iMessage and SMS: why are iPhone messages blue or green?


Many iPhone owners regularly face the problem of separating the types of text messages in the standard iOS messenger, the Messages application. The iOS developers tried to make the application as convenient as possible by combining SMS / MMS and iMessage correspondence in one application, but as a result, they confused inexperienced users even more.

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So, in the basic mode, the Messages application on the iPhone works the same as in any other phone, with its help you can send, receive, store and sort text SMS and multimedia MMS messages, sending which costs the user an amount corresponding to the operator’s tariff.

After activating the iMessage service (instructions) from Apple, it becomes possible to communicate with other owners of apple devices (iPhone, iPad and Mac computers) absolutely free in the same application. By the way, when you first connect to the service, a message appears stating that the operator may charge for SMS used to activate iMessage – this warning can be safely ignored – iMessage service is completely free… However, it is important to understand that in order to send a message via iMessage, the devices of both interlocutors must be connected to the Internet, otherwise a regular SMS will be sent (if the checkbox is checked in the settings of the Messages application Send as SMS).

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Why are iPhone messages and contacts blue and green?

It’s simple if, when choosing a subscriber in the Messages application, his phone number, E-mail, or full name are written in blue, then the user is a user of Apple devices with activated iMessage service, therefore all messages between you and this subscriber will be free (via the Internet).

iMessage and SMS, or why iPhone messages are blue and green

If the number is highlighted in green – it means that either the user has not turned on iMessage on his device (on this number), or does not own Apple technology at all. Green color means that an ordinary paid SMS message will be sent to the user.

iMessage and SMS, or why iPhone messages are blue and green

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How do you determine which subscriber you can send a free iMessage to?

We proceed to create a new message and begin to enter a name or phone number, and in the list of contacts displayed below, we notice that some names are highlighted in green, and others in blue. Again, the former can only send an SMS message, while the latter are also available for chatting in iMessage.

However, there is an important nuance here. For more than five years of the service’s existence, Apple developers have not brought to mind the procedure for activating iMessage, and some users are still experiencing problems with binding the service of receiving and sending messages to the desired phone number. For example, after changing the SIM card, it is often difficult to get iMessage to combine the old Apple ID with the new number and receive free messages on it. In this case, the send / receive service is usually automatically associated with an email address, which is also the Apple ID login.

To specify which ID (s) should iMessage use, go to SettingsPostsSending / receiving and tick the necessary addresses. If your phone number is inactive, you can try logging out of your Apple ID account, restarting your iPhone, and logging in again.

iMessage and SMS, or why iPhone messages are blue and green

iMessage and SMS, or why iPhone messages are blue and green

In the process of a new activation, the system will offer to re-specify the addresses of receiving / sending messages, however, this method does not always work and the reason may be the operator’s settings.

If the activation of the phone number fails, then other users will see the possibility of sending you iMessage messages only if, in addition to the phone number, your E-mail is recorded in their contact list, which serves as the address for receiving / sending messages.

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What happens if I send an iMessage and the user is offline?

For such cases, a switch is provided in the settings of the Messages application. “Send as SMS”… If you activate it, then when sending an iMessage message, the user will receive an ordinary paid SMS message. Otherwise, the iMessage will only arrive when the user is online.

iMessage and SMS, or why iPhone messages are blue and green

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