====== Windows8.1RT恢复WindowsPhone系统 ====== 下列视频教大家将已经刷入Windows8.1RT系统的手机恢复成WindowsPhone系统。 ==== Lumia640XL ==== ==== Lumia630 ==== ==== Lumia640 ==== ==== Lumia1520 ==== ==== Lumia830 ==== ==== Lumia930 ====