why are some of my messages not being sent ?

Hello, 23taken.

Thanks for getting back to us with more details. In this case your granddaughter may be accurate if you don't have the right settings. If this is for your iPhone, you'll need to make sure that you're able to send SMS/MMS messages. This is different than an iMessage and it is done by your carrier and would make sense if you can send an iMessage to another Apple user but not Android. I would suggest reviewing these articles to help you get this set up so you can send SMS:

About iMessage and SMS/MMS

"To use SMS/MMS on an iPhone, you need a text-messaging plan. Contact your wireless carrier for more information. You can also set up your other Apple devices to send and receive messages from any Apple device".

If you can't send or receive messages on your iPhone, iPad, or iPod touch

Wireless carrier support and features for iPhone

Let us know if you need further help. We'll do what we can so you can send those messages.

Best Regards!

Hello, 23taken.

It looks like no one has responded to your question. Here are a couple things that might help others answer your question:

What messages are you referring to?

Do you get any error messages?

Cheers!

Hello, Frank.

We're glad to hear that this has resolved your issue. Reach back out to Communities if you need help with anything else.

Cheers!