Why do iPhone messages have different color backgrounds?

In fact, the answer is simple: the blue background content is the message sent or received by users through Apple's iMessage service, and the green background content is the traditional short message received or sent by SMS.

Does it matter? On the information level, do you want to care whether your information is blue or green? The answer varies from person to person and from situation to situation.

First, let's make sure that every iPhone user can become an insider. Standard SMS messages are sent and transmitted through the same language network as when making a phone call. In previous years, operators charged according to the number of short messages (for example, a short message 10 cent). Later, the operator bundled a certain number of short messages in the user's phone bill package, that is, as long as the number of short messages sent by the user does not exceed the specified number, there is no charge. At present, most telephone packages offer unlimited SMS service.

During this period, Apple launched the iMessage service, which is similar to the standard SMS service, but the former relies on the data network (cellular or WiFi). Apple's iMessage service provides users with two major benefits: first, you don't have to pay the SMS fee to the operator; Secondly, users can experience more SMS functions.

In fact, Apple iMessage allows users to do things that standard SMS can't do, such as sharing geographical location, sending intercom language messages, checking the status of message sending, and even checking whether the other party is returning messages to you.

However, Apple's service has a flaw: iMessage service can only be used between iOS devices. If you own an iPhone, and then use the Messages application software to send short messages to Android, BlackBerry or WP users, the iOS system will default that the other party has no iMessage application, and then convert the information into SMS mode. At this point, the information is still displayed on the green background instead of the blue background.

However, even if you send a message to another iPhone, the background color is still green if the following three situations occur:

1) The iMessage service is not activated on your iPhone. You can click "Settings"-"Information" and see if this function is turned on. If enabled, you can also activate "Send by SMS", so that when iMessage is not used, the information will be sent by SMS, but you may have to pay the SMS fee of the operator. It should also be noted that when you activate the iMessage service, you need to log in with an Apple ID.

2)iMessage is not activated on the other device;

3) The current data network is unavailable. However, if your phone can connect to the language tower, it will default to SMS mode.

So, when should I choose iMessage or SMS mode?

Although short messages are small, picture messages consume a lot of data. If your phone plans to provide unlimited SMS, but the data traffic is limited, you'd better turn off iMessage and enable SMS. On the other hand, if you are texting with other iPhone users, but all you see is green background information, you should ask them to activate the iMessage service on their phones, so that you can experience many functions that iMessage brings you.

Generally speaking, you decide whether to enable SMS or iMessage to send SMS according to the package you and the other party use. Now, do you know why the color background of text messages sent by the same iPhone6 is different?