For enough room to disconnect the Wi-Fi antenna on this phone, the ground finger must first be removed. Apple moved this finger out from beneath the battery connector, making battery replacement that much easier.

The Wi-Fi antenna and chip are perhaps the only RF components of the phone that did not receive a revamp. The board utilizes a Broadcom BCM4329 - the same chip found on the GSM iPhone 4. This antenna is nearly identical to the unit found in the GSM iPhone 4.