Uninstall third-party apps linked to WiFi o Bluetooth. Factory reset: Factory resetting an Android smartphone will take it back to the first day you bought it. The WiFi and Bluetooth should be working perfectly after factory resetting. Conclusion. This is how to fix Bluetooth or WIFI not turning ON, on all Android devices.Turn Bluetooth on or off. Bluetooth is a wireless connection which can be used to transfer files between two devices or to establish a connection to other devices, such as a wireless headset or keypad.
Has anyone seen a problem with bluetooth and wifi failing to connect on Samsung s4 with Android 5.0.1. This worked fine until around the time the device upgraded to 5.0.1. When selecting either WiFi or Bluetooth the switch in the connections section of the Settings goes gray and then switches back to off.Activating a Blue Light Filter / Night Mode on your SAMSUNG Galaxy Tab S4. If your phone uses a fairly new software, simply unlock your SAMSUNG Galaxy Tab S4 and open the Settings menu. Select the Display option and search for a Blue Light Filter option. They can use one of many names - Night Mode, Night Light, Reading Mode and such. All of these basically do the same, making your phone's colors warmer once you turn it on.
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