Basically, the Airplane mode turns off the signals inside your smartphone or tablet. This includes your device’s Wi-Fi radios, Bluetooth signals, cellular voice radios, and cellular data radios. Some Android handsets turn off even more than the signals stated above, while others turn off fewer signals. Moreover, some may let you turn certain signals back on such as Bluetooth and Wi-Fi signals, and still remain in the ‘airplane mode.’Now that you have got a brief rundown of the airplane mode, let us get to some situations you should turn the airplane mode on.

1. When flying

We are all told to turn our smartphones to airplane mode when we board a flight. The reason behind this is that the signals from your device may interfere with the airplane’s electronics and this can lead to horrible instances such as losing control.According to, smartphones interfere with the aircraft radios that pilots can hear in headphones. They experience exactly what you hear when you put your smartphone next to a speaker.The airplane stops the interference from occurring. This means happy and stress-free pilots in the cockpit.

2. When traveling internationally

Traveling across boards happens to be an expensive affair for your wireless carrier and also for you. This is because the international roaming charges are not cheap and one way to avoid paying for the extra roaming fees is activating the airplane mode on your Android phone. It is recommended that you only use Wi-Fi hotspots while traveling.You will not receive phone calls or messages, but you’ll be able to access your email, browse internet, and use instant messages.

3. To save your battery life and let your smartphone charge faster

The airplane mode can be used as a battery power saving option when you are not accessing the wireless networks or cellular networks. You can also turn it on when you just want to play games and watch movies from your smartphone.Furthermore, if you’re running low on battery power, the airplane mode can check the components that are responsible for the battery drain. Moreover, to let your handset charge faster, you can activate the airplane mode on your smartphone. Your device will charge quickly.

4. Troubleshoot your mobile network.

Sometimes, the airplane mode is used to troubleshoot your handset’s cellular network. If your handset has issues when receiving signals from your mobile network and you experience a lot of fluctuations in non-availability of mobile networks or disruption of signals, activate the airplane mode and then disable it. Sometimes, the mobile network strength increases and works fine without unnecessary disruptions.

5. Avoid distractions

For most of us, a phone can be a constant source of distraction. Calls, special offers, Snapchats and text messages often crowd the home screen. This disrupts us since we keep checking our smartphones more than we should.There are a lot of ways to tackle this issue, from putting your smartphone in a drawer to switching off notifications. However, the Airplane mode has a lot of added advantages. First, it is quick since it can easily cut off all applications in a couple of taps. It also means that you can access the stuff that is on your device.
Source: sh-dz

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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