Originally Posted by six_storm
Unless you have to jailbreak, upgrade to the latest. I just sat at my desk and played for 30 minutes, no problems.
I prefer to jailbreak as it gives me access to things like SBSettings that I hate being without. There's a tethered jailbreak for iOS 5.0.1 that I will switch to tonight. It's not my phone, so tethering isn't that big of a deal.