Hi, offgrid75,
welcome to the Apple (user-to-user) Community!
Re: "We made the keyboard so large we cannot see it all. It shows only digits, all except 3, 6, and 9".
Am no expert in this area, yet your question does deserve a response! Below are a few things to try.
If you may be zoomed right in: Double-tap the screen with 3 fingers to zoom out.
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Else: Wondering which settings you used, and which app you have open:
Eg: Try rotating the iPhone to landscape orientation ... does that help to fit the keyboard to the screen ?
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If you can tap anywhere outside the keyboard you will let iPhone know you've finished with the keyboard.
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Try the "typing with one hand" controls
- See if you can Touch and hold
or
(down below the numbers). - Tap one of the keyboard layouts. (For example, choose
to move the keyboard to the right side of the screen.) - To center the keyboard again, tap the right or left edge of the keyboard.
From: Type with the onscreen keyboard on iPhone - Apple Support
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Or: Can you swipe up the screen to access just above the Keyboard numbers and letters ?
if so, you can then swipe right down from just above the keyboard to hide the keyboard.
All the best :-)