Can you use GP and Redsn0w together?

[bonkerbids]

Is it possible to use GP on a 3gs with 4.2.1 to get an untethered jailbreak and then use redsn0w to only install the ipad 06.15 baseband update so you can unlock using ultrasn0w.

This would be an ideal way to achieve an untethered unlock on a 3gs 4.2.1.

Anyone know if this is possible?

Thanks

[Cowboy]

Yes can use them together just go a head and run GP and you should be AOK

[bonkerbids]

And you think it is safe after running GP to then install the ipad 06.15 baseband update? You dont think that will overwrite the GP jailbreak? Do you think the untethered jailbreak will remain in tact?

actually I just found this and it seems like others are having success with this option so I will give it a try:

Im wondering if I can jailbreak my iPhone 3GS with greenpoison rc5! I have a 3GS which is currently jailbroken tethered with redsnow. Its upgraded to the iPad baseband of 6.15.00. And it requires an unlock. Can I do this with greenpoison and still un