When you insert a SIM card into your phone and the contacts don't appear, you need to perform a few steps to transfer contacts from SIM to the phone.
To copy contacts from SIM to phone on Sony Xperia M5 Single Sim, follow these steps:
Step 1. On the Menu screen, select Contacts.

Step 2. Tap on the Options icon.

Step 3. Select Import Contacts.

Step 4. Choose to import from SIM.

Step 5. Transfer contacts to Local storage.

Step 6. Select Import All.

So, that's how I guided you through copying contacts from SIM to phone on Sony Xperia M5 Single Sim. Wishing you more useful information and success!
