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  • iPhone 4.0 Beta FAQ


    Some popular questions are:

    1. How do I get Beta 4.0!? How much should I PAY for a Dev spot?

    You must first download 4.0 Beta via a torrent file or from the Apple Dev portal. (Search on google)
    You must have access to a dev account. (This forum has Users selling Dev spots. Also see Ebay)
    Anyone can buy a Dev account for $99.00 and they can then add 100 devices
    Prices for Dev spots seem to be a reasonable $5 to $10 donation.

    2. What is a UDID and How do I find it?

    A UDID is each iPhone's Unique Device ID (40 hex characters)
    To find it:
    You connect your iPhone to itunes

    Click on the actual serial numbers for your iPhone in iTunes summary page:
    Serial Number:*9xxxxxxxxxx (11 digits)

    When you click the serial numbers it will change to identifier:
    Identifier (UDID):*xxxxxxxxxxxxxxxxxx.... (40 digits)

    2. Is 4.0 Beta or a real release and when is it being released to the public?

    4.0 is a Beta release for developers to incorporate support for the new capabilities of 4.0 into their software

    The legitimacy of using 4.0 is kind of shady. While apple does allow developers to seed their apps to "testers" who don't have to be developers, apple agreed to allow developers too add up to 100 devices to their lists as to collect crash log info and make debugging much easier.

    Apple do not support or recommend updating at this time (If you are not a developer or tester for a developer). It will not void your warranty but will leave you with a unjailbreakable OS. If you try to update without being on a dev list you may not be able to activate your phone, but some people have managed to circumvent this.

    3. If I upgrade my 3G/3GS phone to 4.0 will it still be unlocked?

    No, and there will not be official Dev Team support for 4.0 jailbreak/unlock until the official 4.0 release.

    4. I upgraded my phone to 4.0 and can't make calls how do I install ultrasn0w or blackrain?

    Due to there not being support for Jailbreaking/Unlocking Installing ultrasn0w or blackra1n is NOT possible.

    5. How do I downgrade the baseband?

    Downgrading the Baseband is NOT Possible.
    Users must wait for the Dev Team to release an Unlock to use other GSM carriers on 4.0.

    6. How do I Unlock/Jailbreak Beta 4.0?

    You cannot Unlock/Jailbreak until the official release for 4.0 comes out and the Dev Team post their update. Beta jailbreaks may come out but will not have official support.

    7. I installed 4.0 Beta on my phone and iTunes won't activate my phone... Help!

    You must have access to a dev account. (This forum has Users selling Dev spots. Also see Ebay)
    Anyone can buy a Dev account for $99.00 and they can then add 100 devices

    8. How do I downgrade from Beta 4.0 to 3.X.X?

    From member rishidhar: I can confirm that I was able to downgrade my Iphone 3GS from 4.0 beta to 3.1.3 (since I did not save my SHSH files) by going to DFU mode and restoring the old firmware using the new ITunes 9.2, The restore fails half way when it tries to downgrade the baseband (which we know does not work). After the restore fails, it puts your phone on the recovery mode loop, to get out of this, I just ran blackra1n when it was on the recovery mode screen, this led to the screen going blank. Keep the sleep/wake and home button pressed until apple logo shows up and it should take you to your home screen eventually. I am currently on 3.1.3 with the new base-band 5.13.03. Hope this helps all the user's on modmyi.com.

    Apple is still signing 3.1.3 so you do not need any special shsh on file to get back to this firmware on a 3GS. Regular 3G users should be able to go back to 3.1.2 as needed.

    9. Does 4.0 Beta upgrade the baseband?

    Yes. There are reports of 5.13.01 out in the wild. It's possible future betas will further upgrade the baseband so no one will be working on an unlock until the final/official release.

    10. Will this Beta version expire?

    Yes. Apple traditionally releases several beta versions before the final public release. Older Beta versions will expire very soon after the replacement is released and you will be forced to upgrade to the most current beta.

    11. Why do I get an error when I install 4.0 beta on windows?

    As of today, April 9, only Mac users can install this onto their iPhone. Windows users will have to wait until Apple fixes the issue.
    This article was originally published in forum thread: iPhone 4.0 Beta FAQ started by Poseidon79 View original post
    Comments 231 Comments
    1. andre2you's Avatar
      andre2you -
      Using the Camera zoom on my 3g iPhone does not work. The picture taken is not zoomed at all but the Camera Zoom (paid app) works perfectly.

      I also notice that battery life has gotten worse. I can't make it a full day on an overnight charge.
    1. DeclanFay's Avatar
      DeclanFay -
      without any physical damage of any sort my iPhone decided to stop accepting a charge (from both USB and wall charger). Spent awhile trying to figure out what it could be then decided to try and 'Reset all settings' before trying anything crazy. For some reason after I did this it began accepting a charge again... very strange.
    1. andre2you's Avatar
      andre2you -
      Quote Originally Posted by DeclanFay View Post
      without any physical damage of any sort my iPhone decided to stop accepting a charge (from both USB and wall charger). Spent awhile trying to figure out what it could be then decided to try and 'Reset all settings' before trying anything crazy. For some reason after I did this it began accepting a charge again... very strange.
      After seeing your reply I checked my phone and discovered that my phone did not charge last night either, so the my battery drainage issue may not be an issue! I had to reset all setting to get the 3G to start taking a charge again. thanks
    1. godsrainbow1984's Avatar
      godsrainbow1984 -
      my battery is also not lasting as long
    1. Cowboy's Avatar
      Cowboy -
      guys this is a beta form so all the crap about wallpaper not work, or the camera zoom get over it there will probably be 2-3 more betas released before its done so far i have had a pretty good experience with it.
    1. andre2you's Avatar
      andre2you -
      Quote Originally Posted by westerman View Post
      guys this is a beta form so all the crap about wallpaper not work, or the camera zoom get over it there will probably be 2-3 more betas released before its done so far i have had a pretty good experience with it.
      Ok, I'm just reporting what I have found and maybe someone has found a way around it, chill out!
    1. Happy Noodle Boy's Avatar
      Happy Noodle Boy -
      Beta intended only for developers to try/test new APIs has crippling bugs, story at 11.
    1. hila47's Avatar
      hila47 -
      hope they will release the next beta soon....
    1. cjzielie's Avatar
      cjzielie -
      Quote Originally Posted by Poseidon79 View Post
      Is your iTunes IP pointed at Apple? Some people have changed it to point to saurik's server which won't verify 4.0 at the moment.

      can u help me get iphone 4.0 os please
    1. iphone8130hak's Avatar
      iphone8130hak -
      4.0 is sweet not to buggy
    1. 2Jaze's Avatar
      2Jaze -
      Using Windows 7, installed using Snow Leopard in VMWare 7.

      So far, my experience:

      -Wallpaper doesn't work...I choose it but it doesn't change on the homescreen OR lockscreen.

      -App store lags heavily if I open it while an app is downloading/installing...and apps take significantly longer to install, but they work.

      -Wifi works just fine

      -"Slide to Power Off" brought me back to the lockscreen a few times, then after Sliding to Unlock, it powered off

      -Spellcheck a bit buggy....had to tap some words 4 and 5 times to get the options up


      -Like someone said, camera zoom not worth it really, I guess it's more geared towards the next gen's better camera...?

      -Multitasking not bad but doesn't hold a candle to Infinidock/Backgrounder combo





      But hey, it's beta so who cares?! Just happy to get it working. Muchas gracias Stealth!
    1. hila47's Avatar
      hila47 -
      about Tap Tap Revenge 3 crashing on startup (on OS 4.0)
      mine still crashes even after today update.. on apps store there is update to verions 3.3.1, mine still crash on loading... damn...
    1. BOMEISTER2000's Avatar
      BOMEISTER2000 -
      kilo011 i used to have that problem and not even a reset settings worked... i played around for a bit and decided to turn on data roaming and it works perfectly now... as for wifi mine connects but the icon doesent appear in the statusbar and nothing will load

      to fix wallpaper home&lock i found to go to wallpaper menu under settings... trying to set it while in pictures app wont work for me
    1. hila47's Avatar
      hila47 -
      about Multitasking,
      i read that Tap Tap Revenge 3 has the option to continue (multitasking) when it's in middle of game (like we saw on apple event).
      finally i was able to make it work on OS 4.0 (it's working only if i shut down location+wifi+3g-data on settings)
      but if i exit in middle of the game it's not continuing.. it's suppose to?
      or what they show on apple event it's "special" version for the event?
    1. shazza.1993's Avatar
      shazza.1993 -
      hey guys, recently (just this morning actually) bought a UDID registration from this snazzy little website called iappledev.com. It was a really good buy and all, almost instant registration. I was just wondering now that they have done that, how can i actually get the new 4.0 beta onto my iPhone if I have a windows PC?
    1. hila47's Avatar
      hila47 -
      Quote Originally Posted by shazza.1993 View Post
      hey guys, recently (just this morning actually) bought a UDID registration from this snazzy little website called iappledev.com. It was a really good buy and all, almost instant registration. I was just wondering now that they have done that, how can i actually get the new 4.0 beta onto my iPhone if I have a windows PC?
      i used this guide.. few times.. and it was OK..
      i used VMWARE 7
      How to update iPhone/iPod Touch to OS 4.0 Beta on Windows | ASR's Tech Blog

      it's possible to fix the "contacts sync" bug on this OS4.0 version?
      my contacts/phonebook at my Google account, there is any way to sync it back?
    1. ProRollers.net's Avatar
      ProRollers.net -
      Got my own developers account access from iPhone/iPad 4.0 Beta, Unlock iPhone/iPad, UDID Registration, Activation & Recovery iPhone - Home problem is i dont know how to use it. i am not sure if my browser is old or what but i can log into the developers account but not sure what to click on. anyone who hasnt tried it out should give it a look, pretty cheap way to stay updated with all the future betas, soon as i fugure it out

      Quote Originally Posted by ProRollers.net View Post
      Got my own developers account access from iPhone/iPad 4.0 Beta, Unlock iPhone/iPad, UDID Registration, Activation & Recovery iPhone - Home problem is i dont know how to use it. i am not sure if my browser is old or what but i can log into the developers account but not sure what to click on. anyone who hasnt tried it out should give it a look, pretty cheap way to stay updated with all the future betas, soon as i fugure it out
      just figured it out, nevermind, i didnt realize that there was a specific "iphone developer" spot, now downloading iphone 4.0 beta. hope all goes well.
    1. hila47's Avatar
      hila47 -
      Here is the contacts sync problem.. now it's worked for me..
      looks like it's just itunes 9.1 bug and not OS-4.0 bug
      Apple - Support - Discussions - Fix for MobileSync crashing on iTunes ...
    1. ProRollers.net's Avatar
      ProRollers.net -
      anyone know of a good tutorial for vmware and how to get iphone 4.0 running on a windows machine?