iPhone dev team had updated their ultrasn0w iPhone unlock for iPhone 3G/3GS. This update is available on cydia if you’ve added http://repo666.utlrasn0w.com to the sources, which is to fix the issues on iPhone 3G/3GS 3.1.2 with baseband 04.26.08. If your iPhone 3G/3GS was unlocked using ultrasn0w, simply update the ultrasn0w through cydia to fix the sim card carrier name is not showing on the status bar and the roaming problem.
iPhone Dev Team’s Advice – Baseband Reprieve
iPhone 3G/3GS owners who found themselves stuck with version 05.11 of the baseband (either by accident or because they bought it that way) are now in luck! geohot was able to turn the already-public at+xemn crash into an injection vector, which can be used to inject his version of the unlock. The blacksn0w unlock is available for free via Cydia by adding the repository http://blackra1n.com in the Manage->Sources panel. Congratulations, geohot!
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