In manage my account I have deleted a device as I was going to sell it but now I am going to give it to my 10 year old daughter as her first phone and I can't see how I add the device back on. Apple support said click view details if you can't see you device - but I can see a view details button on my account.
On the phone, try signing out of Settings/Your Name/iCloud and then sign back in.
Add a device to the list
After you sign in on a device with your Apple ID, that device appears in the list. Here's where you need to sign in:
On the phone, try signing out of Settings/Your Name/iCloud and then sign back in.
Add a device to the list
After you sign in on a device with your Apple ID, that device appears in the list. Here's where you need to sign in:
I cannot see a view details button on my account next to devices
Adding device to account
