If your struggling to download an App, or an App is refusing to update, your device may be unsupported by the latest iOS.
With each iOS update Apple releases a full list of devices that are able to download it. If you don’t see your model on the list, and its more than 5-6 years old, it’s likely the iPad is too old.
1
First confirm the iPad model for your device:#
https://support.apple.com/en-us/HT201471
2
Then, check whether your device is supported by the latest iOS: