Hello! I understand you’re having trouble logging into the Bank of Scotland app on your iPhone. Let’s work through this together.

First, a couple of questions to clarify things:
- Are you having trouble entering your username or password, or does the app not let you log in even after entering correct details?
- Are you seeing any error messages? If so, what do they say?
- Have you tried logging in before on this device without issues?

Meanwhile, here are some straightforward steps you can try to resolve the login problem:

1. Close and reopen the app: Fully close the Bank of Scotland app by swiping it away from your app switcher, then reopen it and try logging in again.

2. Check your internet connection: Make sure your iPhone is connected to a stable Wi-Fi or mobile data network.

3. Update the app: Go to the App Store to check if there is an update available for the Bank of Scotland app. Running the latest version can fix bugs and improve login stability.

4. Restart your iPhone: Sometimes a quick restart can clear temporary glitches.

5. Reset your login details: If you’re unsure about your username or password, you can use the ‘Forgotten your log-in details’ option within the app to reset them safely.

6. Clear app cache or reinstall: While iOS doesn’t have a direct “clear cache,” you can delete the app and reinstall it to start fresh. Don’t worry, your bank details remain secure with your login credentials.

If these steps don’t help, it could be related to an issue on the bank’s service side or your account settings. I can check for any service outages or updates for you next.

Please let me know what you’ve tried so far or any error messages you’re seeing, so I don’t suggest repeats.

Are you satisfied with this initial guidance?