AT&T Shockwave USB Connect 305
02-22-2012 04:06:58 AM
Dear All, AT&T Shockwave USB Connect 305 that is unlocked but it is not connecting with 2100Mhz 3G networks , always searching ...... like that it shows in sierra airdcard watcher . it works in 2G mode . it have ATT firmware may be 2100Mhz is blocked in firmware , is there any way to use sierra firmware.