All iMessages are encrypted and can be tracked using delivery receipts. With the launch of iOS 10 , users can send messages accompanied by a range of "bubble" or "screen" effects.

How to Fix iMessage & FaceTime Activation Errors in iOS

Every connection has its own unique code, which acts as an identifier for the route that should be used to send a message to a specific device. The connection is encrypted with TLS using a client-side certificate, that is requested by the device on the activation of iMessage. On November 12, , Chetan Sharma, a technology and strategy consulting firm, published the US Mobile Data Market Update Q3 , noting the decline of text messaging in the United States, and suggested the decline may be attributed to Americans using alternative free messaging services such as iMessage.

In , Google announced they would compete with iMessage with their own messaging service, Android Messaging.

It received points for having communications encrypted in transit, having communications encrypted with keys the provider doesn't have access to end-to-end encryption , having past communications secure if the keys are stolen forward secrecy , having their security designs well-documented, and having a recent independent security audit. It missed points because users can not verify contacts' identities and because the source code is not open to independent review. The post also noted that iMessage uses RSA key exchange.

This means that, as opposed to what EFF's scorecard claims, iMessage does not feature forward secrecy.

From Wikipedia, the free encyclopedia. This article's lead section does not adequately summarize key points of its contents.

Please consider expanding the lead to provide an accessible overview of all important aspects of the article. Please discuss this issue on the article's talk page. April A thread of conversation and media in the Messages application on iOS 8. Archived from the original on March 8, Retrieved October 10, Made for the Mac".

Retrieved February 18, Boy Genius Report. Retrieved February 17, Business Insider. Retrieved December 20, Retrieved June 14, Currently, you cannot do that. Green messages appear if you have sent a text message and blue messages appear if you have sent an iMessage. Yes No.

Not Helpful 0 Helpful 0. Include your email address to get a message when this question is answered. Already answered Not a question Bad question Other. Edit Related wikiHows. Shared with permission. Is this article up to date? Can you please put wikiHow on the whitelist for your ad blocker? At times, the simple trick of switching off and restarting your iPhone will help to resolve a lot of issues.

Go ahead and switch off your iPhone, by holding the Power button for 30 seconds or more. Wait for a minute or two. Then, restart your device and try to send an iMessage to one of your contacts. Still, if iMessage is not working, then you can try out the other options listed below. Are you sure you have configured the iMessage settings correctly? If not, follow the below steps to setup iMessage properly on your iPhone.

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• Fix: Waiting for activation?

Otherwise, iMessage will not work properly. Also Read: How to know my iMessage is free or not.

Part 1: Possible Reasons for iMessage Issues after iOS 11/12 Update.

If iMessage is not working properly, then try to put your device in Airplane mode so that Wi-Fi and other networks will be disabled. After seconds, put your iPhone in normal mode and try to send an iMessage. Then, turn off iMessage and sign out of your iCloud account. After seconds, log in back to your Apple ID and turn on iMessage. Then, tap Sign Out to log out of your iCloud account. After a few seconds, tap Settings and log in back using the same Apple ID.

Next, turn on iMessage from Settings. Even though iMessage was originally introduced in iOS 5, Apple regularly adds improvements to the messaging feature.

• Fix iMessage and FaceTime Activation Errors with iOS 10, iOS 9, iOS 8.
• Fix iMessage Waiting for Activation in iOS 7: Don’t Break Your Head.
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• Unable to Sign-in to iMessage and FaceTime On iPhone.
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• Unable to Sign-in to iMessage and FaceTime On iPhone?

In general, every new iOS software release will not only include the new features but also the bug fixes for the old features. If you have already enabled automatic updates on your device, then the latest software will be installed automatically on your iPhone.