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tridious

Hi, I have been using the phone for the past 2 days and realised that it heats up pretty quickly. It was particularly hot at the top part of the back of the phone, the area where the NFC logo is located. I did several "tests" to see how fast it heats up, and I made sure that the phone was cooled down before each try.

Firstly, I used the phone for browsing the internet for about 15mins and realised that the temperature(battery) has risen to 43 degrees celsius. Next, I tried using its camera and took several shots and after about 5 minutes of use, the temperature has also risen to 44.2 degrees and the a message was prompted stating something like "the temperature is too high! camera needs to turn off." I then tested the video recording in 4K resolution. The recording lasted for only about 3mins 40secs before the message was prompted, and the recording was not saved. The temperature rose to 44.5 degree celsius.

I understand that the automatic shut off of the camera was to prevent any hardware damage from the high temperature. However 15 mins of browsing and less than 5 minutes of 4k recording does not appear satisfactory from a user's point of view, especially after the device being touted as the best Sony has built. I hope that a software update can help mitigate this issue, as it will be a huge hindrance to the day to day usage if the issue remains. Does anyone else have the same issue?

BlueDemon

The handset does heat up to quite a temperature during longer 4K recordings.

Even after three minutes of filming I found the top half of the Xperia Z2 became rather toasty, and as I continued the heat increased.

When it got to around 11 minutes of 4K filming the Xperia Z2 crashed, with a pop up of "Unknown error" greeting me on screen.

Rather more frustratingly the huge video file (4.25GB) was saved to the device, but it was corrupt so I couldn't play it. The Xperia Z2 also promptly told me that I'd filled 75% of the internal storage and it was time to stick a memory card in. Or I could just delete that massive corrupt file, hey Z2?

Hopefully these issues can be fixed with a software update, and I hope Sony gets on the case soon.

_alexdon_

I do not think that you could do anything with the file if it is corrupt.I would recommend using a micro SDHC card or even SDXC.The process itself is very heavy.

alexdon

mrmazsaleem

Yeah all phones with 4k recording have limits in length of recording because it is intense on the hardware. Would stick the feature in gimmick bin. 1080p recording is enough for this generation given that 4k panels and other forms of 4k media are nowhere near being mainstream yet

bkoori

When I ever use the 4K after 1 min exactle the camera shuts down as a message pops up " temporary somethin somethin.to cool.down " 😕 why this is.hapoening. And.how.i can solve this

doolittle27

I think it has to do with the firmware. My only hope is that sony will release another one to fix this heat problem since I am very happy with everything but the camera.

dm84

i've used the 4k app for over 4 mins and didnt shut down and syncs correctly if you have that problem i would advice you to factory rest phone about 4 times and repair with pc companion

Cartagenaphoto

I tried to factory reset one time and it helped for about 5 minutes. Then the audio were out of sync with the 4K video again. I live in Denmark and the phone has the latest firmware; -(

plawsworth

I bought a expensive SanDisk Extreme microSDXC 64gb card with 80mb/s read and 50mb/s write speed and tried and yeah it lasted longer than the internal memory but still crashed after 6min 29sec so all I can say is that the snapdragon 801 is not powerful enough to record 4k and staying cool enough...

https://www.youtube.com/watch?v=51NPpQAjeuM

DaveHoward

Hi
Mine overheated today and wouldn't let me take a normal picture!!!
I have noticed it getting hot for general use but this is ridiculous!!
Kinda wished I stayed with my iPhone.
I've the latest update and also a sd card which I did a 3 second video burst to. Could this be the reason it overheated? If so what's the point of all these options if the phone cant handle it?!!!

daz69

had my z2 for a couple of days and everything was ok until I tried to take a photo and the camera insisted n shutting down.....ok I had been browsing fro 10 mins prior to wanting to take a photo but I was not expecting this sort of response from the phone....think I shall test it tomorrow to see how many pics I can take before it plays up again....hopefully this is not going to be a re-occuring issue.......chose this over the nokia camera phone and wondering if I have made a mistake