[Update Iphone 3gs] From 4.1 To 6.1 With Easy Steps

Note do it before STarting Everying : if
your phone already in 4.1 firmware and you want to update it to latest
firmware then downgrade the base band before staring restoring phone
to latest firmware
Have a lot of others method but i will post here easy steps
for those who like this
(how to downgrade?)
use the latest redsnow (redsn0w_win_0.9.15b3) open it Choose Extra press
Select IPSW and select there (iPhone2_1_4.1_8B117_Restore.ipsw)
press back button press jailbreak , and mark to downgrade from base band
(only this option not others ) do next wait until all is complete
Phone will be power on with downgrade base band

Step 1 MAke custom Firmware using snowbreeze (sn0wbreeze v2.9.9 (For iOS
3.1.3, 3.2.x, 4.0.x, 4.1, 4.2.1 to 4.2.8, 4.3 to 4.3.3, 4.4.3, 4.4.4,
5.0.1, 5.0.2, 5.1.1, 5.2, 6.0.x, 6.1)
step 2 put the phone in DFU mode Using iREB-r6 download from here :http://www.4shared.com/zip/xUt_ovhO/ireb-r6.html
after puting phone in DFU mode Open itune and connect phone and press restore phone
step 3 after Restore Wait for Phone to Complete Power On , (it will take some time install cydia Etc )
step 4 After Complete Power on phone connect phone to wifi open cydia ,
manage and add there the Ultrasn0w Address (rep0666.ultrasnow.com)
step 5 Intall Ultra snow From There Are you can use other method to put
file on AUTO install Folder Using Itool Ifunbox Etc Software
DONE

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