I'm headed to Europe for a few months and was planning on taking my iphone 4 and getting a new SIM card there. I have baseband 04.10.01 and version 4.3.3. I did read the "check if you can unlock" thread, so I know that it's not yet possible. Two quick questions - is there a way for me to downgrade the baseband and version to make this possible, or do I just need to wait?