Dual sim question

[Adi0]

Please if anyone can check this: go to contacts, press any contact and then press and hold call button and then this menu should pop-up which will let you choose a SIM card by which you want to make a call. Now. My both SIMs have phone numbers in them but for some reason only SIM 2 is only showing the number.

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How about you? 

[Adi0]

Did you press the call button? Do you have both SIMs in? 

[WelshPaul]

Yes I pressed the call button and yes I have both SIM cards inserted and in use.

[Adi0]

And nothing showed up? 

[WelshPaul]

Just a message saying voice call, +441234567890

[Adi0]

For the SIM 1 or 2?

[WelshPaul]

Doesn't say SIM 1 or SIM 2.

[Adi0]

A screenshot would be nice

[WelshPaul]

Here you go

[Adi0]

U have to press and hold the call button marked with red and then what pops-up? 

 P.S. They're a business, they need publicity, but I don't know if the internet may missuse the picture. 

[WelshPaul]

Before and after I press and hold the call button