GSM-Forum - View Single Post - iphone 4 is giving error 21 while restoring

sirkahan · 09-02-2013, 13:52

Just make sure you tried software steps and not success. iTunes error 21 is cpu error. You need reball it with stencil.

09-02-2013, 13:52	#7 (permalink)
sirkahan Insane Poster Join Date: Mar 2010 Posts: 84 Member: 1268083 Status: Offline Thanks Meter: 7	Just make sure you tried software steps and not success. iTunes error 21 is cpu error. You need reball it with stencil.