If you need to quickly transfer phone numbers from one device to another -exportingthem to the storage on your SIM card is an effective way - however,onlyphone numbers and names will be transferred to a SIM card. Any addresses, email addresses or other information will stay on the device.
You won't be able toadd any details to contacts that are stored on a SIM card, soimportingthem to your device or Google/Samsung accounts will allow you to add photos, email addresses and other information to each contact.
The step-by-step guides in the dropdowns below are organised by operating system.