Samsung Galaxy S5 Wi-Fi constantly dropping or unstable [Troubleshooting Guide]

This article contains recommended methods to deal with Wi-Fi problem on Samsung Galaxy S5, in which the Wi-Fi connection is unstable or keeps dropping. You too may refer to these general troubleshooting procedures, if you are experiencing unstable or dropped Wi-Fi connections on your S5 device.

Note: Don't forget to test your phone's wireless connection after completing each of the following methods to see if the problem is fixed. Otherwise, proceed to the next method.

1. Verify Signal Strength

One of the possible reasons as to why you would experience Wi-Fi connection drops is poor signal strength. To ensure this is not the culprit, check the signal strength of the Wi-Fi network on your phone, located on the upper-right of the screen.

You will know that your phone is getting good or better signal if you are seeing more bars available. If you have lesser than two bars of signal, try to move your phone closer to the wireless router or find another place where there is good or better signal strength.

2. Check for any possible Interference

There are some devices in your house that could interfere wireless signal/connection between your device and networks (in range), such as microwave ovens and some cordless phones.

In case you have devices like these that are placed nearby your phone, you can try to turn them off temporarily or move them in other farther area.

You can also use a different wireless channel by changing the router or access point settings, or set the channel to be automatically selected if it is set to a fixed channel number. Some wireless channels work better than others.

For further assistance in configuring/using your wireless router, please contact your phone manufacturer or network carrier.

3. Check and secure Connections

Network or internet connection issues may also be due to loose or disconnected Ethernet cables, DSL or cable connections, telephone cords, USB cables, or power cables.

To ensure this is not causing you any trouble, do the following:

  • Check all the connection from and to your router, and your high-speed modem (if available).
  • Disable or turn off the wireless router and high speed modem (if available). If your router or modem does not have a power switch, you can disconnect the power cord from the back to turn it off. Wait for 2 to 3 minutes, and then turn on the router or modem (or reconnect the power cord). This process is also referred to as power cycle.
  • Toggle Wi-Fi on/off on your mobile phone. You can do this by going to the Wi-Fi settings menu on your Galaxy S5. Here's how to do it:

a. Touch Apps from the Home screen.
b. Touch Settings.
c. Touch Wi-Fi.
d. Touch the Wi-Fi slider to turn it OFF, and then touch it again to turn it back ON.
e. Now, open a browser by touching Apps, then Internet or Chrome.
g. Navigate to any website to see if you can connect.

If you're still unable to connect after rebooting your wireless router or modem, try to connect to another wireless device (if available). If neither device has connectivity to the Internet, please contact your Internet Service Provider (ISP) to escalate your Wi-Fi connectivity issue, for further troubleshooting assistance and recommendations. Also verify if there are some outages that may be causing Internet problems in your area.

4. Turn on Smart/Auto network switch

If you are experiencing unstable Wi-Fi network connection or constantly dropping due to poor signal strength, you can enable or turn on Smart/Auto network switch to automatically toggle between a wireless network and mobile data connection, so as to maintain a stable internet connection.

Follow these steps to turn on or enable the network switch on your phone:

a. Touch Apps from the Home screen.
b. Touch Settings.
c. Touch Wi-Fi.
d. Touch Smart network switch to enable the feature.
Hint: On some device models, you may need to touch Menu -> Advanced -> Auto network switch.

Important Note:

Please note that enabling the network switch may also increase data usage, which means you may incur extra data charges. To avoid any unwanted charges on your next bill, please check with your mobile service provider for inquiries on mobile data charges.

5. Update Software

Sometimes, issues like this will just require a software update to be resolved. Try to check your phone, router, or both for any available software update. Updating your devices regularly is recommended to let you get the latest software version with enhancements and/or bug fixes.

You can update your Samsung Galaxy S5 with the Kies software or by going to the Settings menu.

Here's how to upgrade your phone's software from the Settings menu:

a. Touch Apps from the Home screen.
b. Touch Settings.
c. Touch About device.
d. Touch Software update.
e. Follow the on-screen instructions to complete software update.

How to update with Samsung Kies:

You may visit Samsung Support website for detailed upgrade instructions specific for your device. Otherwise, follow these steps:

a. Connect your phone to your computer with the USB cable. Ensure the latest Samsung Kies version is installed on your computer.

b. Open Kies software on your computer. You will be prompted with a notice on the Basic information tab, when a new version of firmware is available.

c. To begin the upgrade process, click Firmware upgrade.

If prompted, follow the onscreen prompts to complete the backup process to preserve all of your data.

To update your wireless router software, please contact your router manufacturer for further assistance.

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