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:
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20th November, 2012, 05:08 PM #1DK Veteran
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OCflash Downgrade OPCOM firmware if was upgraded from 2011 2012 official software
Last edited by manocao; 1st April, 2015 at 11:44 AM.
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21st November, 2012, 11:30 AM #2Member
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hello mr.manocao
you are big, best wizard
which version op com you have for diagnostic
can you post it here
cheers
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21st November, 2012, 12:20 PM #3DK Veteran
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i still use 100219a (08/2010)
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9th July, 2017, 10:14 AM #4Newbie
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Very usefull information..
I have version 1.45 I want to downgrade, do you know where i can find firmware 1.39 ?
Thanks in advance
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15th November, 2017, 10:35 AM #5Newbie
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I have version 1.70 and I want to downgrade to 1.39. Is that possible?
Thank you
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24th December, 2017, 06:45 PM #6Newbie
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please tell here if you can do that
Originally Posted by apapas
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25th December, 2017, 11:02 AM #7DK Veteran
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why don't you just download and try!!
ocflash will downgrade 1.xx to 1.39 (included firmware) except if interface's pic was erased__________________
China: OPEL Tech2 non-CAN multiplexer USB, OP-COM USB, OBDII Elm327 USB, VAG-COM 409.1/VCDS Lite 1.0 KKL USB
Homemade: UNISCAN Visa 1.83 RS-232, Renault XR25PC USB, BMW KKL USB, Nissan Consult1 USB
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Hi all,
I have this fw v1.64, enjoy....
Regards, G
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4th January, 2018, 05:11 PM #9Member
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Thanks for the software, successfully downgraded but now not sure if the 1.39 will work well with VauxCom 120309a. Was having firmware v1.41 and it's failing to program new ecu for Astra H and had advise to downgrade.
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21st January, 2018, 02:36 PM #10Newbie
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[QUOTE=manocao;1773636]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:[/QUOTE HI i cant seem to download this file as it take me to log in page which i am already loggod on to . can you please tell me how to download it thank you
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5th February, 2018, 10:38 AM #11Member
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Hi all
Anyone with firmware 1,78 for op-com, i currently have that one on my system,
but i want to downgrade to 1,39 since ill be working on a Corsa c and i want to upgrade
when i'm done.
Thanks in advance.
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21st February, 2018, 06:22 PM #12Newbie
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Does anyone know why I can not download the first file?
I can the FW164.rar, so?
Can someone upload the firmware v1.59 or lower?
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25th February, 2018, 08:42 PM #13Newbie
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DouglasKoena
I think yours OPCOM v1.78 like mine is totally fake. chip_b1.jpgLast edited by zemaitis; 25th February, 2018 at 08:48 PM. Reason: mistake
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22nd August, 2018, 09:49 PM #14Newbie
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OP-COM FW
Hi
Here FW 1.33; 1.39; 1.41; 1.43; 1.44; 1.45; 1.59
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25th September, 2018, 08:31 PM #15Newbie
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Thank you for those useful information.
Rucan, I cannot download the attached file "Firmwarefiles.rar" (I can only download OCFlash on the first message), could you provide a download link please ?
Thank you by advance.
Last edited by mcquack; 25th September, 2018 at 09:40 PM.
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