ContributionsMost RecentMost LikesSolutionsRe: sim card Sim** Re: sim card T-mobile is the carrier service for qlink wireless. Qlink wireless is who I'm under. I've used the simple card in two other phones w/out any issues Re: sim card It's a working card from old phone sim card Just purchased a Samsung Galaxy s21, unlocked to any carrier. When it asks me to read sim card it's saying theres no sim card installed, which it is. Any suggestions? Solved