How to Unlock iPhone 4 on Baseband 04.12.02 (Telenor Sweden)
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artbeatowy • March 27, 2013 at 8:17am
I am looking for a way to unlock my iPhone 4 with baseband 04.12.02, which is currently locked to Telenor Sweden. How and when can I unlock this device for use on other carriers?
Answers
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iClarified • January 13, 2026 at 1:19am
For the iPhone 4 on baseband 04.12.02, there is no software-based unlock (like Ultrasn0w) available. The most reliable and permanent method is an official IMEI carrier unlock. You should contact Telenor Sweden directly to request an unlock. Many carriers will unlock older devices like the iPhone 4 for free or a small fee if the contract has been fulfilled. Once Telenor processes the request, you can complete the unlock by connecting the phone to iTunes with a SIM card from a different carrier inserted. Avoid third-party software downloads that claim to unlock this specific baseband, as they are usually ineffective or malicious.