You have to go step by step to rule out what does not work

delete save and stop aplication

Add to your sys and use this multmode to see how



sys.txt

[rawdisplay]
driver="engine"
force_renderer="RENDER_MOYA"
;screen_xy="auto"
;highres=0
screen_x=976
screen_y=547
screen_x2=600
screen_y2=943 <<<< where is Y2 in your sys V1. Put it


multimode.ini

[modes]
; mx=WidthMin..WidthMax, HeightMin..HeightMax,Folder
; OR
; mx=Width, Height ,Folder

;in this huawei tablet, the embedded buttons are down vertically and to the right horizontally (Observer the bottom point in screen size it is loading without status bar)

;m3 Width 976_547
;m4 Height 600_943

m3=900..1050,450..620,"800_480"
m4=550..620,850..1050,"800_480"


regards