I jailbroke my iPhone 4 a week ago, worked brilliantly, however while I was downloading a file i got a phonecall and it crashed. I thought it was going to respring but it went blank, then all I got was a black screen and Apple logo. I have followed all instructions and tried Tiny Umbrella, iREB and iFunBox to get out of recovery mode and get into my phone without having to restore.
Nothing worked. Now I tried to restore in iTunes and I keep getting error 1602 then error 21. I have since tried to reboot and tried other software I already mentioned again to help restore but nothing. Please help me, I’m competely stuck!