As rumored Apple has just released iOS 4.0.1 for the iPhone. As usual we recommend NOT updating until more details about the firmware are discovered.

Also it is VERY important that you have your SHSH blobs for 4.0 saved. Apple will stop signing 4.0 in just a few minutes/hours.

Follow one of these tutorials ASAP:
Windows
Mac

It’s thought that the 4.0.1 update will only change how the signal bars are displayed and possibly resolve some bugs. New features will likely be reserved for iOS 4.1. There is no baseband update in 4.0.1 so it will be unlockable.

Related posts:

  1. iOS 4.1 Beta Fixes Inaccurate iPhone Signal Bars
  2. Apple Releases iOS 4.1 Beta to Developers [Update x2]
  3. Apple releases Firmware 3.0.1 for all iPhones to solve security bug on SMS
  4. iOS 4.0 Final is Confirmed Unlockable, Maybe Even For iPhone 4
  5. Cydia 1.0.3030-62 Update

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