For latest ROM update. Please browse using this. Register and REPLY the thread in order to download.
http://bbs.xiaomi.cn/forum.php?mod=viewthread&tid=7854603&extra=page%3D1%26filter%3Dtypeid%26typeid%3D4375%26typeid%3D4375
actually this new build does not have to wipe data or anything. just flash it with existing ROM IF you continue using my previous ROM.
anyhow.. if thats the case, you need to manually download Init.d Toggler and busybox FREE from market. then install busybox and then initd toggler.
sorry for...
i using TB to backup system data but got force close on acore process.
guess the new version 3.8.2 not integrating well esp for M2S.
no problem for fresh install. u can use my WIPE.zip in my signature. flash it to have CLEAN wipe.