Alex, yes, most give partial success but screen driver not 100% compatible. In fact these are mainly 9.0.48 versions not as listed 9.0.50.
My chip is a AK1022 which I believe is a rip off of an ACU7515 or ACT2097_S75. It's the 2" 220 x 176 screen which I have which seems to be the problem. I can get "partially blind" functionality with a number of firmware files. Lolita has suggested the Uxcell firmware/screen driver, but I've tried the ones from Uxcell site (no good) & I've no idea how to extract the Uxcell screen drivers & put into one of the partially successful firmwares.
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