This video tutorial shows you how to open your SIM Card slot, remove the SIM Card and replace it with a new one. All in iPhone 4.
Keep Your Connection Secure Without a Monthly Bill. Get a lifetime subscription to VPN Unlimited for all your devices with a one-time purchase from the new Gadget Hacks Shop, and watch Hulu or Netflix without regional restrictions, increase security when browsing on public networks, and more.
Other worthwhile deals to check out: