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This measures motion and is used for a host of features. It’s used for compass apps and can also work with the accelerometer. Measures the strength and direction of the Earth’s magnetic field. Search for it on Google Play, as described on Using Google Play Store.) There’s even an app that works with the phone’s magnetometer to detect potholes as you drive, and create a log about their locations, which you can then email to your local department of public works. But clever app makers use it for other things as well, such as automatic collision notification, which detects when you’re in an accident and then automatically makes a call for assistance for you. The Galaxy S4 uses the accelerometer to sense the orientation of the screen and turn it to either landscape or portrait mode. As its name implies, this sensor measures acceleration and motion. So in bright light, it makes the screen brighter and easier to see: in dim light, it makes the screen dimmer, since bright light is not needed.Īccelerometer. Senses the light level and adjusts your screen’s brightness as a way to save battery power. It does this to save power, and so you don’t accidentally touch the screen while talking and perform some unwanted task.Īmbient light sensor. It senses when your face is close to it during a phone call and automatically turns off and blanks the touch screen as you keep talking. Have you ever noticed that when you’re talking on your S4, the screen often goes blank? That’s thanks to the proximity sensor. #Mark text as unread samsung s4 how to#(See Screen lock for details on how to set up a PIN.) #Mark text as unread samsung s4 password#If you’ve set up a PIN on your phone so that only someone with a password can use it, you’ll have to type in the PIN before you can use your phone. You’ll get notifications about missed calls, text messages, and so on. Your Galaxy S4 is now ready to do your bidding. Then put your fingertip on the screen and slide it to the right or left. When you again want to use the Galaxy S4, you’ll need to unlock it. You can still get phone calls and text messages, and even listen to music while the screen is locked. While the screen is locked, the Galaxy S4 still operates behind the scenes, checking email and Facebook on schedule. In fact, every time you leave the phone untouched for a certain amount of time-as little as 15 seconds to as much as 10 minutes ( Brightness)-the screen automatically locks itself. Always lock the screen before putting the Galaxy S4 in your pocket or bag to avoid accidental screen taps and potentially embarrassing unintended phone calls. It blacks out, indicating that the screen is locked. Until then, use ES File Explorer to copy files to the external storage on your Galaxy S4 GPe.When you put the Galaxy S4 on Standby using the Power/ Lock button, the screen stops responding to touch. #Mark text as unread samsung s4 update#If the above steps are too tedious to for you, wait patiently for Google (if they ever) to release an OTA update to fix this issue. Step 4: Save the file and restart your device, and the bug will be solved. ![]() Step 3: Add the following line on a new line under the WRITE_EXTERNAL_STORAGE permission without the quotes – “”. ![]() Now, find the WRITE_EXTERNAL_STORAGE permission in the file. Step 2: Find the platform.xml file and open it using a text editor. If you are using Root explorer, long press on the platform.xml file and select Open With -> Text editor to open the file in a text editor. Step 1: Using a file explorer with root access capabilities like Root Explorer, navigate to /system/etc/permissions folder. If you have root access, proceed to the steps below to fix the bug. However, for this you will need root access for this. You can also squash the bug yourself, if you are too impatient for Google to roll out an update for this. ![]() #Mark text as unread samsung s4 android#The app was recently updated to work around this issue, and can easily write or read from an external microSD card on the Galaxy S4 running Android 4.3. If you only want to copy files to the microSD card, use ES File Explorer. There is, however, a workaround to this bug. Until and unless, Google and Samsung roll out another update to fix this issue, there is not much Galaxy S4 GPe owners can do. Trying to write anything to the card will just throw up a weird error. Galaxy S4 Google Play edition owners have been unable to write anything to the external microSD card either by using a File manager or via apps. While the update bought with it a lot of under-the-hood enhancements and some minor new features, it also introduced a serious bug on the S4. A couple of weeks ago, Google started rolling out the Android 4.3 Jelly Bean update for the Galaxy S4 and HTC One Google Play edition. ![]()
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