If I upgrade my iphone 3 to iOS 4.3 will the iphone still be jailbroken?

Check the website/blog the jailbreak was featured on, there should be something that talks about what iOS it's compatible with.

carlos said:

I just jailbroke my iPhone 3, i have 4.2.1 but i really want to get 4.3 but i still want it to be jailbroken

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If you upgrade your iPhone 3g, two possibilities may happen ;


1. If you have a jail broken iPhone, You will lose your jailbreak
2. If you have an unlocked iPhone, you may lost it too.

Before updating your iPhone , you need to take backup of your data files from your iPhone . After that, use Remote unlocking method to unlock it . It doesn't requires jailbreaking and it is one of the permanent unlocking solution too. After unlocking your iPhone using this method, you can update or downgrade your iphone without any interruption . it won't gets locked again . If you have completed unlocking and updating process, you can use restore service to restore your data files from backup .

Source : Wickedunlock.com