If your Nokia 6275i is currently locked to a particular network carrier but you want to switch to another one, you'll need to unlock the phone. A number of websites offer unlock codes for Nokia phones for a small fee. You will have to provide them with your phone's IMEI number, which is like an ID number for a cell phone.
Instructions
1. Find out your Nokia 6275i's IMEI number. Dial "*#06#" and the IMEI number will appear on the phone's screen.
2. Go to a website that provides unlock codes for Nokia 6275i. Some of these websites include Unlocking, Mobile Unlock Solutions and Online GSM Unlock (see References for links).
3. Select your country and carrier from the dropdown lists on any of the websites. Once you provide this information, the website will tell you the price of the code (usually between $12 and $15, as of August 2010).
4. Proceed by clicking the "Unlock Now"/"Register" button. You will have to provide information including your name, phone number, email address and the cell phone's IMEI number.
5. Make the payment on the next page through your credit card, for which you will have to provide credit card number, expiration date and card holder's name
6. Check your email. You should receive the code from the respective website within a few hours.
7. Enter the code in the phone. First, power on the phone without any SIM card and enter the code in the format "#pw+CODE+1#." You will then see the message "SIM Restriction Off."
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