Recently, owners of the new Sony XPERIA Z4 (exclusively sold in Japan) complained that their smartphone was overheating. Before that, a video showed that the Sony XPERIA Z3 Plus (international version of the Z4) Now, Sony has just admitted with Dutch-speaking GSMInfo that the Z4 and Z3 Plus are suffering from overheating issues, and that it is working on an update to fix the issue.
The culprit behind the overheating issues is the Qualcomm Snapdragon 810 64-bit octa-core processor, which has also initially caused overheating issues with a HTC One M9 running pre-release apps. The Z4 and Z3 Plus are believed to use an updated version of the chipset that prevents overheating, but a video proved that it did little to prevent issues with regulating heat.
According to Sony, it will be rolling out an update that will fix the issue in the summer. In the meantime, the Japanese phone maker suggests powering off the smartphone several times a day, especially during charging. Sony adds that unsatisfied Xperia Z3+ and Xperia Z4 owners contact the Sony service center.
If you’re unfamiliar with the Sony XPERIA Z4 and the Sony XPERIA Z3+, the two are one and the same. The smartphone sports a 5.2-inch Triluminos screen with a resolution of 1080 x 1920 pixels (pixel density of 424 ppi), a 20.7-megapixel rear-facing camera, a 5-megapixel front-facing camera, 32 GB of internal memory, a microSD card slot (support for as much as 128 GB), a Qualcomm Snapdragon 810 64-bit octa-core processor with four cores clocked at 2 GHz and four cores clocked at 1.5 GHz, an Adreno 430 GPU, 3 GB of RAM, and a 2,930 mAh battery. It has an IP 65/68 rating for dust and waterproofing. IP68 means that the phone can be submerged in water as deep as 3 meters (9.8 feet) without getting damaged. It measures 146.3 x 71.9 x 6.9 mm and weighs in at 144 g. It runs Android 5.0 (Lollipop) out of the box.
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