A: Some wireless providers lock their phones, meaning that their phones have been programmed to only work with their SIM cards. For example, an AT&T locked phone can only be used with an AT&T SIM card. Unlocking is about reversing the programming so that you can use your phone with any SIM card in the world. For example, you could then use your cell phone with T-Mobile , Vodafone, Orange, Rogers , or what ever GSM network.
   

Q: Why unlock a cell phone?

A:

• Freedom to choose the network provider that gives you the cheapest calls and the best service.
• Avoid expensive roaming fees by using a prepaid native SIM while abroad.
• Use 2 SIMs on the same phone, sharing the same phonebook.
  
• Dramatically increase the resale value of your phone. It can now be purchased by people on any network.

A: Borrow a SIM from a friend who has an account with a different wireless service provider and see if it works in your phone or not. If it works, and your phone thinks it is his (or her) phone with that phone's number, then your phone is already unlocked. But if it creates some sort of error message and doesn't work, then your phone is locked.

Q: How do I unlock my cell phone?
   
A: There are several ways to unlock your cell phone but the most convenient and the safest method by far is simply entering the unlock code into your phone. This method is called "unlock by IMEI". We sell cell phone unlock codes for AT&T (Cingular), T-Mobile, and Rogers in our eBay store unlock-cell-phones and include easy to follow instructions on how to enter the code. We can also unlock Motorola cell phones locked to any GSM network in the world!
   

Q: What is GSM?

A: GSM is a type of mobile phone network. The more common type of digital mobile phone service in the US is CDMA, but just about every other country in the world uses primarily or only GSM. The two biggest GSM networks in the US are AT&T (Cingular) and T-Mobile. Only GSM phones can be unlocked.
   

Q: How do I know whether I'm with a GSM network?

A: Go to the following website and look up your country:

gsmworld.com/roaming/gsminfo

If you see your wireless provider, then you are with a GSM network and your cell phone can be unlocked. If not, your cell phone can't be unlocked.
   

Q: Which countries will my unlocked phone work in?

A: Once unlocked, your phone can be used with any SIM card in 207 countries. Please go to this website to see all countries and their GSM network providers:

gsmworld.com/roaming/gsminfo

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Questions? I'm always here to help. Please contact me through eBay.

nsider-Solutions sells cell phone unlock codes for Cingular, AT&T, T-Mobile, Rogers, and many other GSM network providers including unlock codes for Motorola, Blackberry, Samsung, LG, Sony Ericsson, Nokia, Pantech, Audiovox, Smartphones, Goodlink, Handspring Treo, Palm Treo, Siemens, HP, and PalmOne. We have unlock code instructions for every model we unlock.

We can free your cell phone from "locked phone" messages such as:

• Enter Subsidy Code
• Enter Subsidy Password
• Enter SIM Unlock Code (Simlock)
• Contact Service Provider
• Insert Correct Sim Card
• Wrong Sim Card
• Incorrect Sim Card
• Phone Restricted
• Can't Undo Restriction
• Locked Return For Service
• Enter Unlock Code
• Enter Special Code

We also sell software tools for unattended Windows installations (automatic Windows installation) for Vista Ultimate, Premium, and Home Basic, as well as for Windows XP Pro and Home. You can also find discount and alternative software to products from Adobe, Microsoft, and other leading software companies in our eBay store.