iOS 12.3 update for data transfer
I have 1st gen se with 12.3 iOS and need to update to 12.4 iOS to transfer data to new 2nd gen se. can anyone help?
iPhone 4s, 9
You need to update your SE 1st generation to the latest iOS 14.7.1 using computer iTunes
After that do the same with your SE 2nd generation.
FYI: iOS 12.4 is not available anymore
After both iOS is updated, start here => Transfer data from your previous iOS device to your new iPhone, iPad, or iPod touch - Apple Support