iphone 4 help

hi folks i am having issues with my iphone i have been away for 4 months and my phone has had no charge what so ever, got back today connected to itunes downloaded latest restore and update but when verifying with apple i keep getting error codes 2006, 2001 & 1611 have tried all points to resolve ie reinstalled itunes updated OSX tried via windows and mac, tried restore from dfu mode, also used Tinyumbrella to kick phone out of recovery mode all attempts have failed, if anyone has experienced this issue your help would be gratefully appreciated, thank you it also says there is imei and iccid both unknown