Sony admits of having overheating problem in Xperia Z4 and Z3+
Sony has just admitted that there is an overheating issue where the Sony Xperia Z4 is concerned, which also encompasses the Sony Xperia Z3+. Z4 was launched into Japan and already there are reports of people complaining about heat issues for the handset. Users are taking to forums and blog sites to document the temperatures of their devices. Sony intends to reveal a software update, which will be able to fix the issue.
Sony suggests that users have to power off the Xperia Z4 or Xperia Z3+ several times a day. If you are still not satisfied, then contact the nearest Sony service center.