Why doesn't my phone recognize the sim card?

[AC Question]

why doesnt my phone recognize the sim card

I have a pan tech Vega 4g late and when I removed one sim card and put a different sim in it didn't recognize it

 

[srkmagnus]

Re: why doesnt my phone recognize the sim card

I have a pan tech Vega 4g late and when I removed one sim card and put a different sim in it didn't recognize it

Is the SIM card from the same carrier? If it is, then I would suggest contacting them to see if there is anything you need to do to activate the SIM card.