The most frequently asked questions about Sony Xperia C4 from our audience.

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Repair engineer for the last fifteen years. Huge experience in the repair of electronic devices and gadgets.


Sony Xperia C4

Sony Xperia C4
No problem

No problem if I take it out and put the battery back
    Yurii Rodionov
    YouTube_Question
    No problem if I take it out and put the battery b…
    Hello, If You want to replace the battery you have to be attentive because the battery has glued to the screen frame for separating we offer to use a heat gun (hair dryer). If you mean something else write us and we'll try to help.

Sony Xperia C4
I have

I have a problem with the touchscreen, it bug a lot. Do you think it can resolve the problem if i change the screen, like in this video?
    Yurii Rodionov
    YouTube_Question
    I have a problem with the touchscreen, it bug a l…
    Hi, what kind of bugs? Try to test the touchscreen by means of the Service menu. (*#*#7378423#*#*)

Sony Xperia C4
i have sony

i have sony c4 dual since 2yrs now... and i have problem with camera focus... it doesn't focus now on any object ...what i can do?? this problem occurs, when my phone has touch issue so i give it to the service center.... then i get back my phone in 2week... the i see this problem (camera focus doesn't work)... plzz suggest any solution...
    Yurii Rodionov
    YouTube_Question
    i have sony c4 dual since 2yrs now... and i have …
    Hello, in this case, often, the reason in the camera, camera replacement can solve this malfunction.

Sony Xperia C4
I need help

I need help my Xperia C4 needs a screen repair because a red mark or red spot is showing when I view dark backgrounds on the phone so I think it might of been pressed.
    Yurii Rodionov
    YouTube_Question
    I need help my Xperia C4 needs a screen repair be…
    Hello, it can be defect or result of pressing of fingers (or else). If it don't bored (annoy) you then let's it remains as is. If you resolve to replace lcd - yes, you can. OR you have warranty - go at a service center.
      Yurii_Rodionov
      Hello, it can be defect or result of pressing of …
      Ok would my data would still be saved after the lcd replacement?
        Yurii Rodionov
        YouTube_Question
        Ok would my data would still be saved after the l…
        If will be replaced lcd only - your data will be safe and sound
          Yurii_Rodionov
          If will be replaced lcd only - your data will be …
          But will the red mark on my phone will still be there for forever if I don't do nothing about it.
            Yurii Rodionov
            YouTube_Question
            But will the red mark on my phone will still be t…
            If you have doubt about it you can put pictures on our FB page with the phone and the red mark we'll inspect it

Sony Xperia C4
Hi

Hi,I need help too. I have a Sony Xperia C4 Dual and sometimes, when I'm trying to make a video full-screen or it starts an add while I'm doing something , the screen is blocking. In the video case,it's getting green and it's turning off and then on. On the add case,the image is blocking and stays there while the sound is still working,and after the add ends the phone is turning off and then on again. I think it has problems whit the screen,but I don't know what to do whit it like this! Please help!

Sony Xperia C4
i have problem

i have problem in mobile network not available for C4 in my phone setting i can see sim1 and sim 2 but name only . for example i can see sim 1 is vodafone but no signal . sometime the signal come and go again . can you help me ?
    Yurii Rodionov
    YouTube_Question
    i have problem in mobile network not available fo…
    Hi, we'd check a coaxial cable & antenna pins / the connections to PCB.

Sony Xperia C4
Please help

Please help my device when /errace regular weather on the screen pulses of lines in the middle of the screen i reply C4 5333
    Yurii Rodionov
    YouTube_Question
    Please help my device when /errace regular weathe…
    Hello, can you take a picture (where we can see the lines) and put it on our FB page

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