Blackberry error 523 solutions

for those of you Blackberry users are upset because error523, caused by alt + THMN and there were crashes of a particular application.
This problem is often found in some people using blackberries Jave.

The solution is quite complicated, because backup data is difficult, even I could not.
Because hangs directly connect with DM.

The solution is the wrong one: Blackberry reinstall the firmware.