In the past we have provided complete procedure to downgrade firmware of iPhone 4, 3GS, iPod touch 4G, 3G, iPad 2 (wifi) and iPad 1 using saved SHSH files from TinyUmbrella. We also mentioned in one of our post that Apple is still signing 4.3.1 for iPhone 3GS therefore downgrade is possible. However it may […] Read more


Recent Comments