I bought a P6210 (Brazil) to my wife, then I upgrede it with Kies to the new stock rom for brasilian devices (P6210UBLP6 / P6210ZTOLP2 - 2012 September) and I got the same problem.
My wife uses the tablet only in home. So, I tried another solution: I installed the US firmware (P6210UELPC /...