FireBase Authentication Solve the problem of not receiving a confirmation code

Hello guys
I need help when I use the FireBase Authentication tool with my phone number When I register a registration code I don’t get a confirmation code on my phone number What is the solution to this problem.

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SHA1 Key Set on firebase

Open Project Click on Preference Your SHA1 Key Here
Copy This Code & Paste on firebase fingerprint SHA1 Key


I will try

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Sorry to bother you, but I can’t find it (SMA1)

do you mean this

Thank you
Thank you, it is over

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