Samsung sm-t230 galaxy tab 4
General trouble: For just about any problem or minor quirk, consider restarting the Galaxy Tab: Turn it off and then turn it on again. This procedure will most likely fix a majority of the annoying problems you encounter. Check the cellular data connection: As you move about, the cellular signal can change. In fact, you may observe the status bar icon change from 4G LTE to 3G to even the.