IPhone isn't connecting to Wi-Fi?

Hi well my iphone isn't connecting to my home Wi-Fi connection. When I enter the Wi-Fi password it says it's incorrect and my Wi-Fi works on other things like ipad, laptop etc. And it is the correct password also cuz I checked on my ipad. I tried turning off Wi-Fi and the phone itself but it doesn't work, how can I fix this?

Added (1). What's wumbo lol

Added (2). I'm not stupid. I typed it right.

Did you set it to wumbo?

That just means your typing it wrong. You have to be really careful cos the keyboards so small.

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