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  1. #1
    Specialist Genuwine1976's Avatar
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    Cool [riskfreeroot] - HTC Desire rooting guide

    riskfreeroot - HTC Desire rooting guide - now with HBOOT 0.80 and OS to 1.21 support


    This is not my work and credit goes to the creator.......... I am only sharing the knowledge.


    Remember that if you use this guide, you do so entirely at your own risk!!

    How to root the HTC Desire!

    Compatibility

    This guide will allow you to root your HTC Desire, provided it has a bootloader version of 0.80 or below and ROM version 1.21.xxx.x or below (2 different downloads are available depending on your ROM version). To check this, turn off your device, then turn it back on with the 'back' key held. On the second line in green text you will see HBOOT- and then a number. Provided this is 0.80 or below, this guide should work for you.

    If you have a bootloader / OS newer than this, please visit
    [Only registered and activated users can see links. ]
    for details on how to downgrade.

    Desire rooting protection

    Back in the early days of Android, rooting was easy. You had several options - you could flash stuff via the bootloader, you could flash an engineering bootloader, you could use kernel exploits - there were many ways of getting the low level access to your device that - in fairness - I think we as paying customers are entitled to. As time has progressed however, the manufacturers have made things harder and harder. The Desire is not a straightforward phone to root, for many reasons, including...

    * a 'perfected bootloader' that doesn't allow flashing or booting of any images (even HTC signed ones)
    * a RUU flash process that does not allow downgrading of the bootloader to earlier versions
    * a kernel (that as yet does not have publicly available source) that as yet has no known exploits
    * a new protection method previously seen on the HTC Tattoo that protects key partitions from having write access. Even with SU access, it is not possible to write to the boot, recovery or system partitions.

    In reality, the options for rooting a device this secure are limited. Even if a kernel exploit were found, the key partitions would still be unwritable, rendering su access useless. This was circumvented on the Tattoo very cleverly, using a specific memory address from a confidential Qualcomm datasheet, however this information is not yet available for the Snapdragon chipset used in the Desire (and indeed may never enter the public domain).

    And so the root process becomes a process of methodically probing every possible point of exposure on the device, looking for the slightest chink in the armour. I found one and we're putting it to good use! The downside is that it's not as easy or as pretty as rooting a device that is actually DESIGNED to be accessible at the lowest level, such as the Nexus One.

    Shame on you HTC for going to such unnecessary lengths (but that's another story for another day).

    What this root process provides and does not provide

    The root process will...

    * flash your device with a new, generic 1.15.405.4 based ROM that has Superuser access

    The root process will NOT...

    * enable you to flash your device with a custom recovery image
    * enable you to have write access to the /system partition in normal use of the device

    Both of these limitations are being worked on of course. wink.gif

    Pre-requisites

    In order to complete this guide, you need the following...

    * a HTC Desire wink.gif
    * a computer running Windows (32 bit recommended, some users have reported issues with x64), OSX or Linux
    * a microUSB cable
    * a microSD card (to be made into a 'goldcard' - only necessary if your device is an operator supplied device)
    * the downloads below
    * balls of steel (actually, I just made that up) tongue.gif

    Download

    To be ready for the guide, download one of the following items...

    - If you have a bootloader version 0.75.xxxx or below AND a current ROM of 1.15.xxx.x or below - DOWNLOAD (ROMraid / CoBlitz)
    [Only registered and activated users can see links. ]
    - MD5: 28dd5acc4104bb49bd4b292cc8e8437c

    - ONLY if the above download is not suitable - if you have a bootloader version 0.80.xxxx or below AND a current ROM of 1.21.xxx.x or below - DOWNLOAD (ROMraid / CoBlitz)
    [Only registered and activated users can see links. ]
    - MD5: eb2ed5bca1334cacd70e4720f5b29960

    Once you have this on your machine, you're ready to start! smile.gif

    The guide

    Follow through these steps, one by one and at the end of it you'll have a rooted Desire with the latest ROM.

    Note: This process will wipe your device and there is currently no option to backup your device ROM before you start.

    * Make your microSD card into a goldcard by following these instructions
    [Only registered and activated users can see links. ]
    (it's a good idea to back up the contents of your card first!).
    * Unzip the file you downloaded to a directory, then open a command prompt / terminal window at that directory.
    * Copy the 'update.zip' file to your microSD. Do NOT rename it.
    * Turn off your HTC Desire, then turn it back on with the 'back' button held down. You'll see 'FASTBOOT' written on the screen in a red box. Connect the phone to the computer.
    * In the terminal window, enter either 'step1-windows.bat', './step1-mac.sh' or './step1-linux.sh' as appropriate.
    * Navigate to the 'BOOTLOADER' and then 'RECOVERY' option on the menu, using the volume buttons to move and the power button to select.
    * When a black screen appears with a red triangle, press and hold 'Volume Up' then tap 'Power'.
    * Your device should now be at the 'recovery' screen. Select the 'wipe data/factory reset' option, then select the option to 'Apply sdcard:update.zip'. This will take a little while, so go make a nice cup of tea. When the flash has finished, reboot, and you are DONE! smile.gif

    Troubleshooting

    If you have any issues with the root process, post below, and we'll do our best to help! smile.gif

    Using a custom recovery image

    You can access a custom recovery image by using fake-flash
    [Only registered and activated users can see links. ]
    developed by myself and Koush.

    Thanks to nilezon for his patched windows ADB binary and ChainsDD for his excellent new Superuser Permissions update.
    [Only registered and activated users can see links. ]

    Don't forget to say thanks

  2. #2
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    Default Re: [riskfreeroot] - HTC Desire rooting guide

    Has any1 figured out how to root the desire with Hboot 1.06.0000 or down grade it?


 

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