keyboard and back button unavailable when talking to phone

[Naderh]

While I am under a phone call if I want to search the browser or sending a text message the keyboard will be unavailable so do the back button will become unavailable

[Phy]

settings, apps, all, phone, clear data, restart your phone.

[Naderh]

I did this now. And when I recieve a phone call i will try it. Thx a lot

[Phy]

Not a problem

[_alexdon_]

Just a quick note,I have seen this before at some of my friends and it was related to a task killer.Keep us updated.

[Naderh]

I will keep you updated

[Naderh]

Dears please note that the solution did not work and my phone stills the same no back button and no keyboard

[_alexdon_]

Can you 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

[Xperyan]

@naderh. Keyboard does not come out and and back button does not work? Welcome to my world.
Although, problem does not occur that often anymore after my 4th Pc companion system repair.
If you want to do this keep in mind that the phone will be wiped clean.

[Naderh]

I will check it using safe mode first and I will send u feedback
thank u all