INSTALL button gets disabled

[sarang]

Whenever I try to install a software other than market The INSTALL button gets disabled.. Obviously I checked the option of allowing installation from unknown sources still

.wen i teboot then it wrks n den again stops

Wen play hd games sometimes media volume cant be chmged it fixes... Rocker buttons wont work.. Already replaced it once.. This is the second phone.. Am fed up... I would never recommend sony to anyone 😞

[pradeeprk4]

For install button

If you have any screen filters enabled,  disable them. It worked when I had the same problem.

[Markus1]

So, after a reboot you can install these apps, but then after some time (?) the problem is back?

Have you ever had this problem with apps from Play Store or have all these always worked?

What do you mean with the "rocker buttons"?

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[sarang]

did wrk for some tym then again the same problem,....thanks by the way...

Whats the problem with rocker button...

and i have dirty looking lines in the transparent strip...if i keep anything opaque behind it looks horrible....What should I do....??????????//

[sarang]

Yeah after reboot it wrks for some tym then again the same problem arises...

and we dont have to clock install button when we download from market, it happns with the apps other than market,

By rocker I mean Volume Buttons, Gets disabled sometimes and have to reboot,

did software upgrades from service centre ...still problem is there...

also there is i have dirty looking lines in the transparent strip...if i keep anything opaque behind it looks horrible....those are inside the glass...cant be cleaned....what are these....plz help PLEASE

[Gnaver]

I had this problem too. In my case the problem was Screen filter app that i used for disabling the illumination bar. After disabling the screen filter it was ok. Now i deleted the app and never had this problem...And about HW keys. Today i had problem with power button. Dunno if the phone get stuck or it was power key problem but i cant wake it up. I had to remove battery and now its fine.