Overheating is a common problem for some high-end smartphones. This problem occurs sometimes in even flagships like Galaxy S7 and Galaxy S7 Edge. Commonly overheating occurs due to heavy usage like playing games, watching HD movies and installing too many apps. Galaxy S7 and S7 Edge have a special liquid cooling system to keep the device cool. Despite of this, Galaxy S7 overheating problem occurs some times due to some issues. Due to excess heating, battery drains quickly.
Also Read : Android 8.1 Oreo for Galaxy S7 and S8
Galaxy S7 may overheat some times due to multiple processes running by the apps, both downloaded and inbuilt. To fix the problem, user have to uninstall unnecessary apps. Inbuilt apps can also be disabled by going into Settings. After uninstalling/disabling apps, the user has to restart the device to see the result immediately.
Most users leave the default setting of Auto-Brigtness untouched. But the Auto Brightness feature may drain the battery and overheat the device. So users can manually set the brightness to a minimum and increase it outdoors. One can find the brightness setting in the Quick Settings toggles.
Samsung fix many bugs which may lead to overheating and battery drain in the updates. So users have to keep their devices updated. The latest android version available for Galaxy S7 is Android 7.0 Nougat. Users can check for updates by going into Settings>About Phone>Software update.
The Galaxy S7 and S7 Edge exynos variants come with the Samsung Adaptive fast charging feature. The Snapdragon 820 variants also come with the default Quick Charge feature. Because of the default fast charging feature of both variants, they may overheat while charging. Galaxy S7 Users can disable the quick charging feature by going into the Settings App, open the Battery section and turn Fast Cable Charging off. This solution works best for the devices, those overheat while charging.
Sometimes a particular app like Facebook may drain the battery quickly and cause overheating. To optimize the apps which are draining the battery, users have to go into Settings and open Battery section. In the Battery Section, tap on the Battery usage and then on More. Then, tap on the Optimize Battery Usage option and the list of all apps will be displayed. In that list, make sure the Battery Optimization enabled for each app.
Sometimes the downloaded apps run background synchronization services while charging. Thus, more stress will be laid on battery and it will overheat. To fix Galaxy S7 Overheating while charging try to charge it in safe mode. To boot in Safe Mode, press and hold the power button with the device powered on. Hold until the Phone options prompt appears on screen.
Then, tap on the Power Off option until the Reboot to safe mode option appears. Next, touch on Restart. The device will reboot into Safe Mode and then charge it. If the overheating problem has solved, then one of the downloaded apps is causing the overheating problem. Try to uninstall the apps one by one and check if the problem has solved.
Wiping the cache of Galaxy S7 is important because it can also solve app crash and random system reboot problems along with the overheating and battery drain problems. Usually, Galaxy S7 android system stores some temporary data of the system and apps in the Cache Partition of the device. This storage helps in quick access of the apps and may reduce app launch times. But sometimes when the size of the cache increased, the system may slow down and overheat which may lead to battery drain also. So to prevent these problems, Galaxy S7 and S7 Edge users should wipe the cache partition atleast once a month to keep their devices healthy and running at full speed. Follow the instructions given below carefully to wipe the cache :
1. Turn of the device.
2. Press and hold the Power, Volume Up and Home buttons at the same time until the Android Logo appears on the screen.
3. Then, release the power button but hold the other two buttons.
4. Next, using the volume up and down buttons, highlight the Wipe Cache option and press the power button.
5. In the next screen, scroll down to highlight Yes and press the power button.
6. Then, in the next screen, highlight the Reboot System Now and press the Power button.
After completing the process, your Galaxy S7 will reboot with the cleared Cache partition.
If you have tried the above methods, none of them fixed the overheating problem, you can try hard resetting the device. Before doing the factory reset, users must backup their data. Users can reset by going into the Settings Menu and open Personal section. In that tap on Backup and Reset and then tap on Factory Data Reset. After resetting, check for the overheating and battery drain problems have solved or not.
If the overheating problem still persists even after a hard reset, go for the Samsung Service Centre nearby.