I know on my Epic 4g the wifi tether app sets up a ad-hoc network and I have several devices that won't connect to it. But when I used a rom that used the native hotspot everything worked flawlessly. I'm on MA7 4.1.2. I tried a AOKP rom which had the hotspot but for some reason regular wifi would not work with any of the roms I tried so I'm back on 4.1.2
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