Restore 4.2.1. fresh.

**AmadeusKaelPyralis** · 03-10-2011, 11:26 AM

So I have a problem.

I jailbroke 4.2.1 on my iPhone 4 with GreenPoison. Eventually, Cydia began having issues where if I tapped on "Packages" it would crash and shut down. I could live with that... but now the Mail App is frozen out (greyed) so I cannot turn off Push, or edit my mail information. My battery is dying from this every 15 minute searching for new mail crap. So I thought I would restore and jailbreak again to fix it.

Problem is, 4.3 iOS came out. I cannot restore to 4.2.1 anymore through iTunes!

Can I get some help with restoring to 4.2.1 (if possible)? The jailbreak I got covered... but I cannot restore to 4.2.1 to get the jailbreak working.

P.S., just using GreenPoison again did nothing...

Thank-you in advance.

**Simon** · 03-10-2011, 11:56 AM

Download 4.2.1 manually (downloads section at top of page) and shift/option restore to it in itunes.

**HappyTroller** · 03-10-2011, 12:08 PM

Same as x98

**AmadeusKaelPyralis** · 03-10-2011, 12:30 PM

Genius!

One problem. It comes as a ZIP... which is not an IPSW.
There are a boat load of files in there that are also not an IPSW.

**Simon** · 03-10-2011, 12:35 PM

Either rename the extension from .zip to .ipsw or redownload it with firefox.

**AmadeusKaelPyralis** · 03-10-2011, 01:15 PM

Wow... I was so stupid about this. LOL
Why didn't I think of unhiding file extentions and renaming it? Not like I didn't do it with my 3G 3.1.2 and Limerain.

Thanks you two! Sorry for my absentmindedness. You two are awesome!

**Simon** · 03-10-2011, 01:54 PM

no prob

**HappyTroller** · 03-10-2011, 04:57 PM

x98car i hate that you are always faster than me. Lol i want to help too.

**Simon** · 03-10-2011, 05:05 PM

Sorry bud. Go ahead

**Kelso8213** · 03-19-2011, 06:08 PM

i downloaded it......what do i do next?

**i.Annie** · 03-19-2011, 10:13 PM

Are you asking how to restore to 4.2.1? Do you have your SHSHs saved.

**P91** · 03-20-2011, 11:32 AM

Originally Posted by Kelso8213

i downloaded it......what do i do next?

Same here I got the file but how do u use it

**thedigi1** · 03-20-2011, 01:35 PM

I learned this last night! Make sure your shsh are saved. download this first to make sure your shsh are saved then we can go from there.

The Firmware Umbrella - TinyUmbrella

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Restore 4.2.1. fresh.

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