How to change from text message to imessage?

If you want to switch back to iMessage from text, you can do so by following these steps:
Open the Settings app and tap Messages.
Tap the button next to iMessage to turn it on.
If you’re prompted to enter your Apple ID, do so and tap Sign In.
Tap Use your Apple ID for iMessage and then enter your Apple ID password.
Tap OK.

To send an iMessage, open the Messages app and select the contact you want to message. Tap the blue arrow in the top-right corner of the screen and select “iMessage.

To change the color of your Messages, open the Settings app and select “General.” Scroll down and select “Keyboard.” Tap “Text Colors” and choose the color you want.

There are a few reasons why Messages may not send as an iMessage. The first thing to check is whether or not you’re connected to the internet. If you’re not, Messages will default to sending as a text message.
Another possibility is that your phone number isn’t registered with Apple as an iMessage recipient. To fix this, open the Settings app and tap Messages.

There are a few potential reasons why your iPhone might be stuck on text message. One possibility is that you may have a low battery, which can cause the phone to freeze or restart. Another possibility is that you may have a software issue, which can be fixed by restoring your iPhone to its factory settings. Finally, if your phone is physically damaged, you may need to have it repaired or replaced.

The green text bubbles that you see when messaging other iPhone users are part of Apple’s iMessage system. The color is used to indicate that the message is being sent over Apple’s network, as opposed to SMS or MMS.

There are a few reasons why Messages may not send as an iMessage. The first thing to check is whether or not you’re connected to the internet. If you’re not, Messages will default to sending as a text message.
Another possibility is that your phone number isn’t registered with Apple as an iMessage recipient. To fix this, open the Settings app and tap Messages.

There are a few potential reasons why your iPhone might be stuck on text message. One possibility is that you may have a low battery, which can cause the phone to freeze or restart. Another possibility is that you may have a software issue, which can be fixed by restoring your iPhone to its factory settings. Finally, if your phone is physically damaged, you may need to have it repaired or replaced.

The green text bubbles that you see when messaging other iPhone users are part of Apple’s iMessage system. The color is used to indicate that the message is being sent over Apple’s network, as opposed to SMS or MMS.

There are a few possible reasons why your iMessages are sending as texts. One possibility is that you may have inadvertently turned off iMessage in your settings. To check this, open the Settings app and select Messages. Make sure that the iMessage switch is turned on.
Another possibility is that you may not have an active internet connection. To check this, open the Settings app and select Cellular.

The blue text indicates that the text is a standard SMS message, while the green text indicates that the message has been sent using iMessage.

Text messages are blue because that’s the color of the default text font on most phones.

There are a few possible reasons why your iMessages are sending as texts. One possibility is that you may have inadvertently turned off iMessage in your settings. To check this, open the Settings app and select Messages. Make sure that the iMessage switch is turned on.
Another possibility is that you may not have an active internet connection. To check this, open the Settings app and select Cellular.

The blue text indicates that the text is a standard SMS message, while the green text indicates that the message has been sent using iMessage.

Text messages are blue because that’s the color of the default text font on most phones.