Is My iPhone 4S / 4 / 3gs Unlock Able?

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Many people want to unlock their mobile phones in order to use the alternative SIM cards, usually at the end of the initial contract period or during that time. As you are aware most of the iPhone’s are “locked” to a particular network i.e. iPhone by AT&T in the US and by O2 in UK.

Most of us need to use our phones with different carriers while we are are travelling or sending our mobiles as gift to other countries, but can not use due to its locking to the native carrier. Therefore we need carrier unlock iPhone, by unlocking the iPhone you can be able to place calls with any GSM carrier by inserting different Subscriber Identity Modules (SIMs) into the phone. After iPhone is unlocked you only need to buy any local GSM-compatible SIM and put it in your iphone to make your calls hence avoiding using the iphone with roaming and paying lot for roaming charges.

I have given below the complete list of iPhone’s which are now available in the market. It is suggested to fist ensure that your iphone is unlock-able, before going for any jailbreaking or unlocking process:

You have to first jailbreak your iPhone and then you can install the unlock tool like UltraSn0w. As always instructed make a backup for your device before starting any jailbreak or unlock activity.

UNLOCK iPHONE 4S:

iPhone 4S with iOS Version 5.1 |

• Modem firmware: 01.00.11 –> UNLOCK iPHONE 4S 5.1 with Gevey ULTRA SIM

iPhone 4S with iOS Version 5.0.1 |

• Modem firmware: 01.00.11 –>  UNLOCK iPHONE 4S 5.1 with Gevey ULTRA SIM

iPhone 4S with iOS Version 5.0 |

• Modem firmware: 01.00.11 –>  UNLOCK iPHONE 4S 5.1 with Gevey ULTRA SIM

UNLOCK iPHONE 4:

iPhone 4 with iOS Version 5.1|

• Modem firmware: 04.11.08 –> is not unlockable at the moment
• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 03.00.03 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> is not unlockable at the moment

iPhone 4 with iOS Version 5.0.1|

• Modem firmware: 04.11.08 –> is not unlockable at the moment
• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 03.00.03 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.5 (Tutorial)

iPhone 4 with iOS Version 5.0

• Modem firmware: 04.11.08 –> is not unlockable at the moment
• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 03.00.03 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.5 (Tutorial)

iPhone 4 with iOS Version 4.3.3 

• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 03.10.01 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.3.2 

• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.3.1 |

• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.3.0 |

• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 03.10.01 –> is not unlockable at the moment
• Modem firmware: 02.10.04 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.3.0 |

• Modem firmware: 04.10.01 –> is not unlockable at the moment
• Modem firmware: 03.10.01 –> is not unlockable at the moment
• Modem firmware: 02.10.04 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.2.1 |

• Modem firmware: 03.10.01 –> is not unlockable at the moment
• Modem firmware: 02.10.04 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.1.0 |

• Modem firmware: 02.10.04 –> is not unlockable at the moment
• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.0.2 |

• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.0.1 |

• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

iPhone 4 with iOS Version 4.0.0 |

• Modem firmware: 01.59.00 –> Unlock with UltraSn0w 1.2.4 (Tutorial)

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