After invoice is edited on mobile device, it still export old file (before edit). Please fix the bug

Let's resolve the error that you've encountered to export the edited invoice, @Raymdlee.

It's possible that piled-up cache in your application caused this unusual behavior when trying to export your invoices. 

To resolve this, you can clear app data and remove cached data in the QuickBooks Online app before editing and exporting your invoices once again.

For Android:

1. Select More Options and click on Settings.
2. Tap Refresh Data and then choose Yes.

For IOS:

1. Go to the Menu ☰ and select Help & Feedback.
2. Click on Refresh Data, and then tap Refresh.

If you get the same result, you can check out this article to solve the common error in the mobile application: Troubleshooting Quick-Start Guide for the QuickBooks Online app.

Here's also more information on how to download and save invoices, other sales forms, and statements as PDF.

I'm here anytime you need further help with exporting your invoices by leaving a comment below. Take care and have a great rest of the day!