I got my Lumia 640 dual SIM phone 10 days back which has W8.1 DENIM uploaded. From past 3 days I am facing severe heating problem at top of the phone, this only happens when I am using GPS, playing games, using Facebook, WhatsApp, browsing in Opera & uc browser, rest of time it won't get heated up. How can I solve this issue?
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Have you tried enabling battery saver? That reduces amount of heat generated when my phone is connected to a network. – User5 May 1 '17 at 12:54
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Playing games uses a lot of processing power, which in turn generates excess heat; Similarly, some webpages use a lot of client side scripting that can use a lot of processing power.
From what you've said, it may well be the case that you're seeing a "normal" amount of heat generated. If you're concerned, you could pop by you local friendly service centre, and they should be able to confirm that it is running within expected tolerances.
answered Apr 30 '15 at 17:49
