Yous may have noticed that some messages in iPhone’s Message app are greenish, while some are bluish. What do those colors mean and does information technology even matter?

Messages with green bubbles are normal SMS text letters. Message with blueish bubbles are sent via the iMessage instant messaging protocol—a messaging platform specific to Apple devices. If you lot’re communicating betwixt two Apple devices with iMessage enabled, yous’ll see blue messages. If you’re communicating with whatever device that doesn’t use iMessage—like an Android phone, or an iPhone that doesn’t have iMessage turned on—you’ll see light-green messages.

What Are the Advantages of Using iMessage?

In that location are several advantages to using iMessage. The biggest is that iMessage relies strictly on cellular data—or Wi-Fi—and non on SMS fee schedules that may be imposed by your carrier plan. This can save you from incurring whatever extra SMS/MMS fees. If you accept a programme with unlimited texting, this won’t be a big deal to you, only it was a large deal dorsum in 2011, when iMessage was introduced.

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However, that’due south not the but advantage. By using data instead of SMS, iMessage has a lot more features than basic text messaging. For example, iMessage supports commitment status indicators. Underneath your letters, you can come across text indicating when the messages was delivered or read. You lot’ll also see a bulletin bubble with an active ellipse when someone is typing a new message to you lot. These features rely on the fact that your data connectedness is always on.

iMessage besides sports some great extra features if you lot’re running iOS ten or newer. It at present boasts a whole ecosystem of apps designed for the messaging experience. Yous can do silly stuff like slap stickers on conversations or more than applied things like sending a quick weather condition written report, sending money, or sharing details about a dinner reservation. iOS 10 also added a lot of fun visual effects to iMessage. You tin add together fun backgrounds, bulletin that movement in different means, and even hand-drawn text.

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In addition, iMessage allows you to ship large files easily. Virtually cellular providers restrict MMS file size to only a few MB, merely iMessage supports files upwards to 100 MB. That’south a big stride up from getting your MMS bulletin rejected because it’s 3.one instead of 3 MB.

iMessage also has good support for group chat, though it can get a fleck flaky when non-iOS users are added to the group.

In brusk, unless you have some pressing concern, in that location’south really no reason to not use iMessage when you can. It works well when you lot’re on a data network, falls back to SMS when your data network is unavailable (and you’re not on Wi-Fi), and works just fine with plainly sometime SMS/MMS when you lot’re messaging someone who doesn’t have an Apple Device.

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What If I Don’t Encounter Any Blue Messages at All?

If you’re using an Apple device and communicating with someone that also uses an Apple device, simply you lot still don’t encounter letters in blue, information technology likely ways that ane of y’all doesn’t have iMessage turned on. To actuate it, navigate to Settings > Messages.

At that place are 2 relevant toggles on the Letters screen—both of which are turned on by default on new devices. Use the “iMessage” to turn iMessaging on and of. Employ the “Transport as SMS” toggle to specify whether the Messages app should automatically send messages via SMS when iMessage isn’t available.