[Tutorial] <Ziphone 2.2, Downgrade BL; Unlock with Mac

**Number_41** · 02-15-2008 06:07 AM

Machttp://iclarified.com/entry/index.php?enid=675
Downgrade Blhttp://iclarified.com/entry/index.php?enid=678
Windowshttp://iclarified.com/entry/index.php?enid=666

N41

2.2 Has been released.
http://rapid$hare.com/files/91949327/ZiPhone2.2.zip

Wait for a new tutorial if you wish.

**americano528** · 02-15-2008 06:20 AM

I just downloaded the 2.2 and have tried it but with no success. I have 2 iphones I need help with.

1. SOLVED!
2. I have my moms iPhone which has the Apple logo as well as the iPhone loading logo on top of it.

I've tried restoring both iphones but it didn't work. I tried virginizing the #2, but I get mainscript error so I can't do it. I can't even access the installer on the #1

Any tips and help would be much appreciated!

By the way, I tried doing ziphone -v -a -j but it didn't work on either one... I also tried the GUI version with no success either

**mofazal** · 02-15-2008 06:35 AM

Has anyone managed to downgrade their Bootloader successfully?

Also wondering if this downgrading would apply to the 16GB version

**jawnsixteen** · 02-15-2008 06:45 AM

i have a question, why would you want to downgrade the bootloader in the first place?

**badpunk6** · 02-15-2008 06:46 AM

wow! i have no idea what I'm doing when comes to this stuff, but all I had to do was restore to 1.1.3 through itunes and then run this prog and that was it. great stuff!

**mofazal** · 02-15-2008 06:51 AM

Originally Posted by jawnsixteen

i have a question, why would you want to downgrade the bootloader in the first place?

I was wondering the same thing until i read this on iClarified

"Why would you still want to do this? The 04.03.13 baseband can be unlocked on 3.9 BL. This means you can have Google Locater working. Also, all old secpacks will not validate on 4.6. The 4.6 Bootloader requires a secpack of a newer version to let you do things with the baseband; whereas, the 3.9 BL requires the same version OR newer."

**donky** · 02-15-2008 06:55 AM

THIS is cool. ONCE again hacking iphone has becomemeasier than ever!!!

**NuKeZ** · 02-15-2008 06:56 AM

For all those that do need help..I will help if you msg me on AIM or MSN

AIM - Teh BRown Guy
MSN - jobbeh@gmail.com

feel free to ask me..i'll do all i can to help

**jawnsixteen** · 02-15-2008 07:01 AM

...yea

but if you restore and phone to 1.1.3 (therefore updating the baseband)

or if you start out as OTB 1.1.3 (new everything)

ziphone unlocks it, ziphone unlocks everything.

the only way i'm wrong is if ziphone doesnt unlock OTB 1.1.3, imm almost 1000% positive it does

**dtube** · 02-15-2008 07:14 AM

Originally Posted by mofazal

I was wondering the same thing until i read this on iClarified

"Why would you still want to do this? The 04.03.13 baseband can be unlocked on 3.9 BL. This means you can have Google Locater working. Also, all old secpacks will not validate on 4.6. The 4.6 Bootloader requires a secpack of a newer version to let you do things with the baseband; whereas, the 3.9 BL requires the same version OR newer."

The above reason is why people want to downgrade to BL 3.9.
But ... here's the catch:

Once downgraded to 3.9, you cannot upgrade back to 4.6 (not yet)

GeoHot is testing his BL 4.6_GEOMOD. I don't know if it will ever be available but you may want to hold on the BL downgrade.

Why can't you upgrade back to 4.6 BL from 3.9?
Because GeoHot did not find the exploit in BL 3.9 (at least not yet).

So if you ever want to go from 3.9 to 4.6, you may be stuck.