How to set the name of iphone?

First, you enter the settings options of iPhone.

Then select the general option.

Then go to "About this phone" and select the first phone name.

Then you can change the phone name you want.

End of ITunes

Connect the iPhone first, and then open iTunes.

Click the device button in the upper right corner. If the iTunesStore is displayed, you need to click the Library button in the upper right corner first. If you don't see the iPhone option, choose the hidden sidebar in the Show menu, and then double-click the device name next to the device picture.

Type the new name of the device, and then press Enter to confirm the modification.

Then your iPhone name changed.