iPhone Life - Best Apps, Top Tips, Great Gear

If you’re ditching your iPhone, whether permanently or temporarily, you’re going to need to deactivate iMessage. This is due to an issue Apple had to solve a while ago, wherein users who switched to an Android, or other non-iPhone smartphone, were missing texts from friends who were sending iMessages. If you still have the iPhone that you need to disable iMessage on, the process is super quick and easy. Likewise, there’s a simple solution even if you’ve already sold or given your old iPhone away. If you switched from an iPhone to another iPhone, this shouldn’t be an issue for you. But if you’re switching (or planning to switch) to an Android device, use this tip to deregister your iPhone from iMessage before or after you’ve gotten your new smartphone. Here’s how to deactivate and deregister iMessage on iPhone.

In most western countries, the Calendar app on the iPhone or iPad has Sunday set as the first day of the week. But considering the work week tends to divide quite distinctly into weekdays and the weekend, with most of our appointments and business meetings taking place Monday through Friday, you may prefer to set Monday as the first day of the week. Or if you have an unusual schedule, you could set any day of the week you prefer to be the first day of your personalized week. Here's how to change what day your week starts in the Calendar app on iPhone.