If I upgrade my unlocked iPhone 3G vs. 3.1.3 for the software, it will block it?

I want to play pac-man!

Whenever you perform a firmware update you will lose your jailbreak and unlock your. You have to do that all over again. Try the links below will guide you through the programs needed to address your particular firmware / bootloader combination if it is possible: http://www.iclarified.com/entry/index.php?enid=8603 http://www.jailbreakmatrix.com/ I am in no way affiliated with these sites and get nothing in return if you go there. There is some sites I have met and I'm passing them along. No Strings Attached and foremost, it is recommended that you back up your blobs SHSH for future needs: How do I use to record TinyUmbrella Blobs your iOS4 SHSH: How to backup http://www.iclarified.com/entry/index.php?enid=10249 Blobs SHSH iPhone using firmware Umbrella (Windows): How to back http://www.iclarified.com/entry/index.php?enid=9194 Blobs SHSH iPhone using firmware Umbrella (Mac): http://www.iclarified.com/entry/index.php? enid = 9189 How to find your iPhone CDIS (Windows): http://www.iclarified.com/entry/index.php? Enid = 9192 How to find your iPhone (Mac) ECID: http://www.iclarified.com/entry/index.php?enid=9190

Jailbreak & Unlock iPhone 2G On 3.1.3 , Jailbreak iPhone 3g – Redsnow