Q Light Controller+

Hi, QLC+ Board people!
I've been having trouble getting 'qlcplus_raspbian_wheezy_20151018.img' to work on my Raspberry Pi 3 B+.
It always goes to a rainbow screen on boot.

I've tried the following and nothing seems to work:
- Downloaded & reinstalled image again
- Flashed image with Balena Etcher
- Flashed image with Pi Baker
- New SD Card
- Different Power
- Different Raspberry Pi 3 B+
- Added boot_delay

Different software images work fine, like Raspbian/RocketShow etc.
Is there something stupid I'm missing here?
Any help would be greatly appreciated.
Thanks,
Matt.

Is there something stupid I'm missing here?

You're 4 years behind the latest release!
If you donated in 2015, then you should have received all the emails of the images released (something like 8..)
Latest release is 20190825

Ahhh... That's what I've done. My files were mixed up. I moved the wrong file on my hard disk to a different user account & somehow I didn't see that the image was 2015. Rushing to get it working. I will try with the 2019 image, instead of being an idiot!
Sorry for the stupid question.
Matt.