HOW TO FORCE 3G ON AN ANDROID DEVICE

Most android device come without a separate option for 3G. That is, the 3G is automatic, it only enters when the signal is high.
but most times you might want to force it on the phone maybe because of a slow download and probably because you hate wasting time when you know your internet speed can be improved.

To do this, all you have to do is

Root your device
Download and install superuser
DOWNLOAD and install busy box
DOWNLOAD and install PIMP MY ROM
Grant pimp my rom, super user right
1.Open pimp my rom 
2.Click on Tools
3.Select DEVICE HIDDEN MENU 
4.Click on ACCESS HIDDEN MENU
5.Select PHONE INFO and at the bottom is option for WCDMA.
6.Select WCDMA ONLY and exit PIMP MY ROM.

HOW TO EXTRACT FILES FROM System.img

How to extract files from System.img

These are the instructions to extract files from the system.img
(found in MTK based android stock Rom or Custom Rom) or from any .img file using ext4 tool on Windows Computer.
 

1 : DOWNLOAD and extract Ext4 Unpacker tool on a Windows Computer. 

2 : DOWNLOAD and extract ext2explore tool on a Windows
Computer.

3 : Download and extract the MTK based ROM (For Example:
  TECNO F9 firmware which contains system.img file) on your computer.

4 : Now, Open Ext4_Unpacker.exe.

5 : Click on the folder icon and locate the System.img file or any .img file you want to extract.

6 : Once Image file is loaded, click on the the Save as Ext4
button.

7 : Choose the location where you want to save the .ext4
file and then press Save button.

8 : Wait for few minutes while the ext4 image is being unpacked.

9 : Open ext2explore and select the .ext4 file that you have saved.

10 : Highlight the file you just have imported in EXT2Explore and then press the “Save” button.

11 : Select where you want the unpacked system files to be placed.

12 : After that Ext2explore will extract the system files on
your computer (it may take couple of minutes to complete).

MTK DROIDTOOL ERROR :ERROR - file adbd not install

If you are trying to work with Droid tool and you are faced with this error message. All you have to do to resolve this is 
 
1.Exit PdaNet in system tray if open
2.Close MTK droid tools
3.Disconnect the phone from PC
4.DOWNLOAD Busybox apk
5.Install Busybox on the phone and click Open after installation
6.Wait for initialization to finish (100%)
7.Still in Busybox, click Install wand wait till you get a prompt saying installation was successful
8.Re-launch MTK droid tools
9.Reconnect the phone to PC

If it persists then
1.DOWNLOAD ADBD Insecure apk
2.Install it on the phone and launch
3.Tick Enable insecure adbd
4.Re-launch MtK droid tools

 If you keep getting error: file adbd not install in MTK droid tools then:
* Exit PdaNet in system tray if open
* Close MTK droid tools
* Disconnect the phone from PC
* Download Busybox apk @ http://hovatek.com/redirect.php?link=htt...on.busybox
* Install Busybox on the phone and click Open after installation
* Wait for initialization to finish (100%)
* Still in Busybox, click Install wand wait till you get a prompt saying installation was successful
* Re-launch MTK droid tools
* Reconnect the phone to PC

If it persists then
* Download ADBD Insecure apk @ http://hovatek.com/redirect.php?link=htt...t=download
* Install it on the phone and launch
* Tick Enable insecure adbd
* Re-launch MtK droid tools - See more at: https://forum.hovatek.com/thread-1219.html#sthash.k5izwHko.dpuf

 If you keep getting error: file adbd not install in MTK droid tools then:
* Exit PdaNet in system tray if open
* Close MTK droid tools
* Disconnect the phone from PC
* Download Busybox apk @ http://hovatek.com/redirect.php?link=htt...on.busybox
* Install Busybox on the phone and click Open after installation
* Wait for initialization to finish (100%)
* Still in Busybox, click Install wand wait till you get a prompt saying installation was successful
* Re-launch MTK droid tools
* Reconnect the phone to PC

If it persists then
* Download ADBD Insecure apk @ http://hovatek.com/redirect.php?link=htt...t=download
* Install it on the phone and launch
* Tick Enable insecure adbd
* Re-launch MtK droid tools - See more at: https://forum.hovatek.com/thread-1219.html#sthash.k5izwHko.dpuf

 If you keep getting error: file adbd not install in MTK droid tools then:
* Exit PdaNet in system tray if open
* Close MTK droid tools
* Disconnect the phone from PC
* Download Busybox apk @ http://hovatek.com/redirect.php?link=htt...on.busybox
* Install Busybox on the phone and click Open after installation
* Wait for initialization to finish (100%)
* Still in Busybox, click Install wand wait till you get a prompt saying installation was successful
* Re-launch MTK droid tools
* Reconnect the phone to PC

If it persists then
* Download ADBD Insecure apk @ http://hovatek.com/redirect.php?link=htt...t=download
* Install it on the phone and launch
* Tick Enable insecure adbd
* Re-launch MtK droid tools - See more at: https://forum.hovatek.com/thread-1219.html#sthash.k5izwHko.dpuf

 If you keep getting error: file adbd not install in MTK droid tools then:
* Exit PdaNet in system tray if open
* Close MTK droid tools
* Disconnect the phone from PC
* Download Busybox apk @ http://hovatek.com/redirect.php?link=htt...on.busybox
* Install Busybox on the phone and click Open after installation
* Wait for initialization to finish (100%)
* Still in Busybox, click Install wand wait till you get a prompt saying installation was successful
* Re-launch MTK droid tools
* Reconnect the phone to PC

If it persists then
* Download ADBD Insecure apk @ http://hovatek.com/redirect.php?link=htt...t=download
* Install it on the phone and launch
* Tick Enable insecure adbd
* Re-launch MtK droid tools - See more at: https://forum.hovatek.com/thread-1219.html#sthash.k5izwHko.dpuf