No you do not need a new SIM card- besides waiting approx 48 hrs as others have mentioned, check your phone settings to make sure your cellular data setting is set to LTE vs 3G. my plan switched over Nov 24, did a speed test and it was still showing ...
I just helped my mom port from chatr last night, she is having the same issue. She can make calls but cannot receive any incoming calls, it goes srtaight to voicemail. This also happpened to my brother when he was porting from fido. I believe the po...