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Thread: Upgrade & Downgrade
11-11-2012, 10:11 AM #1Upgrade & Downgrade
Let me explain everything before I ask questions. I have t iphones 3gs currently running 5.0.1, they both have 06.15.00 baseband,. I bought one jailbroken and the other I did it myself using redsnow.
One of them can not connect to cydia anymore. I want to update to 5.1.1 because some aplications can't update anymore. I also want to downgrade my baseband to make the gps work.
If I downgrade the baseband will the gps work?
I have been reading about it. Apparently, I can use absinthe 2 (easier than redsnow) to jailbreak but I think I need to use redsnow because absinthe don't hacktivate, I don't have a att sim to activate it.
What should I useto jailbrake, Any suggestion? can I activate with a tmobile card?
I also installed itunes to do it but for some reason when I try to restore the phone itunes can't see the file because is a zip file instead of an ipsw file.
Am I doing something wrong?
I tried with a laptop with XP and also with a desktop with windows 7 x64 same results.
Thanks for your help.
11-11-2012, 06:11 PM #2
11-11-2012, 06:43 PM #3
I was able to downgrade the baseband on the phone using redsn0w_win_0.9.14b2.
I need to drive around so I check if the gps works.
I was using Internet explorer so it download as zip file, apparently all I need to do is change the file extension and itunes will be able to see it.
I found this video, How To: Hacktivate iPhone 3GS & 4 on 5.1.1 (Activate without Sim Card) | iHelpCorner
If I want to upgrade to 5.1.1 do I need to follow those directions or use itunes to restore with the new file 5.1.1 then jailbrake?