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DIY

How to Install Driver for Android Tablet

August 19, 2014 by Tablet Guru 69 Comments

Here  we are going to describe how to install drivers on android tablet & mobiles.

1-    The very first step in installing driver is to connect the Tablet to the computer through USB.

2-    Now back to the PC , in some case the driver are installed automatically while in some we have to manually download the driver.

3-    In manual download ,we have to go to device manager which can be open through search menu on start icon.

4-    Under the device manager menu , click on other , then under other there is android option, right click on it and then under it click on update software.

drivers not detected

5-    There appear two option ,select the first option which will look for the driver on the internet. Your PC must be connected to internet. If this method fails then try on next method.

6-    Again right click on android option and select update driver software.

7-    Now stick to the second option ( Browse My computer for driver install), there appears two option , select the first one and click on browse to set the folder path, if the driver is in the computer then it will install it. But if  the driver is not on PC, switch on to next method.

8-    The third method as similar to first two, right click on android , then click on update driver software. After it select the second option , here again two option arrive , out of which select the second option.

9-    Now several icon appears , out of which select the ADB interface , if the driver are present on the PC it will appear but if the driver is not present ,this method will not work.

Now coming to the next method, we have to install the driver using ADB driver installer.

Download and open it. Below is the interface of the Adb Driver installer.

adb installer for android

10-   Now a menu appears in which our tablet has been enlisted and then click on install . wait for few seconds then a icon appears which shows that driver installation successful.

Now move back to device manager and check whether  the driver is showing or not.

You can have anyone of these methods to install driver successfully on your tablet.

Filed Under: DIY, Tablet PC Guide

Run Java & C program on Android Tab

March 4, 2014 by Tablet Guru 2 Comments

Android : Coding on the terminal

Terminal is a command-line interface where the user can give and execute text-based commands. Command Prompt (CMD) and PowerShell on Windows are some examples that will give an idea. It is not as widely used by the average user. In fact, such an interface is preferred only by more advanced users who want to get deep down into the basics of the working of the system and allows to get to the back end of a program.

Terminal IDE :

Terminal IDE is an expandable terminal application, with a full Java / C / C++ / HTML / Android development kit, that runs on your Android device. Yes, it is available for free.

It uses the command line, with many powerful and robust open-source applications, plus a custom ASCII on-screen ‘soft’ keyboard that works well (You must ENABLE it in your device’s main Keyboard Settings).. and also has an extensive generic external ‘hard’ keyboard key mapper. This way CTRL / ALT / ESC etc.. should all be accessible. The app runs without requiring any root user permission.

NOTE : This app cannot be installed onto the SD card because you do not get ‘Execute’ permissions on that mount. It must run in this app’s private memory on the device.

Running a C code :

1. Download and install Terminal IDE from Google Play store.

2. Run the app. You will be presented with a number of options. Click on Install System and follow on screen instructions.

3. Now tap on Terminal IDE. $ prompt opens.

4. To setup GCC, type ”  install_gcc ” without quotes and execute the command. This unpacks the GCC package.

5.  Navigate to system/src folder using cd  ( cd ~/system/src ) command and create a folder using command “mkdir myccode”. You may name the folder as per your desire. (here named myccode)

6. Create a source file, say test.c, using the command ” cat > test.c ” without quotes and execute it. Now you can type in the code. Try the classic “Hello world” to keep things simple.

7. Once you have finished typing the code, press volume(-) button + C (onscreen -keyboard) to terminate cat command.

8. To compile the code, use the command  ” terminal-gcc -c test.c ” without quotes.

9. If the code compiles without any errors, proceed to create the executable file using the command “ terminal-gcc test.o -o test ” without quotes.

10. Run the program using the command ” ./test ” to see the output.

Running a java code :

1. Open the terminal. Navigate to system/src folder using cd command and create a folder using command “mkdir myjavacode”. You may name the folder as per your desire. (here named myjavacode)

2. Create a source file hello.java using the command “cat > hello.java” without quotes and execute it. Now you can type in the code. Try the classic “Hello world” program to keep things simple.

public class hello {
public static void main(String[] zArgs) {
System.out.print(“Hello World”);
}
}

3. Once you have finished typing the code, press volume(-) button + C (onscreen -keyboard) to terminate cat command.

4. To compile the code, use the command  ” javac hello.java” without quotes. You will now have a file named hello.class in the same directory.

5. If the code compiles without any errors, proceed to create the executable file using the command “ dx –dex –output=hello.jar hello.class” without quotes.

6. Run the program using the command ” java -jar hello.jar hello ” to see the output.

Happy Coding !

Filed Under: DIY, Tablet PC Guide

Simple guide to Tablet Rooting

February 3, 2014 by Tablet Guru 11 Comments

There are times when we feel we could alter the OS or the Apps pre-installed in our Tablet PCs. But the manufacturers keeps any kind of alteration provisions inaccessible normally. They do so to prevent us from hampering the product, say a Tablet PC, from getting exposed to numerous malicious software out there. But an informed user can prevent its Tablet from all sort of viruses and at the same time widen the usability of his/her Tab.

Rooting is a method by which a user can actually free his/her Tab from all the product specific limitations and utilize the Tab to the fullest, making the most out of its hardware.

There are clear advantages and disadvantages of rooting a Tablet PC or any smartphone. If you want to add or deleted any App or have a whole new OS, you root your Tab. But if you root, your Tab is no longer covered under warranty/guarantee. Your Tab is more prone to external threats and hence, you got to be more informed about suspicious Apps out there.

What is rooting: To ‘root’ Is essentially removing the handcuffs of the Android software. Android is already an open software, but manufacturers put an added restrain on the extent you can modify the stuff on your phone.

Advantages: Rooting removes that restriction and provide you developer like advantages on your phone, increase the hardware performance, install and use kernel level programs and even install custom ROMs which are not provided by your manufacturer.

Disadvantages: Rooting process in itself is not risky, but what happens after rooting clearly is. Android losing its control to the user will expose the tablet contents and will be prone to malicious software, if you are not careful enough. Plus, it voids the warranty of the device by the manufacturer. So tread very carefully. If you are not in a state to risk your tablet with experiments, don’t root.

How to root : As said earlier, rooting is quite easy and is generally one or two-click affair. There are lots of software tools available depending on your device’s compatibility. Check out the links below to see if your device can be rooted:

The actual process:

Step 1: Backup everything! You might want to take a backup of all your apps, contacts and settings before you proceed, since it may be lost while rooting. This doesn’t usually happens but just in case anything goes wrong.

Step 2: Enable developer mode on the tablet. Go to settings->Applications> Developer Mode and tick the option ‘USB Debugging’.

Step 3: Download the rooting tool. We used  SuperSu to root our Micromax Funbook P255.  Install and run the app and you are done.

Note: The process might varies from tablet to tablet and also all rooting app might not be compatible with your tablet. See the rooting process for Nexus 7 2013 tab.

Filed Under: DIY, Tablet PC Guide

How to Increase the Internal Memory Storage of an Android Tablet

January 24, 2014 by Tablet Guru 200 Comments

What do we mean by increasing the internal memory?

The external memory will be converted (shown as) into internal memory and internal memory will be converted into external memory

Things to consider:

  1. This process includes manipulating the system files which might render the warranty of your tablet void.
  2. Tablet must be rooted. See Tablet Rooting Guide
  3. This process might not work for all tablets
  4. By increasing the internal memory, you can install bigger apps and games which require more memory
  5. Preferably do this when you have installed 8 GB or more external memory

This process has been successfully tested on the “Micromax Funbook P255” with internal memory of 4 GB, Usable internal memory of 1.5 GB and External memory (SD card) of 8 GB.

App required: SuperSU and Root Explorer (apk can be downloaded easily from the internet)

Step 1: Install the SuperSU app

  • Go to settings
  • Enable the Super User by selecting a checkbox (in some cases it might be already enabled)
  • Close the app
  • This process is called as rooting. The very same process might not root all tablet. Process differ from tab to tab.

Step 2: Open the Root Explorer app (it enables us to explore the android system files)

  •   Go to the “system” directory or folder
  •   Then go to the “etc” directory
  •   Scroll down to find the file “void.fstb”
  •  Open the “void.fstb” file using a text editor

Step3:  Look for the lines

  • “dev_mount sdcard /mnt/sdcard” and change it to “dev_mount sdcard /mnt/ extsd”
  • “dev_mount extsd /mnt/extsd” and change it to “dev_mount extsd /mnt/ sdcard”

Make sure that you only make changes to the word “sdcard” and “extsd” and nothing else. This will show the internal memory as external memory and the external (SD card) as internal memory.

Once done, save this file and go back to Root Explorer.

Step3:  A backup file named “void.fstb.bak” will be automatically created. Delete this file by pressing hold the file and select delete. Close the Root Explorer app.

Step 4: Switch off the tablet and switch it back on. Go to Settings then storage and check internal storage. The internal memory has changed to 8 GB (storage capacity of the SD card) and the external memory has changed to 1.5 GB i.e. the internal usable memory.

Note : If the above method does not work and your tablet is not starting or hangs at logo. Then follow the below links to fix it.

  • Hard Reset Tablet
  • Flash the Tab

See the video demo.

 

Filed Under: DIY, Tablet PC Guide

Steps to Flash Micromax Funbook Tablets

December 19, 2013 by Tablet Guru 114 Comments

Flashing is the method of re-installing Android on a device. The process varies from Tab to Tab, depending upon the company it belongs to, but mostly they can be flashed using Pheonix card and LiveSuite software.

See the Flashing of Tablets using Pheonix card software.

Almost all  the Micromax Funbook Tabs can be flash with LiveSuite software. Download the software from here.
Extract the LiveSuite Pack and in the extracted file click on LiveSuite.exe file,  following which the below shown window appears.

LiveSuite for android tab flashing

The method of flashing the Funbook tab are as follows:-

1) In the above window click on  the SelectImg option and then select the path of compatible Android ISO file for your tablet.

2) After this press the volume up (+) button in the Funbook tablet and connect the tablet to the computer through the USB wire, after attaching the wire to the tablet press and release the power button 4-5 times.

3) Two windows will appear on the computer screen, select ‘Yes‘ in both the windows.

4) After this, the Android installation on tab will begin which will be indicated by the progress bar. As the bar reaches 100% mark, plug out the USB wire from the tablet and then restart it.

5) After fresh installation of the Android will take around 5-10 min to start the  tab.

Tablet Model Download Link Notes
1) Micromax Funbook Talk P350 Download See instruction video here
2) Micromax P300 Download –
3) Micromax P275 Download –
4) Micromax P255 Download

See the flashing of the tab in the video

Filed Under: DIY, Funbook, Micromax, Tablet PC Guide

Unlock Android Pattern Lock With Command Line Prompt

November 24, 2013 by Tablet Guru 72 Comments

Here you will be knowing how to unlock an Android tablet pc using command line prompt on a  general Computer PC by accessing the Android shell.

To unlock pattern password through your Computer PC, first you need the following software:-

1) Android Developer Tool. ( Only one folder of Android Developer tool is required i.e.  platform-tool) download the Full Android Developer tool from here (400 MB)  or if you want only the platform-tools file then click here (900KB) to download.

2) Tablet PC drivers.

Also See :

  1. To unlock the tablet through hard or factory reset
  2. Other methods of pattern password unlocking 

Now note the following steps required to unlock the tablet:

1) Connect the tablet to your system through a USB cable. The system will automatically detect the drivers for the Tablet PC. To check if the drivers were detected, you can right click on the My Computer icon. Then click on Manage option in the appeared menu and select the option Device Manager.

tabelet pc drivers

2) In case the Drivers are not detected automatically, then the sign shown below will show up  in the Device manager. This means the drivers have to be installed manually.

drivers not detected

Under the option “Other devices” select “Android“. Right click on it and then select “Update driver“. In the window which comes next, following two option will be available:-

1. Select automatically for updated driver software.

2. Browse My computer for driver software.

Select first option but make sure you are connected to the Internet. After clicking on the first option the drivers will be downloaded from the Internet.

If the drivers were not installed automatically then you will have to go for the 2nd option which says “Browse My computer for drivers software“.   Click on it and located the drivers folder on your computer itself.

After the drivers have been installed. Open the command prompt, for that go to Run and type cmd then press Enter.

  • Also see different steps to install driver on Android Tablet.  (Video guide)

In the command prompt, change the drive location to the downloaded drivers location. For this use the command “cd <folder path>” eg. cd desktop/platform-tools

When the folder ‘platform-tools’ path is brought in the command line, type the command adb shell and press Enter. Now enter the command rm /data/system/gesture.key and press enter.

unlock tablet commandsCheck other Unlocking Software for PC:-
1- Allwinner Tablet
2- Rockchip Tablet

Thereafter,  look into tablet and give any pattern sequence. Your tablet pc will get unlocked.

Filed Under: DIY, Tablet PC Guide Tagged With: Android pattern lock, Android Shell, command line prompt, Unlock

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