How to Jailbreak iPhone 3gs 6.1.6 successfully Solution

3gs iPhone2,1_6.1.6_10B500_Restore untethered jailbreak & unlock

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

2) Jailbreak

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) Next, follow the instructions to enter dfu mode

2.8) Check install cydia & install ipad baseband

2.9) Wait until jailbreak done

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 on u 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 ultrasnow 1.2.8

1000% network done