Looks like an easy fix for a professional luthier. Depending on the price, you can choose if it is worth it, or if you can get another, better guitar instead.
The pixel 7 and 8 I use never have those problems. I suspect the culprit is your network signal, not your phone. Do you have a reliable provider and are you in a location where the signal travels well?
The fact that diamonds are on this list shows the insane power of relentless marketing combined with a monopoly to artificially jack up the price of something that would be almost worthless otherwise.
Check out the YouTube channel Camping with Steve. Each episode is an overnight camping trip in various settings, either in the wilderness, or abandoned places, even stealth camping in a roundabout once. The guy has a good energy about him and you'll get a ton of tips on the practical side of camping.
"If our knees bent the other way, what would our chairs look like?"