OCflash Downgrade OPCOM firmware if was upgraded from 2011 2012 official software

**enteran** · 23rd November, 2020, 06:39 PM

https://yadi.sk/d/OqSDNrhL1MY0Kw
2018

**bors68** · 25th December, 2020, 04:59 PM

Nem tudom letolteni

**ashmatters** · 26th December, 2020, 02:05 PM

thankyou will download once alloud

car

**MarkusP90** · 31st December, 2020, 11:33 PM

Originally Posted by manocao

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

**Tom11** · 19th February, 2021, 12:57 PM

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)

**Mario6** · 19th February, 2021, 11:24 PM

Originally Posted by Tom11

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.

**Tom11** · 22nd February, 2021, 07:29 PM

Originally Posted by Mario6

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.