Linux:

17+ years

I think I remember you... J... :O

A reply from Spark:

"Hi there - I've added 5G to your SIM profile - as we don't directly support that type of device it wasnt added automatically (there are cases where unsupported device misbehave leading to a poor experience).

Reading through the thread - it's worth noting coverage 5G coverage in Petone is increasing as we upgrade sites 5G service will depend on where you are - basically towards Alicetown and then towards seaview are done - but not central petone yet.

let us know how you get on with your device  regards, Gajan"

So, naughty call centre indeed?!