How to Tune a Guitar Easiest Way

If you are  beginner who learn a guitar (or even you are an expert) on each guitar string must be in the right tone when it will be used. To make your guitar is on the right  standard tone on each string you need a guitar tuner.
There are so many guitar tuners device and software in the market or on the Internet,  but if you have smartphone that use Android or iOs, I recommend you to install the free App called GuitarTuna, the extremely fast, easy and professional accuracy guitar tuner.


Reason to use GuitarTuna:
• It is Free
• Easy to use, it tells you if tone is too low or too high
• Professional accuracy.

GuitarTuna uses the speaker of your smartphone to generate the tone/sound , and uses the Microphone of your smartphone for detect whether your guitar string sound is too low, too high or already ok.

• Go to App Store on your iPhone or Play Store on your Android then search for app with keyword: GuitarTuna, and install it.
• After installed, run the App
• Put your smartphone at the front of your guitar
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Using PC Keyboard for Android Device

When you have to write many words in your Android device, computer tablet or Smartphone, it will be easier and faster if using external keyboard, you can use the computer (PC) keyboard.

USB keyboard is used for Android Tablet

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How to Scan QR code or barcode using Smartphone

How to read QR code or barcode using smartphone Android or iOS (iphone)?.
Have you ever bought a product and it said for the more manual information and for the software you have to scan the QR Code. How to do it?

Example QR Code for h0w2.blogspot.com

• First you have to have the App named QRcode reader/scanner in you Smartphone.
• Go to Android Google Play or App Store for iOS.
• Search App with keyword: QR code reader or QR code scanner
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How To Show Android Name in My Tablet / Smartphone

In the Android device, Computer tablet or smartphone, when you go to About device /About phone from the Setting menu, you will see the version of Android, only the version, not the name of Android like : Honeycomb,  Ice Cream Sandwich, etc.
How to show the Android  Name ?

There is a secret way to show  the Android  name.
Go to Setting menu and choose About phone or About device, you will see the Android version
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How to know the wifi channel already used

When you will install wi-fi (access point) device, especially if the wifi device more than one, two or three, then you should pay attention to the wifi channel, because if the channel setting of each device is not correct, the  interference may be happen that may cause the connection to be slow or even dropped.

In general, default settings of wifi device  for the channel is set to automatically, when there are existing wifi signal, the new wifi device  will seek and occupy unused channel.

But just to be safe if you are confident in your area has wifi signal and you will install the new one, the channel should be set up manually. to avoid interference between the devices.
Channel menu on wifi device generally will be found in Wireless section, refer to your device  manual instruction.

The easy way to know wi-fi channel already used in the area, I use Wifi Analyzer, the App for Android. Easy to use and has good measuring result.
Take your Android device, go to Play Store,  search using keyword:  Wifi Analizer , choose the Wifi Analizer from farproc with the logo:

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Replying older message in WhatsApp

In WhatsApp conversation when you want to reply or answer to the older message, you don't need to re-write or copy paste that message. You can do with the simple way.

Here is the trick:

- Tap and hold the older message that you want to be the topic
- Then Click the Reply icon (Android) or Reply text (iOS)

'Reply' icon on Android

'Reply' on Ios

The screenshot of that message will appear above the cursor, now you can write or answer the message.

How to Disable Auto Update Android App

Application update may be important, but some time  it will disturb you if it comes at the wrong time.

You can disable App auto update. When the auto update is off you can do the update manually in other time.

To disable Auto Update the application in Android :

1. Go to Play Store
2. Tap the menu icon

3. Select My apps & games

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Enter to Safe Mode Samsung Galaxy S5

To find out the problem on Smartphone Samsung Galaxy S5 you can get into the Safe mode. In Safe Mode, Apps/applications those you installed (third-party Apps) will not show up or will disable, only Samsung Galaxy S5 default Apps will be active.

To Enter Safemode Samsung Galaxy S5 :

• When the Galaxy S5 is on, press and hold the power button, then it will display the Device options.
• Touch/tap and hold  the Power Off option, will appear Reboot to safe mode tap OK. The smartphone  then will restart and go into Safe Mode.
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Easy Way to Find Installed App in Android

If you have many installed apps in your Android, the problem is when you want to launch an app, you have to see one by one the icon for the app you want to play from the list of apps, it will take the time.

The easier way to go to the app that you want to play/launch in Android is by using Google search menu (not from internet browser).

For Android smartphone (generally) push the Home button, then will display the home screen where you can see the Google search.

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How to Grab / Capture Screen in Samsung Galaxy S without Additional App

To make screenshot in your Samsung Galaxy S4 or S5 smartphone, you can do without any additional Apps.
You can grab or capture the screen using 3 buttons, Volume decrease, Power, and Home by pressing those buttons at the same time.

Grab the screen in Samsung Galaxy S5 by pressing Home, Vol down, and power buttons at the same time

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When my Android lost or stolen

Same as iPhone or iPad, when you forget where you put your Android device, Android smartphone or Android computer tablet (tab), you can send instruction to the device to generate the ringing, knowing the location, send password to lock the device, send message, or if you are sure the device is already stolen, you can erase the device remotely to avoid they use your data.

To access  the device and send the instruction, you can use: computer, smartphone, tablet computer, etc, through the Internet using  the address:
https://www.google.com/android/devicemanager  
use your Gmail Account to set the Android device, and to sign-in to the Android device manager.

In order to make possible this feature, in the Android device, smartphone or tablet  you have to enable the Access location feature and enable allow remotely setting on Android Device Manager menu.


Setting the Android Device, (Smartphone or Computer Tablet)
(In the example below , I use Android 4.4 Kitkat, for other Android is  not too different )
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Detect Earthquakes using Smartphone

The newer smartphone can work as basic seismometers. Seismometer is a device used to determine changes in the ground surface vibration, which is usually associated with the earthquake.

If you have smartphone or computer tablet, uses Android or iPhone/iPad and you want to have  an application to detect an earthquake, just install the application named Seismograph.

For tablet computer and Android smartphone :
• Open Play Store
• Search the App using keyword: Seismograph

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How to Set Language in Samsung Galaxy S5

In Samsung Galaxy S5 (also other devices) if you lost your language and  want  to set it back to your language or you want to set to another language, then you have to go to the Language setting menu.

If  you don't understand the existing language, you can do by seeing  the icon of each step as I will show below.

To go to the language setting menu in Samsung Galaxy S5 (also for other devices using Android 4.4/ Kitkat) :

1. From main display, choose and tap/click the Apps icon

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Use Mouse on Android Tablet

You can use mouse on your Android tablet computer as well as on  PC computer or laptop.

There are some apps in Android that I think required to use the mouse, like Windows Remote Desktop Computer App, remote computer using Android, it will need a mouse because All Windows applications need a mouse.

Wireless mouse on Android tab

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Running Android Apps on PC

There are many ways to run Android applications on the computer / notebook. You can use  Android emulator, Android-x86 installer, Android on Intel Architecture, and the easiest way in my opinion to run Android Apps  is by using  the BlueStacks.

With BlueStacks you can easily run your favorite Android apps on your computer. BlueStacks can be installed on computer using  Windows or Mac OSX.

After Bluestacks installed on your computer, run it , search the app you want, download and install , then play it.
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How To Set VPN Client in Android

To connect to your office network from home or other places, you can use VPN (Virtual Private Network) connection. Most of the operating systems at this moment have capability to be used as a VPN client device.

In the Android to set VPN client,
• Go to Setting
• In the wireless and network menu, tap more
• Tap VPN

• Tap Add VPN network

• If you haven't set the pin yet, you have to create/set to be able create VPN connection

• Create pin (you must remember PIN, don't forget!)

• Tap Add VPN network again (step above) after pin created.

• Give a name for your connection.
• Choose the type of VPN, in the example I use PPTP (Point-to-Point Tunneling Protocol) because my VPN server/gateway of my office network usethe  PPTP.
• Write IP (internet protocol) address of VPN server.
• Tap Save, to save the configuration.

• Now at the VPN Wireless network list will have VPN connection that already created, tap on it to start VPN connection.

• Then you will be asked for username and password.

After connected, you will be able to access you office local network, run local applications, remote desktop etc.


Other posts :
• How to find MAC Address in Android 
• How to transfer files or data on Android via Wifi 
• How to find text or phrase in a page of Android browser 
• Android versions and The Names 

How to Know Android MAC Address

Every Network interface device that use TCP/IP protocol (NIC or WNIC) will have a MAC address (Media Access Control address) on it.
By knowing the MAC address of a computer, tablet computer, smartphones, etc, you can set the access such as whether the device is allowed or not to access your network (eg wifi).

To know MAC address on the Android device :
(In the following example, I  use Android 4.3 Jelly Bean)

1. Go to  Settings menu
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No eligible devices for app install when Installing BBM for Android

Now BBM (Blackberry Messenger) application is available for Android, you can go to  Google Play Store to start download and  installing it to your Android device.

Minimal requirement to install BBM (Blackberry Messenger) for Android, the version of Android   must  be Android 4.0 (Ice Cream Sandwich).
At this time when I write this post, some of them  who have Android 4 (ICS) can't install BBM on their device, when go to the link above to download and install BBM, will get the error,   it say : No eligible devices for app install, So What you have to do ?

One of the solution :
Try to install  BBM for Android using APK file (Android application package), you can get the BBM Apk file from other Android device that already has the BBM Application on it. Or you can download the BBM APK file from here.
Tap on the APK file to start install the BBM for Android.


 Good Luck.

See Also :
• How to transfer files or data on Android via Wifi
• How to find text or phrase in a page of Android browser