Why is SIM not working in LG Stylo 2?

I had a purchased an LG Stylo 2 from a friend because my Alcatel OneTouch was going out. Naturally she took her Nano SIM card (It was straighttalk) and I ordered a new one off of the website I tried activating it and it's still says "Invalid SIM card". I thought it might just be the SIM card but when I asked my friend she tried it in her iPhone 7 and it worked and she tried her SIM card in my phone and it worked. My SIM just won't work in my phone and I can't figure out why.




Hmm that's odd. Have you tried factory resetting the phone first?



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