Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)
There is a difference in basebands!! Stay on 5.0 of u want chance of unlock. I don't see why the new JB wouldn't work with 5.0, it should