"其他"..其實過一段時間自己會消失掉電源鍵&音量- 開機幾次也會消失不然服用這個CacheCleanerhttp://www.windowsphone.com/zh-tw/store/app/cachecleaner/178c0610-433f-4818-bb1e-1d92633dfcf0清理大师http://www.windowsphone.com/zh-tw/store/app/%E6%B8%85%E7%90%86%E5%A4%A7%E5%B8%88/d135c21c-35cf-43bd-98c6-46788e5145ba清理大師http://www.windowsphone.com/zh-tw/store/app/%E6%B8%85%E7%90%86%E5%A4%A7%E5%B8%AB/4b9ba53f-111e-4a9a-8c7d-903d96621f10