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Discussion Starter #1
Just curious. Is it safe to jailbreak an iphone with iOS 4 yet
 

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Currently depends on the model. For any iPhone 3G it seems that its relatively easy to do. For the 3GS it is a bit more tricky, you'll have to upgrade using a custom made 4.0 firmware using one of the jailbreak tools, and do the upgrade from an iPhone currently running 3.1.2 (or lower?).

It does sound like there will be a new spirit like JB coming for any iPhone thats actually running 4.0.
 

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Yes. I have a 3G jailbroken, but not really doing much with it because it runs like a slug. First I had multi tasking and the home screen wall paper on, and it requires you to manually close apps to keep performance reasonable. I yesterday re-jailbroke to turn multi tasking off but it does not seem to run much better. I will try to run with SBSettings today.

The home screen wallpaper slows down performance a bit as Apple using drop shadows on the icon text to make it readable on bright wallpapers.

3GS will hum along nicely I would imagine. Its much more powerful.

If you have a 3G, jailbreaking is rather pointless right now it seems but I have not mucked around much.

Why are you looking to jailbreak?
 

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Discussion Starter #4
for mywi app
 

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ah. Id imagine that would run well on the 3G. I will try it out today too.

update: I removed background wallpaper and it seems to run much better. Moving around the icon screens and into the search screen are quicker. Might turn on multitasking again to see how it goes.

I added SBSettings and it works much better than it did with iOS 2.x. I never bothered to jailbreak 3.x.
 

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I used MyWi earlier today on BC Ferries, and it worked fine (3G iPhone).

However, I've found the phone sluggish and exhibiting odd behaviour (I wasn't getting voicemail, for example); everything has been fixable simply by doing a full power-cycle reboot. So I'm just doing that first thing in the morning and it seems to be less buggy.

I might do it again and turn off the wallpaper, as polaris pointed out - it just seems to kill performance.
 
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