If an error occurred during activation try checking your internet connection because you can’t sign in using your Apple ID for iMessage without internet connection turned on.
Watch video How To Fix iMessage Activation Error on iphone iOS | An error occurred during activation try again online without registration, duration hours minute second in high quality. This video was added by user Augtinx Media 07 December 2023, don't forget to share it with your friends and acquaintances, it has been viewed on our site 1,329 once and liked it 2 people.