Hi , Thanks for your referral to the YouTube on the topic it has answered my query as to why we had two phones not connecting in OZ despite working faultlessly in the USA, Hawaii and New Zealand over the last few weeks, nothing worse than turning up...
Hi Brian, just had exactly the same problem with two iPhones with Smarty sims.I now know this is due to the smarty sim being 3G based and the fact that our iPhones are ‘foreign’ despite being 4G compatible.i had a similar problem in the USA in April...