I used a 3GS when I had a 5s as a landline phone (voip)

It’s easy. Natural titanium. We’ve had black and shades of blue before on iPhone, I’d go with something new

None on 15 Pro. And it looks like in the first day.

I have an otterbox case I bought at the same time with the phone but I can’t use it after nearly 2 months naked.

15 Pro 512

100% Capacity

65 cycles

You can use one of those data eSIM: AirAlo for one time usage. Three Hong Kong for a HK number and cheap data roaming, valid indefinitely (a year if you don’t use it).