I am unable to reconnect to my NatWest bank account, when ever I click on reconnect on my iPad the QuickBook app just closes. When I try from my Android phone it gets to the final step and then I get an error message

I can help you reconnect your bank account, warrenostone-hot.

I'd like to verify the error message you were prompted with so I can help you with how to fix it. Meanwhile, you can reconnect your bank through a browser by logging in to this link. Then, start reconnecting it by following these steps:

1. Go to the Gear icon.
2. Click Bank accounts.
3. Select Connect another account.

After reconnecting, we can perform a few troubleshooting steps within your app so it can function as expected. Start with ensuring that your device is updated. Then, uninstall and reinstall the app. 

For more details on how to manage your bank accounts, you can refer to these resources: 

• Connect bank and credit card accounts to QuickBooks Self-Employed.
• What to do if you get a bank error or can't download transactions in QuickBooks Online

Let me know if you have other questions. Take care!