A SIM card or Subscriber Identity Module is a portable memory chip used in GSM phones. The SIM Card allows users to change phones by simply removing the SIM Card from one cell phone and inserting it into another. The SIM holds personal identity information, cell phone number, phone book, ...
moreAll of these phones you mentioned are better phones. Better ask yourself what you are looking on the phone not what is a better phone. It should always fits on your needs and not because it popular. Each of these phone have their own distinction. Use these site as your guide. Good...