Samsung Dynamic Wallpaper Not Working.

[TanjimBiswas]

Every time I put Dynamic Wallpaper on my phone, I go back to the previous Wallpaper. 

In a word, it is not going on .

Please help me.

What can I do now to fix this? 

Device:A30s

[TARUNVellala]

Restart device or..update if available!!

[TanjimBiswas]

No updates have been received !

[Huryah]

Click on dynamic lock screen settings

[TanjimBiswas]

Not Working !!