I attempted this on a 3gs running 4.3.1 with BB 05.16.02. I thought it was successful, but it hasn't actually worked so far. Here's a brief summary of what I've done.
1. Followed the page 1 instructions exactly using the "replace" rather than "modify" method.
After a couple reboots, I still was not seeing the toggle to enable tethering so I kept searching and moved on to:
2. Modified com.apple.MobileInternetSharing.plist to change the value from 1021 to 1023
This enabled the toggle and seemed to be working. I was no longer seeing "Set up Personal Hotspot". However, after actually attempting to use USB and then Bluetooth tethering, my settings page reverted to "Set up Personal Hotspot" and I'm being prompted to call or go to the website again. My toggle also disappeared. After another reboot, it hasn't changed.
1. Followed the page 1 instructions exactly using the "replace" rather than "modify" method.
After a couple reboots, I still was not seeing the toggle to enable tethering so I kept searching and moved on to:
2. Modified com.apple.MobileInternetSharing.plist to change the value from 1021 to 1023
This enabled the toggle and seemed to be working. I was no longer seeing "Set up Personal Hotspot". However, after actually attempting to use USB and then Bluetooth tethering, my settings page reverted to "Set up Personal Hotspot" and I'm being prompted to call or go to the website again. My toggle also disappeared. After another reboot, it hasn't changed.
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