Home and Recent Apps key laggy

[A172]

hi i got a z2 this week and everything works fine just this one annoying issue. The home and recent apps on screen keys are laggy. Sometimes they work good, most times they lag.

The phone shipped with 4.4.2 .314 and had the issue right out the box. I updated to 4.4.4 the same night and no change. I downgraded back to 4.4.2 and same issue. Did factory resets etc.

Is there any official word on what is causing this? I live in the Caribbean so sending this to a repair centre is out of the question. Just hoping it's a software issue that can be fixed.

Any help?

[Uliwooly]

Do you have an antivirus or taskiller apps?

[A172]

no nothing like that. phone is completely untouched.

[Uliwooly]

Re-install the latest update with PCC and check again 

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355

[A172 · Accepted solution]

yes i did this

the home key lag has gone completely, still get a tiny lag sometimes with the recent apps key but nothing as noticeable as before

[Uliwooly]

Glad to hear that 

[biistu]

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@uliwooly wrote:

Re-install the latest update with PCC and check again 

PC Companion (PCC)

This did not fix the issue for me. I have even sent my phone to repair about the issue. Every Z2 I have used have this issue (around 5 phones). The lag varies by the amount of apps and which apps you have running at the moment. It is not _Really_ fixable by factory reset. I have done it to my phone three (3) times and one warranty repair and no change.