OCflash Downgrade OPCOM firmware if was upgraded from 2011 2012 official software - Page 4
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  1. #46
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  2. #47
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    Nem tudom letolteni

  3. #48
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    thankyou will download once alloud car

  4. #49
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    Quote Originally Posted by manocao View Post
    i found a program that is supposed to be able to downgrade opcom firmware to 1.39 EVEN if it was upgraded to 1.41 or 1.43 or 1.44 or 1.45 by means of 2011 2012 official opcom software

    no matter if you started some 2011 2012 official opcom version with interface plugged in computer, which would have upgraded to 1.43 or 1.44 but disabling bootloader

    2011 and 2012 official software versions of opcom dont erase pic of interface but disable bootloader

    ocflash doesnt work if you started some 2010 version with interface plugged in computer, which erased your interface's pic

    howto:

    1. connect opcom interface through usb only
    2. run ocflash
    3. click on "request interface" to check actual version programmed on interface
    4. if programmed version is 1.44 or 1.45 click "load firmware" and select fw139.hex from "Firmwarefiles" folder
    5. click "change"
    6. select "automatic mode" and click "flash"

    DOWNLOAD:
    Thanks for Files and Info

  5. #50
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    Hello, colud someone share with me firmware 1.70 bootloader hex? I need to try change firmware to ver. 1.45 and back to 1.70
    I can not download ver. 1.70 because I do not have permission (probably yet)

  6. #51
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    Quote Originally Posted by Tom11 View Post
    Hello, colud someone share with me firmware 1.70 bootloader hex? I need to try change firmware to ver. 1.45 and back to 1.70
    I can not download ver. 1.70 because I do not have permission (probably yet)
    Here you go.

    You can do it if you have opcom china clone with real PIC 18F458. (however, you should know that the latest firmware is 1.67 for Opcom 181022a and 200603aEn) FW 1.7 is a Chinese marketing trick. If you have a fake PIC then when you change FW you will kill your cable. Your cable will work on the table but not connected to the car.
    Attached Files Attached Files
    Last edited by Mario6; 19th February, 2021 at 11:29 PM.

  7. The Following User Says Thank You to Mario6 For This Useful Post:

    Tom11 (22nd February, 2021)

  8. #52
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    Quote Originally Posted by Mario6 View Post
    Here you go.

    You can do it if you have opcom china clone with real PIC 18F458. (however, you should know that the latest firmware is 1.67 for Opcom 181022a and 200603aEn) FW 1.7 is a Chinese marketing trick. If you have a fake PIC then when you change FW you will kill your cable. Your cable will work on the table but not connected to the car.

    Mario6,

    Thank you very much for support.

  9. The Following User Says Thank You to Tom11 For This Useful Post:

    Mario6 (22nd February, 2021)

  10. #53
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    Hello I flash my opcom but can't get serial and version anymore

  11. #54
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    Quote Originally Posted by ttthomas View Post
    Hello I flash my opcom but can't get serial and version anymore
    Firmware can be changed down or up if your Opcom has a real PIC 18F458. If the PIC is false you will kill the cable.

 

 
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