The world's first, R-SIM iOS7.1 LTE patch will be released,It will make iOS7.1-7. X 3G or 4G LTE card smoothly using. without a computer,everyone can install iOS7.1 LTE patch by WIFI.
R-SIM team are constantly improving our patches and developing more new software. R-SIM Unlock card is great and high-tech. Imitated by many, surpassed by none!
More details please pay attention to the ***site: