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Hi folks, I recently upgraded my 3GS to 5.0.1. I had been running 4.3.5 (jailbroken with sn0wbreeze) and had needed to install the iPad baseband to jailbreak it originally in...
02-26-2012, 07:59 AM #1[Solved] No Service after jailbreak and ultrasn0w on 3GS, 5.0.1, 6.15.00
Hi folks, I recently upgraded my 3GS to 5.0.1. I had been running 4.3.5 (jailbroken with sn0wbreeze) and had needed to install the iPad baseband to jailbreak it originally in late 2010.
I went through all the standards steps: updated my firmware through iTunes, jailbroke with the most recent redsn0w (0.9.10b5), and then installed ultrasn0w 1.2.5. However, I didn't get any service after doing that. I went through a number of potential fixes I found online, like reinstalling Mobile Substrate, re-jailbreaking and installing ultrasn0w several times, all the while confirming that my baseband was still 6.15.00 (the iPad baseband).
Turns out the solution was pretty simple: you have to reinstall the iPad baseband with redsn0w, even though the baseband was apparently still installed on my phone. As soon as I did that service was restored.
Note, that when you use redsn0w to install the baseband, you have to ONLY select the baseband option. If you select "Install Cydia" as well (which is selected by default), redsn0w will crash. Also, make sure you have the old bootrom 3GS before installing the iPad baseband. Unfortunately, but not surprisingly, my GPS still does not work. I had a glimmer of hope that updating and reinstalling might fix the GPS problem, but no such luck.
iPhone 3GS (old Bootrom)
5.0.1 (stock installed through iTunes)
6.15.00 (iPad baseband)
02-26-2012, 08:52 AM #2
02-26-2012, 09:05 AM #3
Thanks for clarifying...
02-28-2012, 03:52 PM #4
The iPad also uses a different GPS chip than the iPhone 3G or 3GS so the iPad Base Band renders the iPhone GPS chip useless. No way to get it back.
Having an unlocked phone with no GPS was a fair trade to me though.Badges? We don't need no stinking badges!