Siemens C35i Problems! Help Please!

Hi ppl!

Hi have a siemens C35i, that the On/Off button only works when i turn it on! Then none of the keypad works! I'm not even able to turn it off! To turn it off i need to take off the bat.
I flashed it with a flash from a working C35, same HC, EEPROM area included, but this didn't fix anything! I thought that the problem was in the EEPROM, but i think it not!
Anyone knows how to fix this?

Oh, also i have another C35 whose speaker don't work!
When i call to some m8 he can hear me, but i CANNOT hear him!
how can i fix this?

Tnx