Android is awesome. With the user base of more than a billion people, it is by far the most used and the most popular mobile operating system. Every year we see tons of smartphones launch in the market which eventually leads to an increase the number of people who use this OS.

Since the launch of Android OS back in 2008, it has received very significant improvements and updates. With a new version of the OS, we get new features, new tricks, more stuff to make it easy to operate and useful. Here are 3 very simple and useful tricks I think every Android user should know.

1. Swipe Trick in Calculator


A Calculator is available in every Android phone and is useful to almost everyone. It can easily perform simple but large addition, subtraction, multiplication, and division that might take some time for you. But did you know that it also has options for finding out the square root, sin, cos, tan, log, and few other related stuff? All these option can be accessed by performing a swipe action from the right of the existing functions. To be more precise, swipe from the green-ish colored bar on the right edge of your screen.

Another simple calculator trick is to long press the “DEL” button to delete all the numbers at once.

2. Fix “Camera failed” Problem

useful tricks

I have never faced this but it is a quite common¬†problem among fellow Android users. Sometimes the camera app will not open and a pop-up appears on the screen stating “Camera failed”. Here’s how to fix it.

  1. Open your phone’s settings app
  2. Go to “Apps manager” or “Apps”
  3. Look for “Camera” and open it
  4. Tap on “CLEAR CACHE”. This should fix the problem
  5. But if the problem is not fixed yet, try clearing app data.

3. Fix No Audio Problem in Motorola Moto 3rd Generation

Alright, this happened with me a few days back. Everything was working fine and then all of a sudden there was no audio in my phone. It won’t ring when a call comes, it won’t make a sound when a notification comes, no audio is games, no audio in music or videos. But everything worked fine if I use a headphone; everything was audible.

When I looked for it on the internet I came to know that other users of this phone have also faced this problem and a lot of them were saying that the speaker of the phone is damaged and I’ll have to get it repaired.

But that’s not the problem and you can fix it by yourself without giving it in repair. If you own a Moto G3 and are facing this problem, here’s how to fix it.

  1. Turn your phone off
  2. Press and hold volume down and power button simultaneously for a few seconds and then release the buttons
  3. Now you’ll see various information on the screen about your device
  4. Use the volume buttons to navigate to “Recovery”
  5. Press Power button to select it
  6. Now you’ll see an android with open chest on the screen
  7. Now press and hold the power button for a few seconds and then press volume up button
  8. Now you are in recovery mode
  9. Navigate using volume buttons until you find “Wipe cache” or “wipe cache partition”
  10. Press the power button to select it
  11. Once the cache is clear your phone will reboot
  12. The problem should be fixed now



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