iPPhone won't turn on and won't go into DFU or Recovery Mode? Help please?

i have iphone 3g ios 4.2.1 it's jailbroken. yesterday installed swirlymms because iphone doesn't send mms.and reboot device didn't turn on.now battery finished. tried everyway, won't go dfu or recovery mode. , itunes doesn't see iphone. can do?

 

what mean battery finished?

 

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