Why some iMessage texts are blue and some are green – CNET

If you own an iPhone, you may have noticed something odd in the Messages app: Some messages are blue and some are green. What’s the deal with that?

Short answer: Blue ones have been sent or received using Apple’s iMessage technology, while green ones are “traditional” text messages exchanged via Short Messaging Service, or SMS.

Does this matter? In the grand texting scheme of things, should you care whether your messages are blue or green?

The color question

Maybe yes, maybe no. Let’s start by making sure you have all the necessary information. A standard SMS text message is delivered over the same voice networks used for phone calls. Back in the bad old days, carriers…

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