Hoe jailbreak je jouw iPhone 4 m.b.v. RedSn0w (Windows) [4.2.1]

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Posted November 23, 2010 at 9:26pm by iClarified

Hier is de gebruiksaanwijzing voor het "jailbreaken" van je iPhone 4 met de 4.2.1 firmware door gebruik te maken van RedSn0w voor Windows. De Mac versie van deze handleiding staat op: here.

Op dit moment zal het alleen mogelijk zijn om een tethered jailbreak uit te voeren. Dit betekend dat je Resdsn0w's hulp nodig hebt om in je "jailbroken" apparaat te komen. Als je een eerdere firmware versie wilt "jailbreaken" kun je bijbehorende handleiding vinden op here.

Voer geen update naar iOS 4.2.1 uit als je een "unlock" nodig hebt omdat deze nog niet beschikbaar is!

Stap Een
Maak een nieuwe folder aan op je bureaublad met de naam Pwnage

Download RedSn0w vanaf here en sla deze op in de Pwnage folder. Download de meest recente 4.2.1 firmware vanaf hieronder en sla op in dezelfde folder.

4.2.1 (4): iPhone3,1_4.2.1_8C148_Restore.ipsw

Extract de redsn0w executable van de RedSn0w zip file in dezelfde folder.

Hoe jailbreak je jouw iPhone 4 m.b.v. RedSn0w (Windows) [4.2.1]

Stap Twee
verbind je iPhone met de computer en start iTunes.

Selecteer je iPhone uit de lijst van apparaten aan de linkerkant. Druk op de Shift en klik op de Herstellen knop. Herstel is aanbevolen omdat onnodig geheugengebruik op je iPhone voorkomt.

Navigeer naar de Pwnage folder op je bureayblad en selecteer het 4.2.1 firmware ipsw bestand. Klik de kiezen knop om verder te gaan.

Stap Drie
Als iTunes de update van je iPhone met de gewenste firmware heeft beëindigd, open de Pwnage folder op je bureaublad en start de redsn0w applicatie vanuit de redsn0w folder die we eerder hebben uitgepakt.

Stap Vier
Klik op de Bladeren knop zodra Redsn0w opstart.

Stap Vijf
Selecteer de 4.2.1 firmware ipsw die we in de Pwnage folder op je bureaublad hebben geplaatst en klik Open.

Stap Zes
Als de firmware is herkend klik op de Volgende knop om verder te gaan.

Stap Zeven
RedSn0w zal de "jailbreak" gegevens nu voorbereiden

Stap Acht
In dit scherm kun je kiezen welke "jailbreak" opties je wilt hebben.

Zorg ervoor dat Cydia is geselecteerd en klik op de Volgende knop om verder te gaan.

Stap Negen
Koppel je iPhone aan de computer en zorg ervoor dat je iPhone UIT staat. Klik daarna pas op de Volgende knop

Stap Tien
RedSn0w zal je nu door de stappen naar de DFU mode leiden. Je kunt meer hulp voor bij de DFU mode vinden op here

Druk zowel de Home kn op als de Power knop in voor 10 seconden.

Laat de Power knop los en houdt de Home knop nog vsat totdat RedSn0w het apparaat herkent.

Stap Elf
Je iPhone zal nu rebooten.

Stap Twaalf
RedSn0w zal dan beginnen met het opladen van de nieuwe RAM Disk en Kernel.

Stap Dertien
Als dit gedaan is zal je een melding krijgen dat RedSn0w gereed is. Klik op de Finish knop. Wanneer je iPhone klaar is met rebooten (ongeveer 5 minuten), is de "jailbreak" compleet met Cydia op het SpringBoard.

BELANGRIJK:
Om Redsn0w te gebruiken voor hulp bij een boot in je "jailbroken" apparaat selecteer je Just boot tethered right now uit de optiescherm en klik Volgende.

*Zoals altijd een grote dank aan het iPhone Dev-Team voor hun harde werken en bijdrage aan de iPhone gemeenschap.

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Mostafa - February 25, 2011 at 5:12pm

Jalbreak process is done succesfully but the iphone is not starting up.it just hangs when i turn it on...PLZ Help

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mo - February 25, 2011 at 5:23pm

why you using redsn0w use GreenPois0n alot better and easyer too.

pjaffar - February 10, 2011 at 1:51pm

I download the iOS4.2.1 from the link above and when i try to update my iphone4 to the new iOS i keep gettin the same error 1001 1002 1003 1004 error message. someone can help me fix it ?

Oskar - February 4, 2011 at 3:58am

Hello! I was succesufull jailbreak my iphone 4 (4.2.1) yesterday. But my problem is that I can not get any service from any operator. Can anybody help me?

Bill Carney - February 3, 2011 at 2:04pm

Need help, JB freezes on Uploading ramdisk

Yammer - February 3, 2011 at 2:06pm

Every time I go through the setup with redsn0w, hold all the buttons as directed, once it gets to the point where it says uploading ramdisk it just freezes. Never moves again. Sometimes on the first bar, sometimes on the fourth, etc... I can't go any further, please advise! Thanks, Yammer

www.ivancovic.com - February 2, 2011 at 4:24pm

uploading ramdisk error, just standing, please help me,,, :(

www.ivancovic.com - February 2, 2011 at 4:26pm

iphone 4 4.2.1,Firmware 03.10.01

Mickey - February 2, 2011 at 12:03pm

Can I jailbreak (factory unlocked, so don't need unlock) my iphone 3gs with 4.1.2 version with this jailbreak? Or does it have to be an iphone 4?

kevin - January 26, 2011 at 2:40pm

whats going on with this jb? i follow the instructions and get it done, but then cydia crashes and my phone reboots and all i get is the apple logo? then i have to reboot my phone, any one else had this?

Mo - January 27, 2011 at 6:53am

After any cydia update or switch your phone off and on again you must boot tethered again.once you get every thing working dont do any more update.it should work fine than.

khim - January 26, 2011 at 12:10am

hi ! i just JB my iphone 4 version 4.2.1 ~ Everything looks fine, one question.. I plug in the iphone to computer, it will not recognize by itunes ? i can't do any sync... It's normal or abnormal? please advise...

Mo - January 26, 2011 at 5:19am

No this very abnormal ,the phone should work fine with any computer you plug in. try different USB port restart you computer and last try the boot tethered again.

Thala - June 3, 2011 at 7:37am

Uinstall the latest itunes n connect it.. ur phone willbe connected with system

ankitvp - January 21, 2011 at 4:23am

i have a factory unlocked iphone4 4.2.1 03.10.01, my question is 1. if i JB it, will i loose the unlock? 2. do i hav to save SHSH using TU? 3. if in future i upgrade it to 4.3 or whatever, will i loose the unlock? Please help...too confused thanx so much

Tara - January 21, 2011 at 6:50pm

You will never lose your unlock by JB or upgrading to a new firmware (4.3 or 4.4 or any). The worst will be that you have to restore using itunes. Your iphone wil aways remain unlocked.

ankitvp - January 21, 2011 at 7:35pm

thanx!! phew!! now I can sleep in peace :)

Ridi - January 2, 2011 at 10:39am

running redsnow, step twelve is running and only fills 10-20% on iphone just standing download jailbreak data and after ~10minutes iphone reboots but redsnow doest finished the step.. whats going on?!

Mo - January 3, 2011 at 4:35pm

Make sure you using a computer with usb2 or change the USB port.give it a go than let me know.

Ridi - January 3, 2011 at 7:50pm

computer hardware is up to date and allrdy using usb 3.0 also 2.0 i'll try soon again

Mo - January 4, 2011 at 5:07pm

Sorry mate don't know what's wrong.try deferant USB port.just done one this morning it toke so many try's too.

fred - December 31, 2010 at 2:45pm

redsonw wont recognoze the ispw file running new iphone 4 4.2.1

jason - December 26, 2010 at 5:31pm

JB seems to have gone through without any problems. I click on the Cydia icon and nothing happens. I do the 'Just boot tethered right now' and I'm able to get into Cydia. If I install any program, it wont finish booting up. It hangs up with the Apple logo. At this point, I'm unable to shut it down completely so I can try to reboot into tethered again, so I have to restore it and start over. Windows 7 64x, redsn0w 9.6b4, iPhone3,1_4.2.1_8C148_Restore Any ideas?

Mo - December 26, 2010 at 6:33pm

When you finish installing cydia don't do any updates and don't restart your iPhone,you can install installus but make sure you Install the right version.

Jay - January 14, 2011 at 3:27am

same problem here!!!

meganOUFC - December 15, 2010 at 5:54am

Hi :) Jailbroke the phone fine, then installed a arsenal theme which then 'cashed' the phone , by that i mean, apple logo for ages then off then apple logog, over and over. so put in recovery mode and restored. now when i try and jailbreak the jailbreak doesnt gp further than stage 2..... waiting for reboot. so never even goes as far as actually jailbreaking the phone ( black screen followed by white writing and then pineapple logo) any help appreciated. thanks

Mo - December 15, 2010 at 4:07pm

Make sure you using a computer with USB 2.0 and make sure the iPhone is activated

MeganOUFC - December 15, 2010 at 6:25pm

Hi thanks for replying. iPhone is 100% activated and how do I know if I have USB 2.0? Thankyou

Mo - December 16, 2010 at 5:30am

When you plug your IPhone to the computer dos it say "The USB device can perform faster if you connect it to a High Speed USB 2.0 port." ??? and try it with a different usb port too this might help.

MeganOUFC - December 16, 2010 at 5:51am

It does say that actually. Just to note j have jailbroken the 3g and the 3gs as well as iPods 1st and 2nd gen no problems on this computer. I hae another latop but it's on windows 7 not xp

Mo - December 16, 2010 at 9:28am

iPhone 4 Need more power from the computer.try it with windows 7 it should be ok.

meganOUFC - December 16, 2010 at 12:38pm

okay, i'll give it a try. thanks again. hopefully that sorts it! .. i've got a question for the iphone 3g now!! over i go to that section lol!

Mo - December 21, 2010 at 7:48am

How did it go ?? did you manage to get it working?

meganOUFC - December 21, 2010 at 11:59am

well my mate wont let me near his phone now to try :/........... oh well im not worried. Now i am having trouble with my iPhone which s a 3g. why are things never easy?? lol

MO - December 21, 2010 at 12:08pm

:) i just got my iphone 4 done and working fine,its not easy and takes some time. nothing is easy in this life man :)

Mo - December 9, 2010 at 3:47pm

I have managed to jb my iphone.but every time I update Cydia it stops working and I have to restore it and do the jb again.now when I get it working again and without updating if u switch the phone off and back on the Internet and cydia don't work again.I have tried every thing but still not working.I think we need to wait for an update or new way of doing it.

MJWJ - December 7, 2010 at 8:22am

I do seem to have trouble loading the 4.2.1 JB redsn0w from windows laptop. iPhone 4 dosn't complete the reboot session, not even after an hour of processing. rebooting in tether option only doens'seem to work either. Any ideas??

meganOUFC - December 13, 2010 at 8:26pm

same here, any ideas?

Bill - December 5, 2010 at 2:19pm

This will lock your phone. It will update your baseband to the most recent, so don't do it if you need to unlock it.

Jjh - December 5, 2010 at 7:19pm

So it means if u want to unlock ur phone, do not jb or update to iOS 4.2.1 right? And btw what's unlock?

scot - January 6, 2011 at 5:01pm

how if I've updated to iOS 4.2.1? so now what can i do? Is there any way to unlock the phone now?

Jjh - December 5, 2010 at 7:47am

Hi guys! I need ur help here... What does it mean by 'Make sure not to update to iOS 4.2.1 if you need an unlock as one is not yet available!' ??? I hav updated my iphone4 to iOS 4.2.1, so does this mean that I am not able to jb my iPhone?

jayson - December 4, 2010 at 1:22pm

Hi anyone canhelp mi??? i JB my phone then the cydia icon is white in color then i restore my phone using the firmware again but i can't jb my phone again.. anyone canhelp??

ceetang - December 6, 2010 at 11:37pm

You must redo redsnow but instead of installing cydia you boot tether

iNathanL - December 17, 2010 at 4:58pm

i have the same problem but that didnt work for me :[

theduce - December 3, 2010 at 7:10am

hei guys, any ideas about why I get an error with itunes ver. 10.1 when i try to restore my iphone4 to 4.2.1..it gives me the error : the iphone "iphone" could not be restored, an unknown error has occurred (1013) . Before this I was running on 4.1 and bb 2.10.04..anyone cand HELP ?

tfg - December 13, 2010 at 12:22pm

Remove gs.apple.com from /etc/hosts. You have tutorials on the net.

bogdan - December 24, 2010 at 6:15am

Try to use another computer, especially if it has Win XP on it. Upgrade to the latest iTunes

Brazil - December 2, 2010 at 3:14pm

Hi! I tried to jailbreak Iphone 4 several times. All times I got an Apple logo after jailbreak process. I've tried so many instructions listed here and another places and no success. Can anyone help me? Thanks!

harsha - December 16, 2010 at 12:28am

me hvn the same problem dude...........my phone is also hanging at that reboot session .....if u get a solution plz let me klnow

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