Guide to Downgrade the iPod touch 2G
Sunday, January 4, 2009
Televisao Brasileira Online
Guide to switch back to an older firmware!
can happen sometimes that we need on our ipod touch 2g, to move from one software to a newer older.
Why you ask ... Well the reasons are varied, in order to make a jailbreak that maybe is not on the new firmware, to return to the previous because the new firmware gives us problems ... etc etc..
I make a premise the downgrade, of course contains the formatting of the device.
This involves loss of all data in it.
Obviously the problem is curbed PRE Backup and restore then it happened (the only flaw is that of course applications that run with the firmware following year, maybe they do not run with the previous one, so some may not work) DISCOVERED IN THE GUIDE ALSO DO THIS FOR DETAILS!
Now we turn to practice:
How to downgrade
First of all we make up our applications:
To back up, we connect our iPod to your computer and open iTunes (if it does not open automatically)
Now click on the right sidebar, our device with the right mouse button, select the option from the menu "Backup" as in the image:
Once this is done, expect the terms of the backup process.
When the backup is finished, and then at the top center is the throne the "apple" ->
proceed with the downgrade itself ... then:
Download the firmware version 2.1.1 from here: Mirror 1 or Mirror 2
When the download is complete,
Let's go back to iTunes and the iPod still connected to the pc by pressing the button "home" key and "On / Off" for ten seconds ->
ignore the message "turn off" and continue to hold until the end of 10 seconds, then release the "On / Off" but we continue to hold the "home!"
continue to press the home button (it only takes about fifteen seconds usually) expect your PC to detect the new hardware and iTunes give us back the message that a iPod is connected in recovery mode -> 
The DFU is a recovery mode different from that in which the word appears in iTunes on your iPod, in fact, this mode allows recovery even in extreme cases! 
In iTunes, hold down the shift key on the keyboard
, click on "Restore" ->
select the file "iPod2, 1_2.1.1_5F138_Restore.ipsw" we have previously downloaded and saved on the desktop and I click "Open."
will now begin the upgrade, and after the ipod will restart with the old (but just put up: P) firmware, iTunes will ask if you configure the iPod as a new terminal or make restore a backup, restore, you can not Asthe software is older, but by selecting "set up as new device" and then clicking on "sync" -> 
Now your ipod touch is back with the firmware you want! We thank our user "base" has been instrumental in testing to try to downgrade!
The tests were carried out on the iTunes version 8.0.1.11, but probably should also go on 8.0.2, otherwise let me know.
any questions or problems you post here, thanks to everyone and good continuation!
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