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How to backup baseband?
What is best app and group to get their support.
can it be restored just like original, if I want?
Do many people here, still Jailbreak?
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Need to get my son on this. He did this recently to my wife's 3gs so we could tether it recently when our DSL was out. Wish I had the answers for you. If no one else responds, I'll try to get him on.
I do know we used Tether Me to set up tethering. It did not trigger any nasty messages from AT&T over the few days we used it. Note that it only enables USB and Bluetooth tethering. There is another program that can enable WiFi tethering on a 3gs, but it may trigger problems with AT&T wanting to charge a tethering fee.
Good luck.
- Winston
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You need to know two things before you proceed - the current baseband & current iOS that is installed
Are you just wanting to Jailbreak or are you unlocking too (sounds like it if you are backing up baseband)