I'm having a problem with proximity switch!!!!!!!

[Shanks2209]

 I'm having a problem that when I try to answer or do calls if I put the phone to my ear then remove then put it again and remove one more time, the screen get black and all the cellphone freezes.In ICS it normal but i don't like ICS, it so lag and the camera so bad 

[_alexdon_]

Do you have a screen protector?

[Shanks2209]

yes i also remove it ,but it still not working

[_alexdon_]

Check if the same occurs in safe mode:

http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008

[Shanks2209]

i'm using ICS so it works good but i'm not try safe mode in GB. do you have any method to resolve that. My E.L is not good  

[_alexdon_]

Perform a software repair:

http://www.sonymobile.com/gb/tools/pc-companion/

[Shanks2209]

When i repair it upgrade my phone to 4.0.4 build 6.1.B1.54 but i want it repair my firmware 2.3.7 

[_alexdon_]

That is not possible,PCC will always install latest firmware possible.If you want 2.3.7,you need to flash it.