Q: The iPhone could not be activated because an unknown error occurred (0xE800002D). please try again later

Hello msobh2,

Welcome to the Apple Support Communities!

I understand that you are receiving an error while trying to activate your iPhone. To begin troubleshooting this situation, I would recommend reading over and working through the suggested steps in the attached article below. 

Get help activating your iPhone - Apple Support

Have a great day,

Joe