iPhone 3GS 6.1.6 - 6.1.3 untethered jailbreak and unlock

1) Restore your device with iPhone2,1_6.1.6_10B500

2. Jailbreak Process:

2.1) Open redsn0w_win_0.9.15b3
2.2) Go to extra
2.3) Go to select ipsw
2.4) Select iPhone2,1_6.0_10A403_Restore
2.5) Back
2.6) Jailbreak
2.7) Uncheck install cydia
2.8) Check install iPad baseband
2.9) Next, follow the instructions to enter dfu mode

2.10) Wait until done and phone starts normally
2.11) Follow again steps 2.1-2.7
2.12) Check Downgrade from iPad baseband (make sure to UNcheck install cydia)
2.13) Next, follow the instructions to enter DFU mode
2.14) Follow again steps 2.1-2.6
2.15) Check install cydia
2.16) Next, follow the instructions to enter DFU mode
2.17) let the phone finish until it comes to the apple logo

3) There will be no cydia in your device
3.1) Open redsn0w_win_0.9.15b3
3.2) Go to extra
3.3) Go to select ipsw
3.4) Select iPhone2,1_6.0_10A403_Restore
3.5) Go To Just boot
3.6) Follow the instructions to enter DFU mode
4) after device boots you can see cydia
5) Open Cydia.
6) Click the "Changes" tab in the footer.
7) Press the "Refresh" button in the top left corner.
8) After "Reloading Data", perform a search for "p0sixspwn" (the O is a zero).
9) Tap Install.
10) After installing p0sixspwn your device is untethered
11) Install ultrasn0w 1.2.8 (Cydia and click Manage. Then select Source > Edit and choose Add this repo: http://repo666.ultrasn0w.com)
12) turn phone off and back on!
Enjoy!!!

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