How to Set Up iMessage on iPhone and iPad Troy Frommer02/04/2013 iMessage has changed the way that many people communicate with their family and friends on a daily basis. With iMessage being available on any device, it makes it even more convenient to use. Since iMessage is synced with a user’s iCloud account, the messages that are sent to any device can be replied to and viewed on an iPhone, iPad or Mac.Advertisement Read: How to setup iMessage for Mac. In a few easy steps iMessage can be set up on both the iPhone and iPad. Follow these setup instructions below to start syncing your iMessages across all of your devices. Although it doesn’t necessarily matter which device you set up first, if you have both an iPhone and iPad it is easiest to setup the iPhone first.Advertisement How to set up iMessages for the iPhone. Tap Settings.Advertisement Scroll down and select Messages. Move the slider that is to the right of iMessage to the ON position.Advertisement iMessage will then begin activating with iCloud. Once iMessage has activated scroll down and select Send and Receive. Advertisement On the next screen user will see their phone number and also the email address that they use with their Apple ID. Advertisement By default the user will be reached both by their phone number and email address with new iMessages. Also, new conversations will be started from a users phone number and this can be changed to the email address if the user wishes. How to set up iMessage for the iPad. Tap Settings. Scroll down and select Messages. Move the slider next to iMessage to the ON position. iMessage will then begin to activate with iCloud. When iMessage is finished activating, scroll down and select Send and Receive. With Send and Receive selected the user will see their phone number and email address used with their Apple ID on the next page. As long as the email address and phone number are checked in the same order as they are on the iPhone, the user has correctly set up iMessage on the iPad.