iOS 26 introduced a quirk that breaks iMessage for some users during iPhone setup. If you set up an eSIM after the initial setup process instead of during it, iMessage won't activate automatically, ...

iMessage Not Working on iOS 26? Apple Explains How to Fix It Apple says the issue may stem from having an inactive SIM with the same number as your active SIM. To fix it, remove the inactive SIM and ...

If you have an iPhone, you probably use iMessage as your primary messaging app. This is especially true if you also have other Apple devices, like a Mac and an iPad. Typically, iMessage should work ...