Update v1.6.2, bug fix for YouTube application and iBooks,
add the verbose mode option in startup that was not present in the old
version, fix to restore this custom iOS 4 from a iDevice
jailbroken with [You must be registered and logged in to see this link.]
and fix the error 2 encountered while restoring the custom.
Edit:
[You must be registered and logged in to see this link.]
for iPhones 3G former iBoot.



Sn0wbreeze of iH8sn0w
is available to customize a firmware jailbroken iOS 4.
Only
for Windows users, for Mac users you have PwnageTool
4.0.1
Sn0wbreeze is only compatible 3G iPhones
(former iBoot), iPhone 3G and iPod Touch 2G (Model not MC).

Sn0wbreeze is a
tool for Windows iH8sn0w creator Ireb.
Like the software Pwnage
Tool for Mac users, it will allow you to customize a firmware jailbreak
your iPhone or iPod Touch.
Include Debs, define a root Cydia, preserve its baseband, to
customize a boot logo, etc. ..

• Compatible only iPhone 3G former iBoot, iPhone 3G and iPod Touch
  2G (Model not MC)
  
• Check the version [You must be registered and logged in to see this link.].
  
• Windows
  XP, Vista and Seven.
  
• Net
  Framework 2.0 minimum.
  
• [You must be registered and logged in to see this link.]
  
• ITunes
  9.2
  
• iOS
  4
  

• 2 modes are
  available: Basic and Expert
  
• The simple mode is a mode
  that lets you build your iOS 4 jailbroken quickly boot Logo iH8sn0w,
  automatic installation of Cydia.
  

Simple
Mode

• Please have
  the firmware file iOS 4. Ipsw
  
• Firmware [You must be registered and logged in to see this link.].
  
• Or
  show your hidden folders and go to C: \ Users \ "find \ AppData \
  Roaming \ Apple Computer \ iTunes \ iPhone Software Updates.
  

• Activation: it concerns people who are not the original SIM
  card operator to activate the iPhone after the restore.
  
• Do
  not confuse unlocked.
  
• An iPhone After restoration needs
  to be activated through iTunes to access the Springboard.
  
• This
  option allows you to activate your iDevice.
  

• Create custom
  firmware iOS 4
  
• File. Ipsw you find on your desktop.
  

Expert
Mode

• Activate
  iPhone iTunes Activation of the iPhone without a SIM card, access to the
  springboard after restoration.
  
• Root partition: the one
  installed applications from Cydia and download via its applications.
  
• Enable
  Background, Multitasking, battery percentage: activate these functions
  of the four models iOS iPhone 3G and iPod Touch 2G.
  
• Make-NOR
  * IPWS olny For users already jailbroken, only his ability to customize
  boot logo and recovery logo.
  

• You can
  install Cydia and Rock.
  
• Rock is an application installer
  as Cydia, fast enough, unless provided in applications.
  
• I
  do not advise you to install the custom, cydia but if necessary after.
  

• You can
  include in your custom firmware applications Cydia (deb file)
  
• But
  beware, many applications currently seem unstable in Cydia iOS 4.
  
• Function
  to add URL repo.
  
• Downdload Packages: click on Refresh
  to view the debs packages.
  
• Function to import an
  application Cydia (file debs) from your PC.
  

• Function to
  add your own boot logo and recovery logo
  
• Function to add the
  verbose mode at startup of the device (unix command line that appears at
  startup, you see what happens instead of having the apple display.)
  
• Note
  the size and image compression.
  

• It will
  include Ultrasn0w
  0.9.3 for unlocked after you restore your custom firmware.
  
• Or
  add url repo: [You must be registered and logged in to see this link.]
  and import the package into your Ultrasn0w 0.9.3 Custom firmware.
  

• Create
  custom firmware iOS 4
  
• File. Ipsw that you find on desktop
  

Installing this custom firmware



- The better condition, be
already jailbroken 3.1.3 or 3.1.2 as
- Since version 1.6.2, a user already jailbroken
with Spirit, can restore a custom made with iOS 4 sn0wbreeze.
- IPhone 3G and iPod
Touch 2G, use [You must be registered and logged in to see this link.]
+ iTunes.
-
IPhone 3G, change the host files: see Saurik
method.

iPhone 3G former iBoot Spirit

• IPhone
  3G Users former iBoot already jailbroken with Spirit, it is possible
  that despite this [You must be registered and logged in to see this link.]
  Sn0wbreeze, restoration of custom iOS 4 creates still does not install.
  

• So before you restore your custom, go to
  Cydia.
  
• Add this repo: [You must be registered and logged in to see this link.]
  
• Then
  install the package Spirit2Pwn (from Criminal90)
  
• Reboot and
  install your custom with iTunes.
  

Restoration

• Turn iDevice. button
  (above) + Home button (bottom)
  
• Then simultaneously press the
  ON button (above) + Home button (bottom)
  
• Keep pressed until the
  USB cable appears on the screen of your device (Fashion Recovry)
  
• Launch
  iTunes
  9.2
  
• Click SHIFT + RESTORE (ALT MAC)
  
• An
  explorer window opens to indicate the firmware. Ipsw created.
  
• The
  restoration begins.
  

If this does not work, try this:

• Connected
  to iDevice to your computer.
  
• Turn iDevice
  
• Switching
  to DFU
  
• Power ON 3sec
  
• ON + Button Home Button 10 sec
  
• Home
  Button only 20 seconds (let go button ON)
  
• The screen is black (DFU
  mode)
  
• Launch
  iTunes 9.2
  
• ITunes detects a device into Restore .SHIFT
  + Restore
  
• Give him the file. Ipsw created with Sn0wbreeze.
  

When the restoration
of the custom is over, finish installing Cydia (Internet access over 3G
or wifi required)

Then install 0.9.3 Cydia [You must be registered and logged in to see this link.]
if need to Unlock your iPhone.

If error 1015.16 try
our posted [You must be registered and logged in to see this link.]
to fix it

NB: I advise you if you
can avoid creating a custom firmware enabled single mode or expert!
This
is potentially better spent when restoring with iTunes and especially
avoid any concern 3G and WiFi.

- Custom Firmware iOS 4
3GS already created and tested!