Not able to make a security code for my phone

[ernstlu]

When I go into settings security and then screen lock I get the message that settings have stopped, then I have to click on ok. This also happends after I start the phone in safe mode. I have done a software repair at least 7 times, and im getting tired of it now lol. After updating to android 6 i had nothing but problems with this phone. 

[MarlonUk1]

can you try to reinstall Xperia Companion and or use another PC to perfrom the software repair using Xperia Companion

did you install or modified the firmware of the device before?

[720]

Im having this problem too,

*unfortunately,setting has stopped*

LOL sony messed up real big time, are they even bothering making patch fix for marshmallow..sooo many bugs and they are doing nothing..

[YoGem]

720 did you try a software repair? Before saying that Sony messed up, do you know that 99.99% of Android devices stop working probably after a major software update?

The problem is not Xperia, not even Motorola, Samsung and go on.. The issue is in Android itself.

[Pra123-]

Even I am facing the same Issue, Camera is become worst, I am not able to change my pattern and not able to remove device admin. today proximity sensor started acting weird. I think i am not coming back to android again or at least for god sake to Sony. I understand today why apple is best.

Please fix these problem through update 

[YoGem]

Did you try in safe mode or after a software repair using XC? Android usually play very fair after you do a software repair. And yes, Apple is using a proprietary OS based on UNIX, not Linux, which requires more funds hence the price of the iPhone however the quality of Apple phones is not that premium compared to some Sony, Samsung or other OEMs.

[Pra123-]

Yes I tried safe mode but same issue is happening again. Now I will try once software repair too.

[YoGem]

Let us know how it goes.

[Pra123-]

nothing has changed but now i can't even put a pattern lock and proxmity sensor issue is also there.

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@YoGem wrote:
Let us know how it goes.

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[ernstlu]

Yes, I did try that a few times. But nothing worked.