Excuse my ignorance, but I just picked up a refurbed Samsung GS tab S and can't connect to WIFI. It's saying I need a SIM card (didn't need one for used iPad). I just want to connect to WIFI, not use this thing as a phone.
Do I need a SIM card just to use this as a WIFI device?
I have been using a Galaxy Tab S for the last 6 months with a Samsung 64GB Micro SD. Every once in a while I connect the Tablet to the PC and just put E-Books, music or movies on the SD card. Up until yesterda it worked fine evcerytime. Yesterday I wanted to load 2 movies from my PC on the...