I can’t get any check to deposit

Good morning, @surgeelectric99-.

Thanks for taking the time to reach out to the QuickBooks Community. I hope you're having a great day so far. 

Let's try some basic troubleshooting steps such as resetting the app. This process plays the same role as clearing the cache from your web browser. They collect cache (cookies) to save you time when loading repetitive data and images.

Here's how to do it:

1. Go to Menu ☰ and tap Help & Feedback.
2. Select Refresh Data.
3. Tap Refresh to confirm.
    

You might want to learn how the QBO app works. Here's an article you can read for more details: QuickBooks Online app overview.

In case you need it, I'm adding this article that tackles managing and adding bank deposits for further guidance: Add a bank deposit in QuickBooks Online mobile.

That should do the trick. Please don't hesitate to let me know if you have any additional questions or concerns. Take care!