Add MMS but keep tether option?

[aerospace]

Possible on AT&T, yes/no? If so please advise thanks =)

Have not jailbroken but could if needed and not to complex.

 

[eye.surgeon]

I did it and it my benm tether still works...
https://forums.macrumors.com/threads/792908/

 

[gforce216]

I think people who have 3.0 and 3.0.1 have been able to keep their tether from the benm hack and then finding the 5.5 profile online to download.

 

[aerospace]

Thanks much!