iphone 4 update error21 - GSM-Forum

mohiddin · 11-05-2012, 18:30

i update my firmware 6.0 to 6.0.1 with redsnow and no i cant update with itune it give me always error 21....help...

shedeed · 11-05-2012, 18:35

Try Enter DFU then Restore If Same Error May Be Battery Prob Or BB Damage
Regards
B,R

mohiddin · 11-05-2012, 18:45

i try dfu mode but it show restoring ......after 5 min ....error1602...i change the battery too but same error

sesime · 11-05-2012, 19:09

bro i had dis error sometime ago but tried many solitions but did not work

mohiddin · 11-05-2012, 19:25

finally i get the solution....i just flash the phone with redsnow and flash the baseband too....

11-05-2012, 18:30	#1 (permalink)
mohiddin Crazy Poster Join Date: Jul 2006 Location: Belize(CentralAmerica) Posts: 53 Member: 307872 Status: Offline Thanks Meter: 7	iphone 4 update error21 i update my firmware 6.0 to 6.0.1 with redsnow and no i cant update with itune it give me always error 21....help...

11-05-2012, 18:35	#2 (permalink)
shedeed No Life Poster Join Date: Jun 2007 Location: E G Y P T Age: 37 Posts: 2,527 Member: 527884 Status: Offline Sonork: 100.1583794 Thanks Meter: 850	Try Enter DFU then Restore If Same Error May Be Battery Prob Or BB Damage Regards B,R

11-05-2012, 18:45	#3 (permalink)
mohiddin Crazy Poster Join Date: Jul 2006 Location: Belize(CentralAmerica) Posts: 53 Member: 307872 Status: Offline Thanks Meter: 7	i try dfu mode but it show restoring ......after 5 min ....error1602...i change the battery too but same error

11-05-2012, 19:09	#4 (permalink)
sesime Freak Poster Join Date: Nov 2006 Posts: 292 Member: 399775 Status: Offline Thanks Meter: 4	bro i had dis error sometime ago but tried many solitions but did not work

11-05-2012, 19:25	#5 (permalink)
mohiddin Crazy Poster Join Date: Jul 2006 Location: Belize(CentralAmerica) Posts: 53 Member: 307872 Status: Offline Thanks Meter: 7	finally i get the solution....i just flash the phone with redsnow and flash the baseband too....