The Galaxy S4 is one of the most successful handsets Samsung has ever made. However, being successful does not mean that the device operates flawlessly without any issues. Every device no matter how successful and popular it is, suffers from operating issues. Thankfully, most of the problems in Samsung’s S4 can be solved. Here are some of the S4’s problems that you can easily solve.Battery issuesSome Galaxy S4 users have laid complaints concerning unexpected fast battery drain. The issue may be caused by overheating. However, the most likely cause of heavy battery drain is the applications installed in your device. If you’re handset is experiencing heavy power drain and overheating isn’t the problem here are possible solutions to these problems.Solutions:
  • Disable some apps when there are not in use. Such applications that consume a lot of power are, WI-FI, Mobile Data, NFC, Air view, GPS, etc.
  • In the Quick setting option in the notification bar, turn on the power saving mode.
  • Reduce the handset’s timeout and screen brightness.
  • Avoid using very bright wallpaper.
  • Be cautious if applications that are constantly syncing. At the setting menu, set the sync duration of most applications like Facebook, which can cause heavy power drain.
Issues when connecting WI-FI, keeps dropping connection, or a very slow WIFISome S4 users have been experiencing problems concerning WI-FI connection. Others have had their WIFI connections dropping. A few have reported their WIFI not connecting at all. The challenge with the WIFI problems is that they could be at the hardware (router or the mobile device). Furthermore, the WIFI problems can be caused by the software (on the router or on the mobile device). Moreover, the problems can be caused by the settings and Samsung’s TouchWiz or the Google’s Android overlay.Solutions:
  • Turn your device and the router on and off, and then connect the WIFI. If this doesn’t solve the WIFI issue, try the following procedure:
  • Go to the Settings > Connections and click WIFI. Tap Menu. Make sure the WIFI during sleep is set to Always.
  • Turn off the WIFI power save mode on your device. Dial *#0011# then Menu > WI-FI and turn the power save mode off.
  • The router firmware should be up to date.
  • Change the router settings. You can change the channel or the 802.11 mode. Refer to the trouble shooting documentation for your specific router.
OverheatingMany Galaxy S4 users have reported their devices getting hot. Overheating is most experienced while gaming or during movie playback. Some have experienced this issue during calls, while using camera, with random applications, or while browsing the web.Solutions:Make sure you have the latest updates for your applications. Go to the Play store, Tap Menu > My apps, check the available updates at the top of your handset’s screen. If you have an up-to-date application that seems to be the cause of the problem, find an alternative.Inadequate StorageAfter purchasing a S4 with a storage capacity of 16GB, you may be surprised to find out that you have around 8.5GB free.  The preloaded applications and the operating system are taking over 6GB.Solutions:
  • Purchase a MicroSD card; use the cloud storage solutions like Google Drive and Dropbox.
  • Unfortunately, some of the applications cannot be stored in a MicroSD card. In this case, the other option is to root your device and get rid of the bloatware.
Gallery and Camera applications not workingYour device may experience strange behavior of constant collapse of the Gallery and Camera applications. Both or either of the applications may crash randomly or fail to load up. The gallery may also fail to display the photos properly and the camera may refuse to take pictures.Solutions:
  • Go to > settings > application manager > all and then go to the Gallery app or the offending camera and try to clear data and clear cache. In case it’s still running, you try the Force stop option.
  • If that doesn’t work, wipe the cache partition. Turn your device off, press and hold the volume up. After the handset vibrates, immediately let go off the power. By doing this, the Android Recovery Screen, let go off Home and Volume up. Then use the Volume down option to highlight the wipe cache partition. Then select the Power key option after tapping it.
  • If you’re saving the your photos in the SD card, remove it and try saving then in your device or using Dropbox or Google + automatically back them up online.
  • Install a third party camera.
  • Try restarting your handset.

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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