S**********0
发帖数: 631 | 1 到phone update 去， 系统老是说your phone is up to date | s*****m
发帖数: 13092 | 2 文章链接：http://www.mitbbs.com/article/PDA/32450571_0.html
标题：Step by step installation of WP 8.1 Dev Preview
作者：syforum (syforum)
日期：Tue Apr 15 05:18:39 2014, 美东
1.Get a free account through the App Studio http://appstudio.windowsphone.com 2.Install the Preview for Developers app 3.Launch the Preview for Developers app, check the box, click “done” 4.Go to settings -> phone updates, and check for updates 5.Install the 8.0.x update, preparing you for 8.1 6.Then, check for updates again, and install the 8.1 update 7.Enjoy!
http://wmpoweruser.com/step-by-step-installation-of-wp-8-1/
【在 S**********0 的大作中提到】
: 到phone update 去， 系统老是说your phone is up to date
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