官方4.3版直接下載點,可以用續傳軟體(ex.Flashget)抓比較快然後打開itune..壓住shift ..再按回復..就能選剛剛抓下來的檔案進行升級..快很多滴!iPhone 4http://appldnld.apple.com/iPhone4/041-0330.20110311.Cswe3/iPhone3,1_4.3_8F190_Restore.ipswiPhone 3GShttp://appldnld.apple.com/iPhone4/041-0328.20110311.Lkhy6/iPhone2,1_4.3_8F190_Restore.ipswApple TV here.http://appldnld.apple.com/AppleTV/061-9584.20110308.Cxdew/AppleTV2,1_4.3_8F191m_Restore.ipswiPad 1http://appldnld.apple.com/iPhone4/041-0329.20110311.Cvfre/iPad1,1_4.3_8F190_Restore.ipswiPad 2http://appldnld.apple.com/iPhone4/041-0368.20110311.SwtHr/iPad2,1_4.3_8F191_Restore.ipswiPod Touch 4Ghttp://appldnld.apple.com/iPhone4/061-9588.20110311.GtP7y/iPod4,1_4.3_8F190_Restore.ipswiPod Touch 3G here.http://appldnld.apple.com/iPhone4/061-8366.20110311.Fr45t/iPod3,1_4.3_8F190_Restore.ipsw