How to increase the internal memory storage of an android tablet?

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. This process might not work for all tablets
  3. By increasing the internal memory, you can install bigger apps and games which require more memory
  4. 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.

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.

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17 thoughts on “How to increase the internal memory storage of an android tablet?

  1. Please post how to root Micromax P280 as well. Thanks in advance :)

  2. Imran Quraishi says:

    When i edit the lines it is not saved an it shows error

  3. Renz matthew notarte says:

    My tablet is arc mobile 702m . . .is your method . ,can be applicable to my tab plzzz reply. I know that you are expert in this thankzzpllllz

  4. bhagwat singh says:

    Sir tell me ,will this process work on hcl me connect 2g 2.0 ??
    ANDROID 4.1.1 jelly bean
    Plz reply

  5. Imran Quraishi says:

    Can it works on micromax funbook p280

  6. my android tablet micromax p410 shows internal memory under storage. I followed your steps . I changed sdcard2 to sdcard3. this changed the SD card memory to phone storage and vice versa. but internal memory is the same. can please tell me what to change in void.fstab so that to increase internal memory. please advice.

  7. Diwash Bista says:

    I had download supersu but I opened then it says subinary not installed

  8. I have an android phone (blu studio 5.0) 4.1.2 version with an internal size of 2GB and external 16GB. I have transferred all my downloaded and movable apps to the sd card I have also made the sd card the primary storage location. Yet I have low memory warnings. In settings it shown that 1.96 of the 2GB internal is available yet I have these warnings and in some cases no access to certain apps like bbm and whatsapp. How can I rectify this?

  9. my android shows internal memory, SD card and phone memory under storage. I followed your steps … I see void.fstab, void.fstab.fat.nand , I changed sdcard0 to sdcard1. this changed the SD card memory to phone storage and vice versa. but internal memory is the same. so what I should do to increase internal memory. please advice.

  10. I want to increase memory in HCl me table connect 2g 2.0

  11. Does same process of increasing memory works in 4.2 JB android platform with same micromax 255 hardware specifications.

  12. sagar gandale says:

    you are running gta and fifa etc games on micromax p255 and it is laging not in just case of these dead trigger,shadow gun etc i am saying that is the problem can be solved increasing processor speed by set cpu app is it work? Is it harmful for micromax p255?please check out upload video on youtube since graphics of tablet good processor should be slightly better

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