Download iOS4 (4.0.1) for Apple iPhone 3G, iPhone 3GS, and iPhone 4/4G directly from Apple’s server.
If you don’t know how-to load these iPhone firmware to your iPhone, read this guide: How-to Update iPhone firmware Shift + Restore method
Download iOS4 4.0.1 for iPhone 3G
Download iOS4 4.0.1 for iPhone 3GS
Download iOS4 4.0.1 for iPhone 4/4G
Download iOS4 (4.0) for Apple iPhone 3G, iPhone 3GS, iPhone 4/4G, iPod Touch 2G, iPod Touch 3G directly from Apple’s server.
If you don’t know how-to load these iPhone firmware to your iPhone, read this guide: How-to Update iPhone firmware Shift + Restore method
Download iOS4 4.0 for iPod Touch 2G
Download iOS4 4.0 for iPod Touch 3G
Download iOS4 4.0 for iPhone 3G
Download iOS4 4.0 for iPhone 3GS
Download iOS4 4.0 for iPhone 4/4G
This article is explaining how is the process of iPhone firmware verification while restoring through iTunes.
Understanding the iTunes verification server
By iGuru – Version 1.1 – 26th September 2009
Visit http://www.macdotnub.co.cc/articles/ for the latest version.
Dedicated to: Jay Freeman (Saurik), semaphore and Apple.
Background:
With the introduction of the iPhone 3G[S] (3GS, not 3G) Apple introduced a new feature – restore verification.
This process relies on specific data that is unique to each phone, including the iPhone 3G[S]’ ECID, a new ID that is unique to every phone produced.
How the verification process works:
Continue reading…
If you did activate iPhone without official SIM card, or Jailbreak iPhone 4 using JailbreakMe, or unlock iPhone 4 by using ultrasn0w (I’m not sure which one is causing this problem), then you might have similar problem.
When you are trying to change/swap SIM card on jailbroken iPhone, it will show these screens:
Different SIM Detected. Please connect to iTunes.
and
Although it says Emergency screen, it has been fully unlocked and I can still receive any phone call with this iPhone. This screen will go away if I remove my “unofficial” sim card from iPhone. But, that is the main problem that I’m going to use “unofficial” sim card on my iPhone, and I can’t use any non-official sim card, if the iPhone always says Different SIM detected whenever I swap my sim card.
So, here is a simple solution how-to fix “Different SIM detected. Please connect to iTunes” on jailbroken iPhone.
Continue reading…
Recent Comments