Why can't I use my mobile as a phone anymore (only SMS and Data work, and I don't need much of that)? I’ve been going round in circles for months trying to get my iD Mobile number fixed. I’ve never been able to get a strong mobile signal indoors (thick walls). However, I’m now certain that my Android phone (moto g(6), Model Number (SKU): XT1925-5) which used to work (and has my contacts list on it) is now unable to connect to iD at all, even outside. I also know that phone isn’t on iD’s list of supported models, so I’ve borrowed a device (Google Pixel 3a) that is supported from my father (it still has his contacts, apps etc. on it (not mine)). When I put my iD Mobile SIM in the borrowed Google phone:I can send and receive SMS messages (when outside) I can use 4G Mobile Data (when outside) I’m unable to make or receive calls anywhere, signal or no signal WiFi Calling option doesn’t appear in the SIM Settings for the iD SIM* 4G Calling option doesn’t appear in the SIM Settings for the iD SIM** if I borrow an EE SIM and put it into the borrowed Google phone, the missing options (see items