Hi All, I'm using an Iphone 4. Last friday my iphone dead and not able to turn it on. I have tried to connect to itunes Home button   power button  it say's Iphone in DFU mode and asking to recover but when i click on restore it gives 1644 error. plz sugg

Hi All,
I'm using an iphone 4.Last friday my iphone dead and not able to turn it on. I have tried to connect to itunes +Home button +  power button  it say's Iphone in DFU mode and asking to recover but when i click on restore it gives 1644 error. plz sugguest.
my os version: 4.2
Firmware: 02.10.04

FORCE IPAD INTO RECOVERY MODE
1. Turn off iPad
2. Turn on computer and launch iTunes (make sure you have the latest version of iTune)
3. Plug USB cable into computer's USB port
4. Hold Home button down and plug the other end of cable into docking port.
DO NOT RELEASE BUTTON until you see picture of iTunes and plug
5. Release Home button.
ON COMPUTER
6. iTunes has detected iPad in recovery mode. You must restore this iPad before it can be used with iTunes.
7. Select "Restore iPad"...
Note:
1. Data will be lost if you do not have backup
2. You must follow step 1 to step 4 VERY CLOSELY.

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