I took my battery out of my HP Pavilion Laptop to get the model number of the battery, (cause its dead) and I found a phone type SIM card slot with an AT%26amp;T SIM card already in it. Why does this exist, what is it used for, how can I use it to my advantage, and WHY WHY WHY IS IT THERE IN THE FIRST PLACE? very puzzled about this, any [helpful] response would be greatly appreciated.Why do I have a phone SIM card slot on my computer? How do I use it?
Probably can use Internet over phone