PART 2 :) [Update Iphone 3gs] From 4.1 To 6.1.2 With Easy Steps

step 1 :download the latest firmware for 3gs (iPhone2,1_6.1.2_10B146_Restore.ipsw)
and restore phone

step 2 : after restore phone with latest firmware
Open redsnOw latest one (redsn0w_win_0.9.15b3)
select Extra Select IPSW And select(iPhone2,1_6.0_10A403_Restore.ipsw)
Press Back Button Press Jailbreak Wait until all is complete In Option just mark to Update ipade Basband
go next wait until basband updating complete

step 3: phone will be power on and you will be able to Activate I phone (do activation )

step 4: Jailbrak The phone using evasi0n

step 5: Last step Unlock phone using Cydia are using dab files can upload file using i tools i fun box etc software

DOne !
NOTE
For Those Who Have already 6.1 And they want To update 6.1.2 Plz Use Same Steps

[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

3GS Update 6.1.2 Unlock Jailbreak Done

1:Restore 6.1.2

2:After restoring 3gs stuck in recovery mode

3:Open Redsn0w_win_0.9.15b3 --->Extras --->Select IPSW ---> Select --->iPhone2,1_6.0_10A403_Restore.ipsw --->Select OK ---> Back --->Jailbreak ---> Only select Install Ipad baseband NOT cydia.

4:After complete.

Your phone is Now Activate.

5ownload Evasion 1.4 Jailbreak for iOS 6.1.2

6:Now open Cydia--->manage and add there the Ultrasn0w Address rep0666.ultrasnow.com

7:Install --->Ultrasnow

8ONE