While iPhone 3G is still hot, Apple already released concept pictures of iPhone 4G. Check them out.

iPhone 4G features that we can expect

• Titanium and Glass
• OLED screen
• 3G Data Speed
• True GPS
• Front camera for iChat
• Removable battery
• 3.2 Megapixel camera
• Video Capable
• 32 GB
• Messaging Light
• Removable Battery
• Height: 4.5 inch
• Width: 2.4 inch
• Thickness: 9mm
• Weight: 4.4 ounces

One thing you might have noticed though, it’s Square =)