Comment by lucb1e

> All I wanted/needed was to make important calls.

Can I recommend you a 40€ phone? They've been making models that can do calls for a while now and they needn't cost as much as an Apple-branded device to do just that

> they would drop calls and freeze on the dial pad during long calls

Never heard that happen to anyone with any phone model. If you've ruled out some software-specific issue like a call recorder you've installed or so, that sounds borderline implausible. Then again, given the number of issues I experience with software (of any kind)...