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iPhone Baseband Download Failed

N

nwana

macrumors newbie
Original poster
Sep 17, 2013
2
0
Hi Guys, I have an iphone 3GS, Running IOS 6.13, Baseband 06.15.00, the phone is factory locked, and I have to downgrade baseband in order to get the Ultrasnow Unlock on Cydia. I have already downloaded Cydia on the phone, but the problem is when I have to downgrade it, After selecting Downgrade Baseband, it says ''Baseband Downgrade failed'' I do have the right IPSW files and Latest version of ultrasnow

Is there a way to fix this problem? I will appreciate your help guys.
 
TriJetHero

TriJetHero

macrumors 601
Oct 13, 2010
4,959
144
World
You can use ultrasn0w ith the ipad BB as well, but you will not have GPS functionality.

Try this with redsn0w 09.15b3

you need the 6.0 IPSW, select that first in Extras,select IPSW
then go to Jailbreak, hit Jailbreak and select downgrade ipad BB ONLY.
 
N

nwana

macrumors newbie
Original poster
Sep 17, 2013
2
0
Hi TriJetHero,

Thanks for your advice, I have those two files and done the steps as you wrote, but after I have put my phone on DFU mode, it brings an error messages "Baseband Downgrade Failed"

Then it stops from there....

----------

I did the process, and it fails just after i have selected Downgrade baseband?
Can it it be that I didn't run Cydia as Administrator rather?
 
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