The Sony Ericsson P1i is a qual-band Global Systems for Mobile Communications (GSM) compatible cellular telephone that is capable of operating at 900, 1800, 1900 and 2100 Megahertz. The Sony Ericsson P1i was originally released in July of 2007 and features a colour display, a QWERTY keyboard, 3G high speed data compatibility, a speakerphone, a touch screen input with a stylus and handwriting recognition and a 3-megapixel digital camera. The Sony Ericsson P1i is typically sold with a carrier lock that prevents use with other Subscriber Identity Modules (SIM) cards. If you would like to use the phone on another cellular service provider's network, you need to unlock the Sony Ericcson P1i.
- Skill level:
- Moderately Easy
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Things you need
- Sony Ericsson P1i
Call your cellular service provider and request the unlock code for your Sony Ericsson P1i. In the United States, cellular service providers will generally provide you with the unlock code free of charge if your have an active account in good standing. Alternatively, you can purchase the unlock code from several companies that specialise in selling unlock codes for mobile phones. To find one of these companies, perform an Internet search for "Mobile phone unlock company." Write down the unlock code.
Remove the SIM card from your Sony Ericsson P1i. Slide the back cover off the phone and pull the battery out of the phone. The SIM card is located under the battery. Once you have removed the SIM card replace the battery and back cover. Power on your Sony Ericsson P1i.
Press the left arrow key on your Sony Ericsson P1i key pad. Now press the "*" key twice and then press the left arrow key again. Your Sony Ericsson P1i will display the message "Personalize with MNC2."
Type the unlock code you wrote down in Step #1 using the Sony Ericsson P1i key pad. Your phone is now unlocked and you can use your phone with any compatible GSM carrier's SIM card.
Tips and warnings
- Take care when entering the unlock code on your Sony Ericsson P1i. Too many unsuccessful unlock attempts will result in a permanently disabled phone.
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