You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

User profile for user: chakri288
chakri288 Author
User level: Level 1
4 points

Phone screen shows INVALID INPUT

Please find the attachment,

always saying INVALID INPUT, it was so disturbance

iPhone XR

Posted on Jun 27, 2021 9:15 AM

Reply
Question marked as Top-ranking reply
User profile for user: KiltedTim
KiltedTim
User level: Level 10
203,242 points

Posted on Jun 27, 2021 9:34 AM

That's what's called a 'flash SMS' message.

Contact your cellular carrier.

View in context
3 replies

Phone screen shows INVALID INPUT

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.
Learn more Sign up