All of the unmodified ROMs are AKU (adaptation kit update) 1.1 or 2.3, and don't support stereo BT headsets.
All of the unmodified ROMs are AKU (adaptation kit update) 1.1 or 2.3, and don't support stereo BT headsets.
所有的未修改的固件都是1.1或者2.3版本的AKU升级包，并且都不支持立体声蓝牙耳机。