUU as a Windows .exe, put the phone in fastboot mode, connect to a PC, run the RUU on the PC

    2) using a ROM .zip, put the file on your sd card, rename it to some special name (which is different for different HTC models, I don't recall what it is for the M8 but a quick web search should find it) and reboot the phone: the bootloader will identify and install it.

    Obviously it has to be the right RUU/ROM for your phone, so it's important to know what model of M8 you have (if it's something unusual like a Verizon or Sprint one you do not want to install GSM firmware!). Normally the phone would protect you against installing the wrong software, but as yours has been modified to bypass all such protections (S-Off and that particular CID number) you need to make sure you don't try to install the wrong thing - the flip side of making such mods is that you gain the power to screw things up as well as the advantages of having that flexibility. Of course that assumes you made the modifications, rather than a previous owner.

    From your radio version I'd say you have a GSM model (M8_UL), so a European WWE (WorldWide English) ROM/RUU would be OK.

    I can't tell you why what you've done hasn't worked because you've not said anything about the file you were trying to install, but most likely is that your .zip file is wrong (e.g. you are trying to install a custom ROM via the bootloader method).
     
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  3. jazzman88

    jazzman88 Lurker
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    First of all, Thanks for your quick answer ! and the clarity of your explanation.

    1) About the custom ROM, I would prefer this option, nevertheless it resulted complicateed when i tried yesterday. I gave up quickly and I guess i would prefer to boot a stock rom from the current bootloader.

    2) Concerning the ROM i tried to install it was the following : flyme_HTC-M8w_XXOS_Developer_6.7.7.31R-beta
    I found it on ROMNEED.
    I admit that i chose it kind of random- to check if it was detected or something.
    I will try and im aware of inherent risks, a ROM adapted to GSM model (M8_UL)-
    European WWE (WorldWide English) ROM/RUU.
    which one would you recommend to me ?
    I take all the responsability of the operation ;)
    In the meanwhile, I will try to find one.

    Thanks again ;)
     
  4. jazzman88

    jazzman88 Lurker
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  5. Hadron

    Hadron  
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    Sorry, busy day, may not be able to get back to you immediately. Bumping this to remind myself (and anyone else who wants).

    That first (2 posts above) sounds like a custom ROM, which would be why it didn't work.
     
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  6. Hadron

    Hadron  
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    So, as I'm briefly online at the moment:

    * Custom ROM option: for this you do need a custom recovery. TWRP is generally the recommended one these days. You can find download links and instructions here. You'd want the "no root" method of installation, which requires downloading a TWRP zip from one of the links, installing fastboot on a computer (and drivers if you use Windows), then using fastboot to install the recovery. Since your bootloader is locked you'd need to unlock it again, which will also do a factory reset.

    Once you have the recovery installed you just need to put the ROM on your SD card (card reader is simple, or you can use ADB when in the custom recovery), then factory reset from recovery (though unlocking did that) and then select install from the recovery menu.

    * Stock ROM option: from the list linked in your last post, you should in principle be able to use any of the M8_UL RUUs. Do not use an M8_WHL one, that would be very dangerous. Unless you have a good reason to do so (like needing a carrier-specific feature - I don't know which carrier you are using it with) I'd choose a generic one like the HTC_Europe one rather than a carrier-specific one (more bloatware!). Because of your CID value you could use any, which is not the normal situation.

    I think this should all work with the bootloader locked (as it currently is). In fact the .exe files I think will require it.

    I think your phone currently has Lollipop (5.x) firmware, but you can use a Marshmallow (6.x) one if you prefer - it will completely update the phone anyway.

    For the .exe files you should download to a PC, connect the phone by USB, put the phone in fastboot mode and then run the RUU. A couple of them are OP6BIMG_xxx.zip files: these you could try putting on your SD card and installing as you attempted before (boot into bootloader and see whether it will just install them). I can't remember whether you need to rename them to just OP6BIMG.zip or whether the name starting like that will be sufficient. Or there is a sequence of fastboot commands you can use to flash an RUU zip file: the instructions in this thread for "method #2: fastboot/RUU mode .zips" should work for flashing an RUU zip (that's why it's called "RUU mode": these are really the instructions for flashing RUUs in zip format).

    Sorry, I know that's quite a dense collection of facts, but I'm not sure I'll be online much more tonight and I think everything is in there. But make sure you understand and are comfortable with what you are doing before trying anything, and ask if there is something you don't understand.
     
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  7. James L

    James L Android Expert
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    Fastboot flashing a RUU.zip would be pretty easy. You have S off and supercid.
     
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HTC One M8

The HTC One M8 is the Taiwanese company's flagship phone for the first half of 2014. It built on its predecessor with an upgraded 5-inch 1080p display, Snapdragon 801 processor, 2GB of RAM, 32GB of internal storage, and an UltraPixel rear Duo Camera.

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