pnsttb code is invalid code

Go to link; https://gevents.37games.com/gamecode/indexm.html
Select your server (State) and Username. To determine your server number and Username:
– Go to bottom right hand corner while in HQ view.
– Click on More -> Settings -> Manage Character. Select the character with the big green check on the right side.
– Above your name will be Sxxn State (S/State = Server)

Are INVALID/EXPIRED

Right hand bottom of your screen tap the button that looks like an X. Once you push it you should see a settings button once you push it you will see what you are looking for in the lower right column.
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Ios is different on how to redeem box codes. If you Google it they will tell you how.

You need to write it exactly how it’s displayed.