This morning Nokia Siemens announced that they’ve doubled the speed of EDGE to 592Kbps via a Dual Carrier EDGE software solution. Existing GSM/EDGE networks will likely benefit from this in Q3 such as T-Mobile unless the government unshackles their 3G network before then. iPhone v1.0 owners will also benefit. Nokia will continue to boost speeds with EGPRS 2, which is said to offer…