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I cant seem to restore to iOS 4.2.1 (from a JB 4.1)

iMattcotv

iMattcotv

macrumors 6502
Original poster
Jun 22, 2010
289
0
Right now as it is, I tried to restore to fresh iOS4.2.1 (from a JB iOS4.1), but it didnt work. I got an Error:

iPhone could not be restored. An Unknown error occured (10)

Now I am stuck looking at the Plug and iTunes logo.

I did restore correctly, I have the latest iTunes, I did turn off firewall, I did put it into DFU mode, I downloaded iOS4.2.1 from Felixbruns.de, in fact I used 3 different iOS 4.2.1 files

WTF?

I cant even seem to downgrade back to iOS 4.1 using the host file IP address method (getting iTunes to talk to Cydias server)

I tried restoring to fresh iOS4.1 and I get:

iPhone could not be restored. An Unknown error occured (1006)

Can you guys please help me out?
 
Do the restore in DFU and not in Restore mode. You can tell you're in DFU because of the blank screen, not the "connect to iTunes" picture.
 
Applejuiced said:
Open up tinyumbrella, go to advanced/uncheck the box "set hosts to cydia on exit" and apply changes.
Then open up itunes and restore to 4.2.1 again. This time it will go thru.
Click to expand...
Why? Apple hasn't stopped signing 4.2.1. This should be unnecessary.
 
Applejuiced said:
Open up tinyumbrella, go to advanced/uncheck the box "set hosts to cydia on exit" and apply changes.
Then open up itunes and restore to 4.2.1 again. This time it will go thru.
Click to expand...

I've heard this works from multiple sources.
 
neko girl said:
Why? Apple hasn't stopped signing 4.2.1. This should be unnecessary.
Click to expand...

That has nothing to do with Apple signing 4.2.1.
His hosts if pointed to cydia then the restore gets stuck cause the baseband doesnt get updated to the 4.2.1 version thus putting the phone in recovery mode and not beeing able to kick out of recovery with TU.
I just went thru the same with a friends i4 updating to 4.2.1 and JB with Greenpoison and that's how it worked;)
 
Applejuiced said:
Open up tinyumbrella, go to advanced/uncheck the box "set hosts to cydia on exit" and apply changes.
Then open up itunes and restore to 4.2.1 again. This time it will go thru.
Here's where to get TU btw http://thefirmwareumbrella.blogspot.com/
Click to expand...

That sounds like it will work, I did exactly that (and also removed the Cydia IP from Hosts) and am trying it now.

I will update on the progress, It usually finishes restoring, checks the software, then QUICKLY finishes the restore and fails (error 10)

FINGURES CROSSED!!!!
 
neko girl said:
Do the restore in DFU and not in Restore mode. You can tell you're in DFU because of the blank screen, not the "connect to iTunes" picture.
Click to expand...

I was doing it in DFU mode (hold power for 2, + home for 10, let go of power and hold home for 15, shift click restore xD)

It never worked, but I am trying it now that I unchecked what I was told to above.

THE SUSPENSE IS KILLING ME SLOWLY.. UGH

EDIT:

****KKKKKKKKKKKKKK

It didnt work -.-

EDIT 2:

Im going to try it in Recovery mode this time, not DFU mode and see what happens.
 
iMattcotv said:
That sounds like it will work, I did exactly that (and also removed the Cydia IP from Hosts) and am trying it now.

I will update on the progress, It usually finishes restoring, checks the software, then QUICKLY finishes the restore and fails (error 10)

FINGURES CROSSED!!!!
Click to expand...

You dont need to do both.
Just do it thru TU settings in order to put back the correct apple hosts redirect.
And then later you can check the box back again if you need to for future use.
Make sure you shut down itunes before you do that with TU and then open it up again for the restore.

neko girl said:
Do the restore in DFU and not in Restore mode. You can tell you're in DFU because of the blank screen, not the "connect to iTunes" picture.
Click to expand...

What difference would that make?
He's just restoring to official firmware. DFU or restore mode will both do the same.
 
@Applejuiced, klamse25, the TU step is needed only if preserving baseband? Or for all upgrades 4.1 -> 4.2.1 for jailbreak?
 
neko girl said:
@Applejuiced, klamse25, the TU step is needed only if preserving baseband? Or for all upgrades 4.1 -> 4.2.1 for jailbreak?
Click to expand...

Girlie, the TU step is just to put the original apple redirect towards apples servers and not on cydias server so the restore will go thru with all baseband and firmware checks.
He's just unchecking a box and shutting down TU and then going thru with a regural restore.;)
 
i was having this problem all day until i realized that tiny umbrella was the reason for the errors for some reason, even though i have my hashes backed up and had the server running. once i changed the host file back to point at apple instead of cydia it worked perfectly. i have no need to keep my baseband, and was just wanting to upgrade, so tu was not needed. ive now run greenpois0n on it and it seems to work great.

EDIT: just read applejuiced's reply... wish i knew that before i tried to figure out where to find and how to edit my host file
 
Last edited:
Applejuiced said:
You dont need to do both.
Just do it thru TU settings in order to put back the correct apple hosts redirect.
And then later you can check the box back again if you need to for future use.
Make sure you shut down itunes before you do that with TU and then open it up again for the restore.
Click to expand...


Alright Im doing exactly what you said, I even restarted my PC to make sure everything iTunes was closed.

If it doesnt work then, Ill uninstall TinyUmbrella, and if it doesnt work THEN

Im going to throw it out my window.

EDIT:

Ok its not working.. WTF?

What is the original Apple IP that is suppose to be in my Host file?

Ill just place it, delete the host umbrella one, and delete umbrella and see if that fixes anything.

Is it 127.0.0.1 ?
 
iMattcotv said:
Alright Im doing exactly what you said, I even restarted my PC to make sure everything iTunes was closed.

If it doesnt work then, Ill uninstall TinyUmbrella, and if it doesnt work THEN

Im going to throw it out my window.
Click to expand...

Just relax, calm and slow down and follow directions slowly without skipping steps.
It will and does work, you just gotta be patient.
Download TU, run tinyumbrella , go to advanced/UNCHECK the box "set hosts to cydia on exit" and apply changes.
Now close TU.
Then open up itunes and hit restore that's all.
You dont need and dont have to uninstall tinymbrella.
Hosts file should be
127.0.0.1 gs.apple.com
Make sure you click save before you exit if you go the manual roote.
 
Applejuiced said:
Just relax, calm and slow down and follow directions slowly without skipping steps.
It will and does work, you just gotta be patient.
Download TU, run tinyumbrella , go to advanced/UNCHECK the box "set hosts to cydia on exit" and apply changes.
Now close TU.
Then open up itunes and hit restore that's all.
You dont need and dont have to uninstall tinymbrella.
Click to expand...

I know and thats the last thing I just tried.

After I got the error message, I opened up my host file and it had the IP that redirects iTunes to Cydia still, shouldnt it have changed?

Im going to try again and see what happens. lol
 
Applejuiced said:
Lol :D
Dude, its not that hard:D
Dont smash the computer or the iphone:D
Click to expand...

Nahh they are both too expensive to destroy..

Anyway, I just tried to restore again when my host file looks like this:

# Copyright (c) 1993-2009 Microsoft Corp.

#

# Blah Blah Blah

# 102.54.94.97 rhino.acme.com # source server

# 38.25.63.10 x.acme.com # x client host


# localhost name resolution is handled within DNS itself.


127.0.0.1 localhost

::1 localhost
127.0.0.1 gs.apple.com

And now its saying that it couldnt restore because it couldnt contact the server. :D

Ill admit, even though this is frustrating, im glad im learning and will eventually get it right Lol
 
Interesting.
If it couldnt contact the server then at least you know you set the hosts correct to point to Apple's activation servers.
Maybe try another computer to update/restore to 4.2.1
One that you havent messed with the hosts file or TU:)
Seems like something on your system is blocking communication between itunes and apples servers.
 
Applejuiced said:
Interesting.
If it couldnt contact the server then at least you know you set the hosts correct to point to Apple's activation servers.
Maybe try another computer to update/restore to 4.2.1
One that you havent messed with the hosts file or TU:)
Seems like something on your system is blocking communication between itunes and apples servers.
Click to expand...

The exact message is this:

"The iPhone "iPhone" cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable."

Ill disable my firewall and try again, do you know anything else that may be blocking it? I have AVG Internet Security 2011 but I dont see anyway of disabling it.

EDIT:

I cant use any other computer because this is the only one I have access to atm.

EDIT 2:

I just disabled AVG AND my firewall and it still isnt working. Hmm..
 
iMattcotv said:
The exact message is this:

"The iPhone "iPhone" cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable."

Ill disable my firewall and try again, do you know anything else that may be blocking it? I have AVG Internet Security 2011 but I dont see anyway of disabling it.

EDIT:

I cant use any other computer because this is the only one I have access to atm.
Click to expand...

Try disabling the firewall or turning off AVG if you can find a way to do so.
You dont have peerblock or peerguardian running right?
 
Applejuiced said:
Try disabling the firewall or turning off AVG if you can find a way to do so.
You dont have peerblock or peerguardian running right?
Click to expand...

I did find a way to disable AVG (for 10 minutes) and did also disable firewall and then tried to restore, but it still returns the "cannot contact server" error.

The only programs I have that I think I know what your talking about is Frostwire and utorrent :D
 
iMattcotv said:
I did find a way to disable AVG (for 10 minutes) and did also disable firewall and then tried to restore, but it still returns the "cannot contact server" error.

The only programs I have that I think I know what your talking about is Frostwire and utorrent :D
Click to expand...

You shut off itunes and restarted it after you disabled all that stuff right?
I dont know what else could be either blocking it or maybe their servers might be busy with everyone restoring, activating and JB 4.2.1
 
Applejuiced said:
You shut off itunes and restarted it after you disabled all that stuff right?
I dont know what else could be either blocking it or maybe their servers might be busy with everyone restoring, activating and JB 4.2.1
Click to expand...

Wow.. Turns out the reason I was getting the server error, was because I didnt put in the # before 127.0.0.1 gs.apple.com.

I just changed that, and now its restoring. HOPE IT WORKS THIS TIME.

I figured I didnt have to place a hash before the IP because I didnt see it for any other one on my list.

Fingures & Feet crossed this time!!!

EDIT:

Ahh I thought it was gonna work for SURE that time.. but I got the Error 10 again..
 
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