why will my iphone not send a text?
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If you have an iPhone and another iOS device, like an iPad, your iMessage settings might be set to receive and start messages from your Apple ID instead of your phone number. To check if your phone number is set to send and receive messages, go to Settings > Messages, and tap Send & Receive.
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Your iPhone most likely cannot send picture messages because MMS has not yet been turned on in the settings of your device. Follow the steps below, to turn on MMS or to check if MMS is turned on. If MMS is turned on then the problem is likely with your carrier.
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When you send an iMessage, Apple will route that message through their servers using an Internet connection. This Internet connection can be either Wi-Fi or your cellular provider's data network. If no Internet connection is available, the Messages app may attempt to deliver the iMessage as a regular SMS text message.
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To avoid your iPhone using SMS when you wish to send an iMessage, you will want to be sure that a few items are set correctly in Settings > Messages. First, you'll want to check that iMessage is turned on, and confirm that your iCloud account and receiving addresses are correctly set in the “Send & Receive” section.
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Check your network connection. To send a message as iMessage or MMS, you need a cellular data or Wi-Fi connection. ... If you turn on Wi-Fi Calling, you can send SMS messages over Wi-Fi. Check with your carrier to see if the type of message you're trying to send, like MMS or SMS, is supported.
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iMessages are different than actual text messages. ... So it will not show up on your bill and neither will the number texting.
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In both instances the iMessage will send regardless. ... If an iMessage cannot be delivered to the person, you will have the option to convert it to a normal SMS text message but only if you are on a cell phone, this won't work on an iPad or iPod/iMac.
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It may mean that the person to whom you're sending the message has either signed out of iMessage or does not have an active data connection (either cellular or WiFi).
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Fix problems sending or receiving messages Make sure you have the most updated version of Messages. If you have a SIM card, ensure that it is inserted properly. ... Verify that Messages is set as your default texting app. Learn how to change your default texting app.
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Check in your iPhone's Settings app that various messaging options are turned on so that your phone can dispatch texts if iMessage fails. Turning your iPhone off and back on again can usually refresh the software and restore better signal connections, enabling your messages to send once again.
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Possible reasons why your iPhone XS is unable to send SMS messages after an update. Problems affecting cellular services particularly SMS sending and receiving are usually due to network outages, software glitches, and update bugs.
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Make sure iMessage is enabled on both iOS Devices. You could check on your device in: Settings > Messages > iMessage. ... Try turn off iMessage and turn it on again. If iMessage is on, Tap on “Send & Receive” > Select your phone number and email address that you want to sync to that device.
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The obvious reason your message won't deliver is because the recipient has no service. iMessage relies on an internet connection, so if no Wi-Fi or cellular data is available, it won't appear until their phone gets a connection.
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Fix problems sending or receiving messages Verify that Messages is set as your default texting app. ... Make sure your carrier supports SMS, MMS, or RCS messaging. Check your plan or credit balance to see that you have enough to send/receive messages. See if you have signal.
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Thanks for using the  Apple Support Communities. If the contact's number is in red, it means you can't send iMessage to this number. You have to send regular SMS message.
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['Find "Messages" Press Messages.', 'Turn on sending of iMessages. Press the indicator next to "iMessage" to turn on the function. ... ', 'Turn text message alternative on or off. Press the indicator next to "Send as SMS" to turn the function on or off. ... ', 'Return to the home screen.']
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Your device will no longer be able to send or receive text messages.