iphone 3gs error 21 - GSM-Forum

m_mustakeem · 12-03-2010, 10:14

i have iphone 3gs when i restore with 4.1.2 custom restore file its given error 21
plz any one

iqballk · 12-03-2010, 10:26

use an iphone browser, go to /library/itunes/devicesupport/. delete every file in this folder. then restore ur custom firmware.

regards..

m_mustakeem · 12-03-2010, 10:32

know my phone is recovery mode how to do that

iqballk · 12-03-2010, 10:33

use ireb or tinyumbrella to jump recovery mode.

regards..

m_mustakeem · 12-03-2010, 10:52

same problem....recovery mode

moncef5 · 12-07-2010, 18:17

iREB is a tool for Windows® that will put your device into a pwned state so that you can upload custom then restore whith custom firmware

Sobaid · 02-21-2011, 15:12

Try on other pc ur problem solve 100%

12-03-2010, 10:14	#1 (permalink)
m_mustakeem No Life Poster Join Date: Nov 2009 Location: India Posts: 1,159 Member: 1152038 Status: Offline Thanks Meter: 257	iphone 3gs error 21 i have iphone 3gs when i restore with 4.1.2 custom restore file its given error 21 plz any one

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12-03-2010, 10:26	#2 (permalink)
iqballk No Life Poster Join Date: Jul 2002 Location: sri lanka Age: 39 Posts: 1,436 Member: 13932 Status: Offline Sonork: 100.1609876 Thanks Meter: 411	use an iphone browser, go to /library/itunes/devicesupport/. delete every file in this folder. then restore ur custom firmware. regards..

12-03-2010, 10:32	#3 (permalink)
m_mustakeem No Life Poster Join Date: Nov 2009 Location: India Posts: 1,159 Member: 1152038 Status: Offline Thanks Meter: 257	know my phone is recovery mode how to do that

12-03-2010, 10:33	#4 (permalink)
iqballk No Life Poster Join Date: Jul 2002 Location: sri lanka Age: 39 Posts: 1,436 Member: 13932 Status: Offline Sonork: 100.1609876 Thanks Meter: 411	use ireb or tinyumbrella to jump recovery mode. regards..

12-03-2010, 10:52	#5 (permalink)
m_mustakeem No Life Poster Join Date: Nov 2009 Location: India Posts: 1,159 Member: 1152038 Status: Offline Thanks Meter: 257	same problem....recovery mode

12-07-2010, 18:17	#6 (permalink)
moncef5 Freak Poster Join Date: Jul 2005 Location: TUNISIA Age: 52 Posts: 229 Member: 163515 Status: Offline Thanks Meter: 23	iREB is a tool for Windows® that will put your device into a pwned state so that you can upload custom then restore whith custom firmware

02-21-2011, 15:12	#7 (permalink)
Sobaid Junior Member Join Date: Dec 2007 Location: pakistan Posts: 17 Member: 646086 Status: Offline Thanks Meter: 0	Try on other pc ur problem solve 100%