My firmware system version remained at C04, did yours update?I also have the split screen issue after updating firmware. Tested direct connection to multiple devices and multiple cables and still getting split screen. Goes away when video mode changes (switch to HDR for example), bit still annoying. OPTOMA PM DUDE is checking with engineers and hopefully will get back to me soon.
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In mine only the ddp4422 version went up to C05. On step 2 with the usb pen update, the pdf says we should get a solid red power led when the update finishes, but i got a solid purple power led with red flashing lamp and temp leds... did ou get the same?