BT is a business, broadband and mobile broadband provider in the United Kingdom. BT locks the 3G USB wireless modems they sell with their service plans. This prohibits the modems from being used with any other service provider. If you want to use the 3G modem in a country where BT does not offer service, or if your BT contract is up and want to use the modem with another service provider, you must first unlock the modem.
Instructions
1. When you purchase a 3G USB modem, register it with an Internet service provider. If you purchased the 3G USB modem directly from the manufacturer, it is not locked to a specific service provider. If you bought it directly from a service provider, it is locked to the provider's network, which means you can only use that particular network. To use another service provider, unlock the 3G USB modem.
2. Contact your local BT service provider or visit BT's website and send an email requesting the contact information for your local BT service provider.
3. Gather your contract information and have it ready for your phone conversation.
4. Ask to speak with a wireless broadband representative and explain your need to unlock the 3G modem. In most cases the agent will be happy to help you unlock the modem.
5. Pay any agreed-upon charge for unlocking the modem. Follow the steps given by the agent.
Unlock Software
6. Navigate to an unlock software website.
7. Find the identifying IEMI number located on the USB modem. This is a 15-digit identification number placed on all cellular phones and mobile broadband devices. It can be located on the underside, side or upper side of the modem.
8. Choose the manufacturer of the USB modem, as BT works with several manufacturers. There will be a list of manufacturers from which to choose on the website. This information is found on the USB modem, either on the top or bottom side.
9. Click "Add to Cart" and pay the unlock code fee and select the USB dongle manufacturer. Wait for the unlock instructions to be emailed to your email address.
10. Print out the unlock instructions and follow them carefully.
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