If you notice on your Samsung Galaxy Note 4, that you can not receive calls or SMS, this may be due to an error in the Android system. Most of these errors will only appear once, so that the following tip will help you in this case. This trick is used when the Samsung Galaxy Note 4 is not connected to a network, although the bars are filled in the network signal strength indicator.

To reconnect the Samsung Galaxy Note 4 to the mobile network of your provider, you must proceed as follows:

Pull down the status bar of your Samsung Galaxy Note 4 with two fingers and then tap on the icon with the "aircraft". This is the airplane mode. If the airplane mode is enabled on the Samsung Galaxy Note 4 all connections with mobile networks will be disconnected. This is important because then your Samsung Galaxy Note 4 tries to re-connect with existing networks again. This of course includes the mobile network.

After you have left your smartphone in airplane mode for about 20 seconds, you can disable this again. Pull down the status bar again with two fingers and tap again the "airplane" symbol. That's it. Your Samsung Galaxy Note 4 should connect to the mobile network and you can be reached again by phone and SMS.

If you have downloaded the new version of WhatsApp, then you can use the function to disable the read receipt of WhatsApp messages. The read receipt indicates that the recipient has received and read a message you sent. By implication, also your contacts see whether you have read their message in WhatsApp. If you do not want to use this function, then you can disable in the new version of WhatsApp the read receipt. So if activated, you and the recipient of your messages no longer see if the WhatsApp message was read.

How you can disable the read receipt in WhatsApp we want explain now:

Open as First WhatsApp itself and then the menu by tapping in the top right at the three-point button an then on "settings". You now find yourself in the settings. Tap here now to:

Account -> Privacy

Now scroll all the way down to "read receipts". Remove the tick in the check box to disable this feature on your Android smartphone. As of now, read receipts no  longer will be sent to your contacts when you receive and read a message from them. Note that you now no longer get read receipt for sent WhatsApp messages.

Not too long ago, WhatsApp has received the function of the read receipt. The read receipt tell you whether the message recipient has read them  However, this feature is not for all WhatsApp users a pleasure, which is why the developers have decided to make this function optional. This means that you can activate the read receipt or just turn it off.

To turn off the read receipt in WhatsApp, you need the latest version. This is not yet available through the Google Play Store, but can be downloaded only on the official WhatsApp website.

The download link can be found here: Download WhatsApp with optional read receipt

Have you downloaded the new version on your Android smartphone open the APK installer file and then a wizard starts to install the new version of WhatsApp. You must activate for this Installation "Unknown sources" so that the APK file can be installed on Android.

If the installation of the new version of WhatsApp is completed, you can disable the read receipt in WhatsApp. How to do, you learn in this article: Disable the read receipt in the new version of WhatsApp 

If there are any serious problems with the Android system on the Samsung Galaxy S4, then it may be advisable to perform a hard reset also called factory reset, which resets the phone to factory settings. When you reset to factory settings all stored information on the Samsung Galaxy S4 will be deleted and the smartphone receives the state which it had when delivered.

Through a factory reset problems caused by software or firmware is mostly solved quickly, but you should make a backup before deleting your whole data.
How to perform a factory reset on the Samsung Galaxy S4 and thus resets the phone to factory settings, we now want to explain in this article.

Open from the home screen of the Samsung Galaxy S4 the menu and go there in the Android system settings. Scroll through the settings until the section "Personal" appears and tap on "Backup and Reset". In this menu you see at the end of the page the function "Factory data reset". This resets all settings and deletes all data on the Samsung Galaxy S4.

A wizard will start and you will be asked whether you want to completely delete the internal memory of the Samsung Galaxy S4. On the internal storage pictures, videos and music are stored. If you want to reset the Samsung Galaxy S4 completely, the internal memory must be cleared.
After completing the Assistant with the settings you have chosen, the Samsung Galaxy S4 is automatically resetted to factory settings. It will now perform a restart and you will find a freshly installed Android system on your Samsung Galaxy S4.

You now know how to reset the Samsung Galaxy S4 to factory settings and thus eliminate errors and problems that have been caused by the software.

It may happen when you write on your Samsung Galaxy S5 text with the Samsung keypad that a space after a word is inserted automatically. This may be handy sometimes, but is not particularly useful most of the time. That's why we want to tell you how the function "Auto Spacing" can be deactivated on the Samsung Galaxy S5. So it is possible to write text messages, such as e-mails or SMS without automatic spaces.

Open on your Samsung Galaxy S5:

Menu --> Settings ---> Section "Device" --> Language & input

In this submenu you now see next to "Samsung keyboard" a little gear icon. Tap on this to get into the advanced settings of the keyboard on the Samsung Galaxy S5. Here you will find in the in the section "Smart Typing" the option "Auto spaces". Remove now the tick in the checkbox to deactivate automatic spaces between two words.

Finish! You will now find no longer automatic space in your text message when writing with the Samsung keyboard on the Samsung Galaxy S5.

If you take pictures with the camera of the Samsung Galaxy S4 it is possible to record your GPS position in the EXIF file. This so called GPS-Tag can later be read from the EXIF file and thus reproduce where the picture was taken. However, this GPS-Tag works with images taken by the camera of the Samsung Galaxy S4 only if the GPS module is enabled and GPS-Tag has been activated in the camera app.

We tell you now how the GPS tag for images taken by the built-in camera of the Samsung Galaxy S4 can be enabled.

As first thing for that pull down the status bar and activate the GPS module by tapping the appropriate field.

Now you can open the Camera app. You see a small icon on the top left that looks like a gear. Tap on this to show further symbols. Here tap again on the gear icon.

A menu will pop up, which has three tabs. Change there to the tab on the right, which is again marked with a small gear. There you will now find the GPS-Tag. Tap on the entry and you can make your choice between "GPS-Tag ON" and "GPS Tag OFF". By default, the GPS tag is deactivated. Therefore, you have to set it to "On".

Done! If your now take a picture with your Samsung Galaxy S4 and with an active GPS connection, then the location coordinates are automatically saved in the EXIF file of the image. So you know now always where you have taken a picture with your Samsung Galaxy S4.

With the firmware update NE5 for Android KitKat a new feature was added to the Samsung Galaxy S4: The Kids Mode. With the kids mode, you can customize the Samsung Galaxy S4 very quick and easy for children.
In practice this means that app icons for kids are very easy to identify, so the first contact with a smartphone can be learned playfully. It is important for the owners of the Samsung Galaxy S4, that nothing can be deleted or changed by the Kids mode. A "deleted by mistake" is not possible anymore with the kids mode. We show you now how the kids mode can be enabled on the Samsung Galaxy S4:

Open the “Apps” at your Samsung Galaxy S4 and then search for an application named kids mode. If you tap on the icon the kids mode will be loaded from the network. So you need an active Internet connection. The kids mode is almost 65 MB in size. After the download, tap on the children mode and put in pin with four signs, which allow you to exit the child mode again. We recommend you here to use the Sim card pin, so you can not forget the password of the kids mode!

You can now create a profile within the kids mode which defines exactly which apps may be used by the child. The kids mode is now set ready on your Samsung Galaxy S4 and can be used immediately. Have fun with this convenient app.

If you download apps  to your Samsung Galaxy S4 from the Google Play Store, then these apps are automatically updated when a newer version is published by the programmer.
These automatic app updates in the Google Play Store will always help to keep apps and applications up to date. However, it is not always an advantage when apps are automatically downloaded and installed, as sometimes new app functions are unwanted or old functions are no longer available. For this reason it makes sense to disable automatic updates of apps and applications in the Google Play store on the Samsung Galaxy S4. How to do this, we want to explain to you in our post:

Just open the Google Play Store on your Samsung Galaxy S4. Now tap on the Options button next to the home button and open the menu. Now the menu item "Settings” needs to be tapped. You are now in the Google Play Store settings. Here you see immediately in the second place the entry "Auto-Update Apps". Tap this menu item and set the mark from "Auto-Update apps over WiFi only" to "Do not Auto-Update apps".
That's it. From now on new updates of apps and applications will not be automatically updated by the Google Play store on your Samsung Galaxy S4. However, you have to check yourself whether new updates are available and install them manually if necessary.

If you are staying with your Samsung Galaxy Note 4 abroad, then it selects automatically the foreign mobile partner-network of your provider. From this point  roaming begins, which means the use of a mobile network outside of the home network. In addition to the telephone, there is also the mobile data network over which you surf the Internet with your Samsung Galaxy Note 4. The use of mobile data network in roaming during a stay abroad can lead to very high costs.

So to avoid unpleasant surprises with your next invoice we recommend you to disable roaming abroad. We show you in this article how to deactivate Roaming in Android at your Samsung Galaxy Note 4.

Open from the Home screen of your Samsung Galaxy Note 4 the "Apps"and then navigate to Settings. Scroll down here to the section "Network Connections" and then tap on the "More Networks" Button. In the next menu navigate to "Mobile networks". You will now see an entry with "data roaming". Remove the mark in the check box to disable this feature now.

With this setting, you will now no longer get a mobile Internet connection on the Samsung Galaxy Note 4, if you find yourself abroad from your mobile home network.

If you own an Android smartphone and stay with it abroad or close to a country border, you may want to know if you are already logged in a cellular network, which causes roaming fees.

In Android it is fortunately very easy to see whether you are connected to your Home-Network or another network. This is a directly displayed in the status bar. If you are in a network with roaming a little R is displayed in the status bar. This R stays for roaming and shows you that you are connected to a roaming network with the Android smartphone.

You now know how to quickly and easily seee on an Android smartphone whether you are logged in to a roaming mobile network.