Yet Another Blog

March 3, 2008

Patching k750i red49

Filed under: hacks — Tags: , , , , , , — guilleml @ 8:09 pm

Patching this phone is really easy, it will take some time but I didn’t have any problem with the phone. Some patches make the phone laggy or freezes it but you only have to reflash the previous firmware and try another patch or another version, the phone will work fine.

We will need some tools:

Gslide: app used to patch the firmware image.
XS++: tool used to flash the firmware into the phone.
W800_R1BC002_MAIN_EU_EMEA_RED49: firmware image.

The process is simple:

    1- Get the firmware image binary you want to use. If you’re using the k750i or w800 you can use any k750 or w800 image, I used the w800 with my k750.
    Run Gslide, this app is used to apply the patches you want to use. Select the image bin from step 1 and the patches you’ve downloaded, these work fine with mine.
    Then apply and you’ll get a flash.bin image in your gslide directory, that image is the one you will flash into your phone later.
    3- Now it’s time to flash the new image. Run XS++, it will ask you to turn off the phone and plug the USB wire while pressing “c” button, then the app will detect your phone. Then select to flash only “main”, don’t flash “FS”.
    Select the flash.bin file you’ve just generated with gslide, and wait until it’s completed.

    4- Unplug your phone, extract the battery and insert it again, then turn on your phone as usual. It should work with your new firmware.


  1. […] To flash the firmware you can use XS++ that can be downloaded from […]

    Pingback by Far Manager with k750i@w800 red49 « Yet Another Blog — March 13, 2008 @ 4:20 pm

  2. Hi, what software do i use to install the software
    as my computer isnt rekonising the software?

    any help would be apriciated !


    Comment by Christian — July 22, 2008 @ 6:29 pm

  3. sorry, iv figured that out
    not that hard now, just learning

    next question
    how do u use gslide to “change” the boot flash
    im really lost !

    any help ?!

    Comment by Christian — July 22, 2008 @ 7:04 pm

  4. gslide just patches firmware images, if you find a patch that changes it, you can apply it with gslide.

    Comment by guilleml — July 26, 2008 @ 7:09 pm

  5. After I flashing my k750, I can’t turn on my phone.. What I supposed to do..??? Do you mind helping me please…

    Comment by Maria — August 21, 2008 @ 2:06 pm

  6. If you just flashed just the main firmware, just try to flash it again, I don’t think you’ll have any problem.
    You also can find a lot of similar cases in the forums at

    If you updated the FS and you had any problem, you may need the service wire to reflash it.

    Comment by guilleml — August 25, 2008 @ 2:55 pm

    • From where did you downloaded the vkp files????

      Comment by Omar — August 30, 2009 @ 10:21 am

      • You can find them on forums on the internet, I don’t remember the web right now, I used google.

        Comment by guilleml — August 30, 2009 @ 9:40 pm

  7. i have installed gslide when applying vkp it freezez. i get this nothing more! what to do?

    Patch-array complete.
    Expanding for code-caves.
    Completed, 1180581 bytes added.
    Patching complete.
    Making some zeroes…
    Generating new file…
    Generating new header…

    Comment by Amit — November 1, 2008 @ 9:58 am

  8. Are you sure it’s frozen? maybe it’s working? make sure you are applying the right file to the right firmware file, check the versions.
    Anyway, there are not any error messages, I can’t know more about it since it seems to work fine.

    Comment by guilleml — November 1, 2008 @ 12:29 pm

  9. well i think i was applying the correct patch that was supposed to be applied to file sys R6CA009 but mine was R6BA033 some how i was not able to flash my phone to R6CA009 file system. But in trying so now my cell is not able to start up. I flashed it with file system R6CA009. I mean i flashed its main and filesystem too. Now the thing is not starting only!!! on start it asks me the phone lock code but then say configuration error please contact the network operator or hardware engineer

    Comment by Amit — November 3, 2008 @ 1:45 pm

  10. That’s because you’ve flashed the FS with an incorrect binary file, if you made a backup copy of yours before flashing it, restore it, if not, look for a FS image for your phone, country and company, i’d say your FS is missing the certificates to connect to your company’s network.

    I recommended in this post not to flash the FS because you can have big problems, I had the problem you’re talking about, I was lucky because I made a copy of my original FS before flashing it so I restored the files, flashed the MAIN image and the phone started working again.

    Comment by guilleml — November 3, 2008 @ 3:15 pm

  11. yes i agree to what you are saying because i used to flash my main but it didnt give me any problem but the problem came when i flashed my fs. Hmm well i just updated my phone using SE online update and THE PHONE IS ALIVE.
    hey i saw this link in SE-NSE

    check it out, and if you have any idea how i can apply those vkp patches using any tools please do let me know

    Comment by Amit — November 3, 2008 @ 6:58 pm

  12. hey plz plz anyone help me……. my phone is dead after patching my phone (k750i@w800i ) so . plz help me … my phone is not turn on……but plz my e-mail address is plz mail me to solve my problem plz how to restore my previous patch…

    Comment by Rajat — July 12, 2009 @ 7:57 am

  13. Hey XS++ Doesn’t just get my phone , i have k750i … Please help

    Comment by Anuj — May 5, 2011 @ 10:11 am

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