Hello and sorry for your loss. The is an application for macOS called iMazing which allows you to make archives of your messages (and has a lot of other functionality). It’s a paid app with pricing ranging from one device to multiple. Hope it helps. Https://imazing.com/backup-iphone-ipad. Source: 12 months ago

iMazing can create backups of iPhone.. Unknown if it needs input on iPhone to verify trust as I has been a while for me since using it for backup iOS.. Source: about 1 year ago

I haven't gotten this far yet, but, was going to look into https://imazing.com/backup-iphone-ipad. Still setting up other things first. Source: almost 2 years ago

I believe iCloud is for backing up and syncing iDevices. He (your friend/family?) can configure what is, or is not, backed up to iCloud. He could, for example, remove photos from being backed up if he would prefer to reduce the amount of space needed. I would recommend against him replacing iCloud completely because it also is essential for restoring an iDevice that has been lost or stolen. The only other... Source: almost 2 years ago

Imazing https://imazing.com/backup-iphone-ipad works great to backup iPhones and iPads even when they are just connected to the network imazing can back them up (and send it to a NAS for storage). Source: about 2 years ago

Check this site, has a lot of themes to choose from (and install using plugin) https://rainglow.io/. Source: almost 3 years ago

Looks like they have themes for other editors too. Source: about 3 years ago