It’s the right time I can write this article to explain in How many ways we can Unlock a Factory locked iPhone 4 . In the last few weeks the jailbreaking community has seen quite a few ways to use a carrier locked iphone 4 with other providers without using the general Ultrasn0w Unlock method. Follow the article below to know more about iPhone Unlocking .
How to Unlock iPhone 4 ?
There are several ways to unlock iPhone 4 successfully . I will write down the details of these methods below along with instruction videos . I will also list the merits and demerits of using all the mentioned unlock procedures based on their reliability .
- Gevey Sim
- IMEI Unlock
- AT&T Official Unlock
- SAM Unlock
1. Ultrasn0w Unlock : Ultrasnow unlock is a software based unlock for iphone 4 which requires jailbreaking your device using the available jailbreak tools [JailbreakMe-Greenpoison – Limera1n-Redsnow-Snowbreeze-PwnageTool]. Read more about How to Jailbreak iPhone 4 .
- Free to download and install
- Requires jailbreaking
- Only available upto iPhone 4 on baseband 01.59.00 [02.10.04 – 03.10.01 – 04.10.01 not supported] .
- Unlock can be lost with during updating to latest firmware
Read more about Ultrasnow Unlocking
2. Gevey Sim Unlock : This method works by implementing a hardware unlock procedure in which the Gevey Sim Interposer is used to make calls to a predefined emergency number which is allowed on all locked mobile phones . As soon as the call is made , the interposer with its programmed hack will unlock your device .
- Requires no jailbreaking
- Easy to do unlocking method . No skills required .
- Easily available on Amazon and other online sites .
- Can unlock all basebands and Firmware .
- Expensive Unlock Solution
- Fake Gevey Sim available in the market
- If signal is lost while you are out of network locations like inside elevators or underground , you need to redo the complete unlock process .
Read more about How to use Gevey Sim .
3. IMEI Unlock : In this method the provider will take your IMEI number which is unique to every mobile device . This IMEI number will be then put into Apple’s white list , so that the next time you sync your device with iTunes , it will be permanently unlocked .
- Official permanent unlock solution
- Unlock is not lost and works exactly like a factory unlocked iphone .
- Very expensive
- Not very reliable as the source of the unlock is not know .
Read more about IMEI Unlock .
4. AT&T Official Unlock :
iPhone 4 locked to AT&T USA can get their iPhone 4 unlocked if they pay the termination fees or have their account in good standing . Follow the instructions to Unlock iPhone 4 on AT&T .
- Official AT&T unlock solution
- Factory unlocks your iPhone for use with any carrier worldwide .
- Easy unlock method . Just connect to iTunes and update for unlocking
- Requirements include valid purchase proof
5. SAM Unlock – 04.11.08 – 04.12.01
You can install SAM Unlock on your iPhone 4 and iPhone 4S running baseband 04.11.08 , 04.12.01 and older basebands running any firmware . This is one of the easiest and best available option to unlock iPhone .
- Free and easy to install once jailbreak is done
- Works on latest basebands
- Unlocks all carriers
- Jailbreak required
- iTunes firmware update can remove the jailbreak and in the process re-lock the phone
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