No longer can you just hold down the home button to force quit applicaitons in iPhone firmware 3.0.  This is due to the iPhone 3GS’s voice control feature.  Apple has changed the way you force quit applications.  First you need to hold down the power button untill you see the slide to power off screen.  THEN you can hold down the home button and your application will force quit.

So you just jailbroke and unlocked your iPhone 3G to work with the new 3.0 firmware only to find out that push is not working?  Well we have a solution for you.  Its not pretty but it works.  I know the iPhone-Dev team is hard at working getting it implemented into RedSn0w.  But for now here are the steps you need to take in order to get push working on your newly jailbroken iPhone.

First thing you need to do is get a AT&T simcard
Put the AT&T Sim card into your iPhone 3G and restore to firmware 3.0.
You will now have an unactivated iPhone 3G, so you will need to jailbreak it with RedSn0w.
Once that is done you will need to turn of 3G.
Go to settings and turn off your 3G.
You will probably see a waiting for activation message. Just ignore it an open up Cydia.
You should get a “Waiting for activation.” message, dismiss it and Open cydia.
Install all of the updates and then restart Cydia.
Next add the Ultrasn0w source repo666.ultrasn0w.com.The Last o is a number zero.
Let Ultrasn0w install and then turn off your iPhone 3G.
Remove the ATT sim and insert your T-Mobile simcard.
When you turn the iPhone 3G back on you will see the message. “iPhone has been activated” and Push will now be working!

So Tethering is not included in the 3.0 firmware for the iPhone 3G from the start.  You need to do a few simple things to enable it.

From your iPhone visit the site: help.benm.at

Go to Tethering & Internet Settings.
Click where it says Mobileconfigs   download >
Choose USA.
Choose T-Mobile.
Then click Install.

You should now have the tethering option when you go to Settings->General->Network

It should also configure MMS for you as well! (note mms does not work on the 2G iPhone unless you get ActivateMMS2G from Cydia.)

It Is Sn0wing in June: UltraSn0w Unlocks All iPhone 3G iPhones!

Yes everyone, it is Tuesday June 23, 2009 at 1:34am (central time) and the iPhone Dev Team has just released ultrasn0w to the public just a couple minutes ago. (We are also the first to break the news, other than the dev team of course)

This is it folks!

1. Ensure you have upgraded to iPhone OS 3.0
2. Jailbreak your iPhone 3G using redsn0w or PwnageTool (this will also install Cydia/Icy)
3. Run Cydia or Icy
4. Please add the repo repo666.ultrasn0w.com to Cydia or Icy. That last “o” is actually the number zero “0”! If you use the letter “o” you’ll get an error.
5. Search for ‘ultrasn0w’ in cydia or icy and install ultrasn0w
6. Reboot your iPhone 3G
7. T-Mobile USA users should disable 3G before using ultrasn0w
8. Enjoy

Good night everyone, and to those waking up to this, good morning and thank you for joining us!

Apple has stated that they “might” fix this in a later seed. Basically, what happened, was that they killed backwards compatibility with anything between 1.0 – 3.0 beta 2! This is a big issue for anyone that has updated to iPhone OS 3.0 beta 3.

Apple has also stated that you cannot develop any applications with 3.0 beta 3 for 2.2.1 consumption. Like I said, big issue here. Almost all developers are on 3.0 right now, so this could get a little ugly.

No one is exactly sure what Apple changed to kill off all compatibility with 3.0 beta 2 and under, but I do have some theories. I believe Apple must have reflashed the bootloader or something in the boot sequence (or DFU) which killed off backwards compatibility.

There is a baseband update in the firmware, but I know this is not the cause. I know this because iPod touch users are also subject to this issue of incompatibility with anything 3.0 beta 2 or below. As you all may know, the iPod touch has no baseband (because it really doesn’t need one, because it doesn’t make calls over the cell network).

So I will keep you all informed on this. So if you are on iPhone OS 3.0 beta 2, I suggest downgrading and abandoning the 3.0 beta ship until they get this resolved.