To unlock the OBEX on your V710, if you have the right version, follow these steps and it should work.
Press the menu button and then 048263*.(Do this rather quickly)
Enter 54* and press Ok. This will dim the backlight.
Press the camera button and the backlight will come on and you should see SUCCESS.
If this doesn't work then your software is a little different than mine and probably can't be unlocked.
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To unlock the OBEX on your V710, if you have the right version, follow these steps and it should work.
Press the menu button and then 048263*.(Do this rather quickly)
Enter 54* and press Ok. This will dim the backlight.
Press the camera button and the backlight will come on and you should see SUCCESS.
If this doesn't work then your software is a little different than mine and probably can't be unlocked.