iphone5 ios8.1.1想降到8.1 - iOS

By Vanessa
at 2014-11-24T21:24
at 2014-11-24T21:24
Table of Contents
如題
8.1應該還沒關吧@@?
這幾天ip5更新到最新之後
一開始沒問題順順的
這兩天發熱特別嚴重
耗電量也是驚人
不知道是不是個案
想要趁還沒關閉認證刷回8.1
GOOGLE了一下
步驟大概是:
1.聯接iphone並打開itune
2.進入DFU模式
但是這一步教程是寫iphone都沒螢幕,整個黑才是OK的
但是我試了很多遍畫面一直有一條傳輸線+itune符號
好像是恢復模式??
那還可以繼續回復iphone嗎(SHIFT+回復)
還是只能確實進入DFU後才可降級?
小弟不熟整個流程請各位大大解惑
感激不盡:D
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