I used Itunes to update IOS 5.0.1 to IOS 5.1.1 last night then i cant turn on my iphone 4s now.What can i do?

as the title!!
last night my iphone cant read SIM card suddenly
i changed two cards but still dont work
then i try to revocery and update
but i was ios 5.0.1 so my itunes download ios 5.1.1
then i cant open my iphone now
it only shows itunes icon and a usb line
please help me
and sorry for my poor english><
哈囉大家好
我昨天手機突然讀不到sim卡
換了兩張結果都一樣所以我想說重置&回復至原廠設定
但是我原本是ios 5.0.1版本所以itunes自動幫我下載5.1.1
更新後就無法開機了!
請問大大該如何解決??

The update copied all my apps and content back to my iPad. Are all your apps on your computer's iTunes ? An iPad backup only contains your apps content and settings and not the actual apps, so for the restore to be able to work fully iTunes needs access to the apps. If you re-download them to your computer's iTunes you could then try restoring to your backup and see if that copies them and their content back to the iPad. Re-downloading : http://support.apple.com/kb/HT2519 .

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