Check your internet connectivity by running a speed test on a web browser.

You can enable both Wi-Fi and cellular data from the Control Center, which you can access by swiping down from the top-right corner of the screen on iPhones with Face ID or swiping up from the bottom on iPhones with a Home button.

3. Relaunch the Messages App

A simpler solution would be to force quit and restart the Messages app if it has been operating in the background.

Here's how to do it:

This solution will refresh the app and relaunch it.

4. Update Carrier Settings

In case you didn't know, your carrier service also releases updates to improve the connectivity on your iPhone. You might be facing this issue because you haven't updated to the latest carrier settings.

Updating your carrier settings is also one of the best fixes when you can't receive texts from Android users. Follow these steps to do it:

After this, go back to the Messages app and check if you can send the message. If you don't get an update pop-up, that means you're using the latest carrier settings.

5. Update Your iPhone

Software updates are essential for your iPhone, as it brings new features and bug fixes to enhance your experience. Apple regularly rolls out software updates for iPhones to introduce new features, improve performance, and keep things in check.

If you haven't updated your iPhone's software in a while, you might be unable to send a picture message. You can easily fix this by updating to the latest iOS version.

6. Enable Send as SMS

Using the Messages app, you can send a text, photo, or video to another iPhone user via iMessage. However, if you want to send anything to an Android user, you need to enable the Send as SMS option on your iPhone by following these steps:

After this, return to the conversation and try sending the image again.

7. Enable MMS Messaging

You also can get this error if you haven't enabled the MMS (Multimedia Messaging Service) option for the Messages app on your iPhone. So, turn it on to share images through your carrier on your iPhone by following these steps:

If you don't see the MMS Messaging option in the Settings menu, it might be because your carrier doesn't support it. However, if you've enabled the option, return to the Messages app and try resending the image. Next, ask the recipient to check if their carrier supports MMS messaging on their Android device.

8. Restart Your iPhone

Restarting your iPhone is the most effective and quickest way to fix most software issues you might be facing on your iPhone. Therefore, a simple reboot could solve this problem as well. After turning your iPhone back on, check if you can send the image in Messages. This is also one of the best fixes for when iMessage doesn't deliver your texts.

All the potential solutions discussed here should help you send images from your iPhone to an Android user using the Messages app. If you still cannot send it for some reason, contact Apple Support for further help. Also, don't hesitate to reach out to your carrier and check if you're on a plan that supports MMS.