Droid X custom bootloader logos to replace Motorola logo

Discussion in 'Droid Labs' started by MotoCache1, Sep 28, 2010.

  1. Shibbey

    Shibbey Member

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    Thanks. I have a test I want to run tonight after work, provided MC1 doesn't beat me to it. I am curious to see about the checksum calculation. I solved the D1 16 bit checksum mystery and I am curious to see it the DX uses teh same calculation. This will solve all the flashing to see what the checksum SHOULD be issue.

    Plus if I get it figured out, I can make boot logos for the DX without a device to test flash them.
     
  2. Skeemask

    Skeemask Member

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    Until you get the checksum calc program up and running, let me know if you have anything you need tested. My phone so far has taken everything I've thrown at it and if all else fails, I have another upgrade left on my Verizon account to replace it if it bricks.

    :p
     
  3. Skeemask

    Skeemask Member

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    So started playing some more. The checksum is at 033E and 033F.

    Other than the checksum error, flashing boot images is cake. The Perl script that MC1 posted works like a champ and the top left corner's pixel color still changes the rest of the background color. I took your Droid-tits picture and used it as a guinea pig to test that one out. Let me know if you want me to try anything out for you.
     
  4. Shibbey

    Shibbey Member

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    I get off work in about 5 hrs and can play around with it some. my ultimate goal, well 2 goals are:

    1. Create a program that spits out a flahable sbf just from selecting the BMP you want as you boot logo.

    2. Snother program that spits out a SBF with corrected checksum when you select a SBF with a bad checksum.

    Originally was only going to do this for the D1, but should not be hard to do for any SBF's that calculate the checksum using the same method. So can incorporate the DX into it provided Motorola did not change the checksum calculation method.
    Sent from my Droid using Tapatalk
     
  5. Shibbey

    Shibbey Member

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    My quick test

    The SBF 16 bit checksum for the DX and the D1 are calculated using the same method, so once I get this program out of beta to a releasable version, it should be easily adapted to be used for DX or the D1... Now I am curious about the D2.. LOL.

    One thing at a time. :icon_eek:
     
  6. blkblt412

    blkblt412 New Member

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    Awesome stuff guys, I was able to get this working as well following the directions from Skeemask plus Shibbey's checksum calculator.
     
  7. Skeemask

    Skeemask Member

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    Glad I could do some little part to help.

    And thanks Shibbey for the calc! Awesome work man
     
  8. Skeemask

    Skeemask Member

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    Looks like TBH added a boot logo replacer to their app. Coolness
     
  9. Shibbey

    Shibbey Member

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    Having a brain fart... TBH??
    Also, I have a working program for generating a flashable SBF from a BMP working for the D1. Jlutz and Jharmon are testing it for me. I plan to add the DX to the program this week. Would you care to test it out for me since I lack a DX to test on?


    Sent from my Droid using Tapatalk
     
  10. Skeemask

    Skeemask Member

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    TBH is Team Black Hat.

    And yea, I'd be happy to test it out. Just let me know when it's ready
     
  11. Shibbey

    Shibbey Member

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    Thanks. Appreciate it. I will let you know as soon as it is ready.

    Sent from my Droid using Tapatalk
     
  12. BalistikBill

    BalistikBill Member

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    This thing would not flash. I get the critical errror message when trying to flash it to the Droid X!
     
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