iPhone OS 2.2 Re-Locking Some Legally Unlocked Phones? (flag)
www.iphoneatlas.com — While the issue is not universal, some users are reporting a problem in which the iPhone OS 2.2 update locks legally unlocked iPhones (sold in Hong Kong, certain countries in Europe and elsewhere). The issue may occur if a legally unlocked phone is bought in one country then updated to OS 2.2 ...
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iPhone 2.2 OS reportedly locking Apple-unlocked iPhone 3Gs
IntoMobile - Cell Phone News, Information, and Analysis — ... from HK, and I just upgraded to iPhone 2.2, but it seems my phone is locked now. On the phone it says emergency calls only and iTunes is saying not supported SIM.” It’s likely safe to assume that the majority of unlocked iPhone 3G owners out there have already updated to the iPhone 2.2 OS without any problems. But, if you’ve found that your unlocked iPhone 3G is no longer playing nice with your GSM network, it might be that iPhone 2.2 OS update. [Via: iPhone Atlas] Related News from IntoMobile: Unlocked Apple ...

Apple iPhones legal unlocked are locked again by 2.2 update?
Phones Review — ... if a legally unlocked Apple iPhone is purchased in one country then updated to OS 2.2 in another country. So far countries reporting this issue are Hong Kong, certain European countries and others. Reports coming into an Apple discussion thread go like…I bought my iPhone 3G legally unlocked from HK, and I just upgraded to iPhone 2.2, but it seems my phone is locked now. On the phone it says emergency calls only and iTunes is saying not supported SIM. Source – iphoneatlas ...

Related: iphone locking after 2.2 os
Unlocking the iPhone 2.2, Vietnamese-StyleUbergizmo
Apple has made it really to unlock the iPhone since version 2.2. Unlocking the device would allow the owner to use any SIM card he or she please. A Small shop in Vietnam has an risky approach to unlock the phone: remove the chip and and change the locking setting by reading the chip data to ...