Warning: ultrasn0w May Break GPS on Baseband 6.15.00
The Dev-Team is warning about a potential issue with ultrasn0w for iOS 4.2.1 on iPhones with the 06.15.00 baseband. An increasing number of users with that version of the baseband software are reportedly losing GPS functionality when they unlock their device. The blog post says they are looking for the root cause but haven’t found it yet, and notes that it’s not a problem for all or even most users with that baseband. Still, to be on the safe side, they’re suggesting people should just not expect GPS to work if they want to unlock iPhones with the 06.15.00 baseband using ultrasn0w:
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Update #5: Unlockers have been reporting mixed results about GPS functionality at 06.15.00. Until we can track down what differentiates those who retain GPS vs. those who lose it, be conservative and assume you’ll lose GPS at 06.15.00. As we work on finding the cause (and possibly a fix), please report your personal findings in our comments section. (Update: early indications are that while 06.15.00 is capable of GPS, it will require some further hacks. But please still be conservative and assume you will lose GPS at 06.15, in case the hacks don’t work). |
Source: Dev-Team Blog

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Warning: ultrasn0w May Break GPS on Baseband 6.15.00
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they will fix it. they are great
Also overheats the iphone and drain the battery
Typical of those mother fuckers of the Dev Team
You guys put any fucking new news… Check those web site is better iclarifed.com or 9to5mac.com because this fucking website is focking sucks….
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can someone tell me when a jailbreak and unlock will be here for iphone 4 4.2.1 firmware 03.10.01
Im so fucking pissed. 5 or fucking 7 times or whatever that fucking number is.
I CANT FIND ANYTHING ON REDSNOW TO INSTALL FUCKING FUCKING FUCKING FUCKING AS HELL FUCKING 6.15.00 baseband!!! WHAT THE HELL?? All of those fucking troubles I have been through. It almost made me goes fucking insane motherfucker!
Forgive me. You guys are best but not always.
There’s a new solution for iPhone 3g/3gs 6.15.0 GPS loss issue.
Read all about it: http://www.jailbreakiphone3g.com.