Unlock Your iPhone 3G / 3GS / 4G Using Globe SIM to Use Smart SIM Card | Kentips.com

Unlock Your iPhone 3G / 3GS / 4G Using Globe SIM to Use Smart SIM Card

July 23, 2011 0 Comments
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I have this very old iPhone 3GS (about 2 year old phone) which I got from a postpaid plan from Globe Communications in the Philippines and I find it useless when it came to using the network for my internet needs. Why? Well my Globe iPhone plan don’t offer unlimited surfing. When I inquire on the nearest Globe center in our place, they didn’t allow me to subscribe for their unlimited surfing plan because according to them it can’t be applied to my iPhone plan. They say that I need to turn off the Cellular Data Network every time I am not using it to avoid unnecessary charges that will really shock you when you receive your bill which I always forget so what I did is I permanently turn off the C.D.N. feature of the iPhone which I find it sucks.

What I did recently is that I jailbreak the iPhone to unlock it so that I could use it with other SIM card like Smart or Sun SIM cards. I have this unlimited surfing plan from Smart and I can really use it on my phone so I begin my quest to unlock the phone. I did several mistakes in the process

Here’s my mistakes in unlocking my iPhone 3Gs to use other SIM Card

  1. I downloaded redsn0w which I downloaded from http://blog.iphone-dev.org/. The problem with redsn0w is you can only use it to jailbreak the iPhone but it will not modify the baseband of the phone which let you use other network providers.

Now what I have done to really unlock my iPhone to use SIM Card? Well here’s what I did.

  1. I downloaded sn0wbreeze from http://ih8sn0w.com/index.php/welcome.snow. It is best so far of the jailbreak untethered tool I’ve used. It can really unlock your iPhone 3GS to use your preferred SIM Card.
  2. Then, I enabled the conversion of the modem firmware of my iPhone 3GS to use iPad 16.15.00 modem firmware version which is necessary if you want your phone to use other networks.
  3. Take note: Once you performed sn0wbreeze on your iPhone, it will void the warranty of your phone and you can  not revert back to its original firmware or update its firmware again using the official Apple update. 

Now, what’s the advantage if I your iPhone is jailbroken and unlocked? You can use awesome apps and install it on your phone all for free. Aside from that you are free to use your iPhone with whatever cellphone network provider that you want.

- kentips

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