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Nov 14

New Bootloader Unlock Tool Posted


Here is a new tool I created to allow you to easily Lock and Unlock bootloader as well as removing Tampered. If you have S-Off you can simply flash this from recovery and choose your bootloader options.

Guide for using the tool with screen shots can be found HERE.

 Main Screen:

GBLbl

The Tool can be downloaded here:


Guru Bootloader Reset 1.1
File Size: 3.5 MiB - Downloads: 38025
MD5: bfbaf82a3105523f5f7b547708537d74
Comments: This file will allow you to remove the Tampered Flag and also Unlock and Lock your Bootloader.

**S-OFF is required

Simply install from custom recovery CWM or TWRP.

Make sure you have the latest version of recovery as M7 U/UL  TWRP requires at least version 2.6.3.3 for this package to work.

The latest M7 U/UL  TWRP can be downloaded HERE.

The latest M7 U/UL  CWM can be downloaded HERE.

This should work for Verizon and Sprint as well, however they have different versions of these recoveries, so I am unable to test.

 

Enjoy!



16 comments

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  1. tay

    This may be a stupid question.. But how do you gain S-off in the first place without unlocking the bootloader?

    1. crushalot

      If you have hboot 1.44 then revone could be used. Mostly this tool would be used after you have gained S-off with unlocking the bootloader via htcdev.

      1. Robert

        First, thank you for your hard work to develop this. I am S-off, unlocked, rooted. I installed the tool in twrp and selected to remove tampered message. This did not work for me but it also removed twrp recovery requiring to reflash twrp recovery. Am I doing something wrong running the tool?
        Thanks,
        Robert

        1. crushalot

          This tool can’t remove recovery as that isn’t in the script. Not sure what you did to do that.
          For the tool to work in TWRP you need to have at least version 2.6.3.3. It won’t work if you have an earlier version.
          Many have confirmed it works fine as well I have tested it thoroughly. Make sure you are using one of the supported devices.

  2. Cloudyherb

    I am rooting my friend’s HTC One, he wants to stay stock at the moment, he is on 4.3, if I unlock the bootloader then it deletes all the data, how to do I backup the data and apps before unlocking? because Titanium backup can’t be used. I am just seeking alternative methods. his phone’s on HBoot 1.55.

  3. Simon

    So let me get this straight…to return to complete stock.

    Run this and select remove tamper followed by lock bootloader
    From recovery run a GuruReset package replacing rom/radio/recovery only (hboot is currently 1.44 showing red warning text)
    Turn S-off to S-on using fastboot oem writesecureflag 3

  4. wewenk

    hi there, I use this tool with my HTC One dualsim 802w or 802d ???

  5. Tanveer

    when we can able to use this tools with S-on please or maybe just option to remove temporary only but must work with S-On?

  6. gabriel campos

    one is for htc mini M4??

    1. crushalot

      No, it is for the M7 only.

  7. Dacia

    I was curious if you ever considered changing the page layout of your
    blog? Its very well written; I love what youve got to say.

    But maybe you could a little more in the way of content
    so people could connect with it better. Youve got an awful lot of text for only having 1
    or 2 pictures. Maybe you could space it out better?

  8. Rafael Marin

    I need to know if this tools found in the HTC J One M7 this variant is the Japan!

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  10. felix

    i bought htc one m7 from ebay and it is unlocked.as i check it is tampered.i want to upgrade but i dont know as others is saying that i cant update as my phone is ” TAMPERED”.
    can you help and guide me to update/upgrade my phone to the latest.
    thanks

  11. ken

    Hi. I used your bootloader tool to re-lock my M7 and now it will not allow me to unlock it again. Is there a way to do this? Thanks

  12. Alan

    I have an Verizon HTC ONE MAX and I am using my T-mobile chip in it. I only get the “E” or the “H” network speed instead of the 4G LTE.

    I heard about RumRunner but can’t seem to find it. Also, I did the fast.t-mobile.com thing, too and the epc. I have a ASUS laptop that

    runs Vista. Can you help me please to utilize the 4G LTE network I am paying for on my Verizon phone with my T-Mobile chip inside ?

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