new ID Mobile sim only partially working on phone (Sony Xperia 1 II) Hi, I've recently helped my father to sign up to a sim only 1 month contract package to ID mobile, but his phone (Sony Xperia 1 II, 2020 model, on Android 10) is having problems with the sim card, it's only partially working. My father is elderly and not very good with technology so anything technical or advanced then I have to help to setup/solve for him, so I'm helping him to setup this new ID Mobile sim in his phone.When the sim card was first inserted into the phone on Thursday, there was no signal (zero bars), and said Emergency calls only, then after a few minutes, it finally found the signal, full bars, then it says LTE+ (at our home address unfortunately there is no 5G). Then I tested to see whether it can make calls or received calls, and also whether it can send or received sms text messages, but unfortunately both functions are NOT working. When I tried to make a phone call, there is no dialling tone, just silence for about 10-15 seconds, then it just says "