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2015-09-24 10:57 PM - edited 2015-09-24 11:04 PM
Since that is a weird issue & after searching a lot of times i don't get a proper solution, i think that is the time to post it.
Touch not working on top notification bar & bottom menu(home, back) bar when device is unlocked. But that is working perfectly when device is locked(on lock-screen).
I already test screen by Xperia Diagnostics, every area of screen working fine.
So, of course that is not a Hardware issue. I already tried with Downgrading to kitkat but that doesn't help.
Thanks in advance
2015-09-25 12:10 AM
Might be one of your apps? Try safe mode.
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2015-09-25 01:44 AM
Hi arifkpi, welcome to the community!
I agree with @Quester on this. Boot the phone in Safe Mode, if the issue was not present in Safe Mode, that indicates it is a third party app causing the issue. In this case exit Safe Mode and then un-install any third party apps you don't need and clear the cache/data for the apps you want to keep. If this doesn't help or you have found that the issue was still present in Safe Mode - you will need to run a software repair on the handset.
2015-10-06 12:24 AM
Hi arifkpi, I am sorry to hear that. I advise running a software repair on the handset as that is likely to resolve the issue. If it doesn't then I advise contacting your local Sony Xperia Customer Care team asap to get the handset inspected.
Here's how to run a software repair using PC Companion.
Open PC Companion > click Start under Backup & Restore to back up data. Once complete, disconnect and power off the phone. Press Start under Support Zone > Phone/Tablet software update > Repair my phone/tablet > Continue > Accept data removal > Next > Wait for prepare > Select model of phone > Follow the connection steps.
I do hope this helps, let us know how you get on.