When you're waiting for a response on iMessage, it can be frustrating to figure out if your message hasn't gone through, the person is ignoring you, or their phone has simply died. While there's no foolproof way to know for sure, here are some clues that might indicate their iPhone battery has run out:

Indicators Your Message Might Not Have Delivered

• Lack of Delivery Confirmation: iMessage usually displays a "Delivered" notification under the last message you sent when successful. If this is missing, it could be a sign their phone isn't able to receive the message.
• Switching to SMS: If iMessage can't connect, your iPhone may automatically switch to sending your message as a standard SMS text message. These appear in green bubbles rather than the usual blue of iMessages.
• No Typing Indicator: iMessage usually displays a "..." ellipsis when the other person is actively typing a response. If you've been waiting a while without seeing this, their phone might be off.

Other Factors to Consider

• Do Not Disturb Mode: If the person has "Do Not Disturb" enabled, they may not receive iMessage notifications, even if their phone is on.
• Poor Network Connection: A lack of cellular data or Wi-Fi connection can also prevent iMessages from being delivered.
• Blocked Contact: If you've been blocked, your messages won't go through. However, you might not always get a clear indication that this has occurred.

Ways to Get in Touch

• Call Them Directly: The most straightforward way to find out what's going on is to give them a call. If it goes straight to voicemail, that's a strong indicator their phone has died.
• Send a Regular SMS: Send a standard text message. If it goes through, it suggests their phone is on but they may not have data or Wi-Fi for iMessages.
• Try Social Media or Other Apps: Contact them through a different messaging app or social media platform if you suspect their phone is off but they might have access to data from another source.

Important to Remember

There are many reasons why someone might not respond to a message immediately. It's best to give them some time and try alternative ways to reach them before jumping to conclusions.

References:

• InPics Solutions: How to Know if Someone's Phone Died on iMessage https://inpics.net/how-to-know-if-someones-phone-died-on-imessage/
• Life360: How to Know if Someone's Phone Died https://www.life360.com/blog/how-to-know-someones-phone-died/

Let me know if you'd like any additional tips or information on troubleshooting iMessage issues!