Nexus one Bluetooth 一問

各位有冇試過  send to wm mobile ok,
但 receive from wm mobile 就唔得, wm mobile 出 "不能連接到 obex 設備, 沒有選擇支持的服務."
用普通手機同 netbook 就無問題, 真奇怪! 而家用 3rd party app. 先至叫做用到個 bluetooth 巧能,
唔知有冇 nexus one 用家, 唔用 3rd party app. 都可以成功 send / receive 呢?