Chosen Solution

My phone is a zte jasper Lte. My sister has an iPhone and she can’t get my texts. I can receive her texts and on my phone, it shows that it was sent but my sister’s phone e doesn’t receive the texts. I did manage to send her pics through messenger tho

Try deleting your message history with the number that you have having trouble sending messages to and have them delete their message history as well and deleting each other out of your contact list and try sending a message again after you’ve done the steps mentioned.