Amazfit Watch faces

Working as expected)) maybe your not drag and drop but using some king of TotalComander?
Check logs

Debug|Encoding resource 5...
Trace|Writing image in Raw mode
Trace|Transparency image...
Trace|Writing image header...
Trace|Width: 20, Height: 44, RowLength: 80
Trace|BPP: 32, PaletteColors: 0 ...

Check logs, it's writing which node its using for each image... And how did you know that it's not working 😅 BTW 1.3.9 have no changes in this functionality, so it work the same.

Is logs is not OK and there is no raw mode, upload all resource file with json and raw.cfg) because your doing ...

I think the time of miband will sync when it is connecting with your phone, so maybe it depends on the time on your phone.
Also you can try "Factory Reset" first, then use 'Mi Fit' to sync.

It does work for me really well.
I used it in majority of WFs i have made (for selectevely forcing certain Image IDs to be used as RAW (high quality) which would otherwise wash out details of that image asset.)
yes add image ids seperated be commas (0,10,11,12,13 ... etc) and save it as "raw.cfg ...

'raw.cfg' does it really work?
I have 11 images, At first I've dragged and dropped the '.json' file to the 'PaletteImageMode/WatchFace.exe', it works, all images has been compressed.
Then I created the file named 'raw.cfg', filled all images' ID in it like '0,1,2,3,4,5,6,7,8,9,10' and saved it ...