I had to do this last year. Three calls to Apple Support... in the end I just wiped the phone and started over. The first time in 10 years. I was burning throug

I had to do this last year. Three calls to Apple Support... in the end I just wiped the phone and started over. The first time in 10 years. I was burning through my entire quota in 20 days and then racking up $10 per Gb over the quota with Optus. Very frustrating.