https://developers.google.com/android/nexus/images
目前舊機種已經可以下載的有
Factory Images "hammerhead" for Nexus 5 (GSM/LTE)
https://dl.google.com/dl/android/aosp/hammerhead-lrx21o-factory-01315e08.tgz
Factory Images "razor" for Nexus 7 [2013] (Wi-Fi)
https://dl.google.com/dl/android/aosp/razor-lrx21p-factory-ba55c6ab.tgz
Factory Images "razorg" for Nexus 7 [2013] (Mobile)
【目前還沒有】
Factory Images "mantaray" for Nexus 10
https://dl.google.com/dl/android/aosp/mantaray-lrx21p-factory-ad2499ea.tgz
Factory Images "occam" for Nexus 4
https://dl.google.com/dl/android/aosp/occam-lrx21t-factory-51cee750.tgz
Factory Images "nakasi" for Nexus 7 (Wi-Fi)
https://dl.google.com/dl/android/aosp/nakasi-lrx21p-factory-93daa4d3.tgz
Factory Images "nakasig" for Nexus 7 (Mobile)
【目前還沒有】
我自己試過，Nexus 4、Nexus 7、Nexus 7 2013都成功刷過去
另外試過Nexus root toolkit可以把neuxs 4給root (n7還沒試)
可惜目前xposed framework似乎還不支援棒棒糖...
還有嘸蝦米輸入法不能輸入中文 〒△〒
我從L-preview的時候發現嘸蝦米有問題就回報官網了，但現在還沒解決...

噴電問題應該是修掉了，我的 nexus7 刷完沒有噴電問題但也沒感覺 ART 有比較省電，基本上和4.4.4 比起來頗無感的…