topic Re: Screen flickering/blinking Xperia Z1 in Z Series

Screen flickering/blinking Xperia Z1

Felini — Mon, 21 Jul 2014 15:28:06 GMT

Sometimes my display flickers for a few seconds, doesnt mater where I am on screen, I noticed it mainly in call logs/calling, chrome, home screen and messages. It's nothing major and it's kinda weird flicker, like anti aliasing lines or something like that. And it happens mainly in dimmed light conditions. On the whole screen, not any specific part/corner.

After few seconds it goes away and it doesn't happen all the time, nor constantly.

Did anybody noticed it on their phone? Could it be software or hardware related? I'm on 4.4.4 kitkat and the phone is week old. It was already in water for tests but everything was properly sealed, doesn't have any fall damage etc., I take good care of stuff.

Any help is appreciated.

Re: Screen flickering/blinking Xperia Z1

Uliwooly — Mon, 21 Jul 2014 16:03:07 GMT

you could re-install the latest update with SUS or PCC and check again

Re: Screen flickering/blinking Xperia Z1

Felini — Mon, 21 Jul 2014 19:09:36 GMT

Thanks for the tip. But will it be possible to re-install the update without doing factory reset? I didn't use the sony update service at all, everything I've done was throught the phone only, so I don't know how that works..yet 😉

Re: Screen flickering/blinking Xperia Z1

Uliwooly — Mon, 21 Jul 2014 23:36:07 GMT

It will be wise to perform a factory reset

Re: Screen flickering/blinking Xperia Z1

Felini — Tue, 22 Jul 2014 03:42:33 GMT

Ok will do as soon as possible, thank you.

Re: Screen flickering/blinking Xperia Z1

Felini — Tue, 22 Jul 2014 04:36:37 GMT

One thing came to my mind now as I'm at work - in a city with great network coverage and haven't had any aliasing lines in a few hours. Could this be happening because of a weak signal? Like some interference or something? Because it happens mainly when I'm in places with weak network signal - villages, underground parking lot, basement...a toilet (lol). It is just a theory but could it be possible anyway?

Will do some more testing today and tomorrow (before having my phone wiped) as I will be in different places with different signals, but nevertheless I'm really curious about this.

Re: Screen flickering/blinking Xperia Z1

Sam — Tue, 22 Jul 2014 04:53:30 GMT

It is very unlikely to be caused by weak signal. If I had the guess I would say a software issue or a hardware issue such as lose cable for the display.

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Re: Screen flickering/blinking Xperia Z1

Felini — Sat, 26 Jul 2014 10:50:20 GMT

OK, so I tested it more without doing a factory reset, it is not doing because of weak GSM signal. It´s because of the mobile data connection. When my phone has HSDPA connectivity everything is allright. As soon as I have a weaker EDGE connectivity, phones screen starts flickering. Looks like hirizontal wave line flicker like you can see on older monitors. I´ve tried it in place where you can get EDGE only, I turned mobile data on/off. When off, display was OK. When on (EDGE) screen started immediately flickering.

Any thoughts? Couldn´t it be a hardware problem?

Re: Screen flickering/blinking Xperia Z1

Sam — Mon, 28 Jul 2014 02:36:57 GMT

That certainly is odd, I would advise trying the software repair as advised by Uliwooly in this case.

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Re: Screen flickering/blinking Xperia Z1

Felini — Tue, 29 Jul 2014 03:42:49 GMT

I did, so did I try the phone with another carrier. Problem still persists though, guess I have to return the phone for display repair, seems like a hardware issue. Everything is fine and I really really love this phone but I have to fix this, I don't want another display damage done because of this, one never knows.

Re: Screen flickering/blinking Xperia Z1

kosho — Sat, 02 Aug 2014 23:34:59 GMT

I have the same problem and I noticed that is only occurred while Xperia Z1 is trying to make a call and using GSM network only
It's occurred while phone is trying to place a connection with GSM "the old network mode"
I tried to update the software via cable to version kitkat
And the problem is not solved
Please I want the support to give an advice if it must be returned to the agent for replacement or repair or if you have a solution to tell me to do, thanks

Re: Screen flickering/blinking Xperia Z1

Sam — Mon, 04 Aug 2014 00:54:53 GMT

@kosho - If you have tried all of the sugestions on the previous page and still have the same issue then I would advise contacting your local Xperia Care team to have an assessment arranged.

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Re: Screen flickering/blinking Xperia Z1

swaritmail — Sat, 06 Sep 2014 12:30:45 GMT

I have new Sony Xperia z1 and facing same problem while making calls or using mobile data pack. My android version is 4.4.4 plz tell me it's a software problem or hardware problem. If I downgrade the software version can be helpful for me?

Re: Screen flickering/blinking Xperia Z1

Sam — Mon, 08 Sep 2014 02:55:27 GMT

@swaritmail - Please see my above post regarding the best course of action in these circumstances.

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Re: Screen flickering/blinking Xperia Z1

Ovy — Sun, 14 Sep 2014 13:36:23 GMT

I own a sony xperia z1,and sometime mine is flyckers and i don't know the problem and don't know what should i do,i should wait for the new update or send to warranty...

Re: Screen flickering/blinking Xperia Z1

Felini — Sun, 14 Sep 2014 15:21:30 GMT

Send it to Sony or your local service. Or vendor where you bought it, he will send it for you, it's a hardware problem, I got it fixed that way (i'm the OP). That is your only option if you want to get rid of it.

Re: Screen flickering/blinking Xperia Z1

Jrakesh — Sun, 21 Sep 2014 17:37:29 GMT

Yes I brought phone 2days bfr.. I observed screen flickers while calling ...!! Im very much dissappointed Please fix the isssue if its the software problem or try to replace the phones !!

Regards,

Rakesh J

Re: Screen flickering/blinking Xperia Z1

wssel — Sat, 13 Jun 2015 12:54:34 GMT

hii, i have this problem on my phone z1 + many other problem,

do any one know how to fix it please !!!

it only happen with pictures and text

thanks

Re: Screen flickering/blinking Xperia Z1

ataata1 — Thu, 25 Jun 2015 18:36:59 GMT

_I have the same problem with my sony z1 (as on pictures). I think this hapen after android update... Is there some expert in sony who can tell is it hardware or software problem_?

Re: Screen flickering/blinking Xperia Z1

prabh — Sat, 25 Jul 2015 16:10:33 GMT

The screenshot sent by the user got any solution?? Because my xperia z1 facing the same one...