GingerBread 2.3.3 compass problem?

Question

Android

Question / warning: updating your android phone to version 2.3.3 on many devices (including my Samsung GIO) stops the compass from working normally :(
2 questions:
1) Suddenly someone knows a solution, how can this be fixed without flashing to the old 2.2?
2) How to reflash Samsung GIO to 2.2?

Answer 1

try to recalibrate the sensor, gps test can do