I have a 55" 2021 and a 75" 2022 Frame TVs. Both handled by the same iPhone and same SmartThings app. The 2021 TV i can upload photos and create collage but the 2022 i can not upload photos nor creating collage. And even though it is the same app it is different menus on the different TVs. This is the behaviour:
1. Upload more than 1 photo always give me "upload failed" and no photos where uploaded.
2. Upload only 1 photo always give me "upload failed" but it is uploaded. If i do it again the new one replaces the existing.
3. If i in the SmartThings app go to Art mode and scroll down to "My album" and click it i always after loading a while "System error, please try again later".
If someone from Samsung reads this a New Feature Request would be to upload the photos to the app and then from the app choose on what TVs the photos should be on. Not do it on a per TV basis and different depending on model.