1. bluetooth 4.0 ?= bluetooth 4.0 LE , i.e. iPhone4s supports bluetooth 4.0, does that mean it support bluetooth 4.0 LE ? I know that bluetooth 3.0 != bluetooth 3.0 HS 2. my android phone project, msm7225A platform , bluetooth chip is WCN2243 . which version can be defined? 3. in short , from hardware and software aspects, how to confirm bluetooth version (when using bluez stack) it is really a problem that confusing me for a long time. appreciate anyone give some help. -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html