Faced no problem with the physical usage of iPhone until now, everything is working well and fine and also I am very much satisfied but seems like the Bluetooth is not being so active and impressive. My iPhone 4 is not allowing a reasonable range to the Bluetooth and also Bluetooth headset is not working well. My iPhone 4 is quite old but the Bluetooth headset is very much new. I bought it last month from the Apple store. I tried the Bluetooth headset with IPhone 3G & IPhone 3G-S and I must say that its working great and also I didnít find any compatibility issue between them. but then when it comes to iphone 4 seems like everything is messed up. The main problem is that whenever I connect my Bluetooth headset with my iPhone and if I ever put the iPhone into my shirt or pant pocket the Bluetooth connection is disconnected automatically. When I noticed this behavior I simply started testing the Bluetooth and my iPhone 4 keeping them in several different conditions. Like once I kept my iPhone 4 inside my car and I stood right beside the car door but then too the Bluetooth connection got disconnected somehow. If the connection fails when inside the car then its fine but its not done when the Bluetooth is disconnected even if you are keeping the phone inside your pocket because phones are obviously meant to be kept inside the pocket and if the connection is failed by doing so then whatís the use of getting a Bluetooth headset. However many times I tried to recreate the issue with some of the other models of apple including IPhone 3G-S with IOS 4 installed into it but it seems like the issue is only meant for iPhone 4 and not for any other device, quite strange. Is there anyone who is facing the same problem with their iPhone 4 especially with other apple device?