How to Partition Android SD Card Easily by Android Partition Manager

You can save your data and files on computer, SD card, and mobile phones. But as time passes, the capacity may not be enough for you anymore. So it is necessary to partition.

PS: if you have problems with SD card won’t format or GPT Protective Partition Error, these are just for you. And also get to know how to recover files from raw partition here.

Part 1: The Definition of Android Partition Manager & Partition

A partition is a division of a logical database or its constituent elements into distinct independent parts. Usually a partition is made to release the pressure of internal storage of the device. Or we can say people set up partitions on the SD card to make more room on the internal storage. Partition of the disk will improve the working efficiency. What’s more, a partition may greatly accelerate the process of Android OS.

Android Partition Manager

The Android Partition Manager is an useful app that allows you to make partitions on your Android device. You can copy, delete or flash as you wish. This movement enables you to make more space so that more apps can be installed on your Android device.

Part 2: The Steps of Partitioning Android SD card

In the following instruction, we will show you how to partition the SD card for Android one step after another. Just follow the instructions.

1.What you have to prepare
  • Jelly Bean ,Android Gingerbread or Ice Cream Sandwich: With these tools, you are able to speed up the working process, lengthen your battery usage time, manage your application better and get more comfortable gaming experience.
  • Busy Box: This app is installed on your Android device to make extra Linux-based commands for you. This is a necessary app because you will need some crucial commands to root your device while they are not approved.
  • A smart phone or other Android device.
  • The MiniTool Partition wizard . It can be downloaded from the Internet.
  • A SD card or Micro SD Card that has at least 8 GB storage space.
  • Link2SD: This app allows you to transfer apps to the SD card easily. With the app, you are able to view, list, sort,repair or manage the application. You can go to Google Play Store to download and install the tool.
  • Swapper 2 (For users who would like to root the device)

Read the notice below before you start the partition.

To start with, be aware that you are about to format the SD card. This means all the data on the card will disappear. So make sure you have backed up all the files on your computer.If your SD card doesn’t have enough space to store every data of yours, then just choose the most important files to back up.

In order to partition the device successfully, you need to root your Android device before that. The rooting process is various between different devices running the Android OS. You should know that rooting is a very risky movement since it may destroy your phone and undo your warranty. If your phone is damaged by rooting, most phone manufacturing companies are not responsible for it. Therefore, you need to be responsible for the risk of rooting.

2. Root Android Device Step by Step

At the very beginning, unlock the bootloader. If you have no idea what a bootloader is, pay attention to instructions we offer below. A bootloader is actually a system made to guide the operating system kernel to boot. Normally, it is locked because the manufacturer allows no access to the operating system. When the bootloader on your device is locked, it is impossible to install a new ROM without unlocking it. A force break may damage your device permanently.

2.1 How to Unlock Bootloader

Note: The instructions below are only for Stock Android OS devices like Google Nexus. Stock Operating System of Google is based on an Android with no change of user interface UI.

Step 1: Get the Android SDK downloaded and installed on your system.

Step 2: After you finish installation the SDK, turn off your device and turn it on in the bootloader mode again. See how to get into the bootloader mode below:

  • * Google Nexus One: Press and keep holding the trackball and power button at the same time.
  • * Google Nexus S: Long press the power and volume up button at the same time
  • * Google Galaxy Nexus: Press and hold the power button, volume down and volume down at the same time.
  • * Google Nexus 4: Power and Volume down button simultaneously
  • * Google Nexus 7: Power and volume at the same time
  • * Google Nexus 10: Press the volume up, volume down and the power button at the same time.

Step 3: Use a USB cable to connect your Android device to your computer. Wait till all the drivers are installed automatically.

Step 4: When the installation is finished, locate to terminal interface on your computer/command prompt and input the command fastboot oem unlock.

Step 5: Press enter right now. There will be an alert about bootloader unlocking showing on the screen. Look through the instructions carefully and press the volume up button and power button if you are confirmed about your choice.

At this point, you’ve unlock the bootloader on your device successfully. Cheers!

Note: For non-stock Android device, you can get the unlocking tool from the website of the manufacturer directly as long as you know the model of your device. For example, you can download an SDK from the HTC official website. But Samsung users have to notice that the official website doesn’t have the section to download unlocking tools. For Samsung users, you can search for suitable tools on your own. For Sony users, you are able to use the available tool to unlock the bootloader. Make sure you install the right version for the model of your device. As for LG users, there is no official tool on the website for you to download. However, you can give it a try on the Internet.

2.2 How to Root Android device

After you unlock the bootloader successfully, it’s time for you to root the device. Rooting means that you have the right to freely access to your device and no longer restrained to the manufacturer. We still have to remind you that you have to extra carefully when rooting the device.

According to the operating system of Android device or the manufacturer, the requirements of rooting is not the same among devices. However, a universal rooting procedure is available for you which really save your time and energy. The universal rooting procedure can be applied to almost every hot Android devices along with some less popular devices. So just try the following solution out.

1. Use SuperOneClick to root your device. Before you try this solution, you have to get the new version of the app and install it on your computer.

2. Make the connection between your Android device and your computer.

Warning:Do not mount the SD card on your PC. The way we suggest most is to plug it in. Remember to open Settings and tick the USB debugging.

3. Click Root on SuperOneClick at last. However, if there is a NAND lock on your device, you maybe unable to pull the unlock process successfully through unrevoked. In case like this, you need to click Shell Root instead of Root. Check out in the following picture.

4. After you hit the Root button, you can wait for a while for the rooting process to end. When it is over, make sure you will reboot the device.

3. Partition Android SD Card Now

We take the 16GB Micro SD card for an example in the following instruction, but you can pick any SD card larger than 8GB. Follow the steps below carefully to prevent from potential issues. However,the article are not responsible for any negligent damages of your Micro SD card, hardware or the device itself.

Use an adapter to connect the SD card to your computer at the beginning.Launch MiniTool Partition Wizard Manager. You can download the app online.

There will be five partitions showing on the SD card. You only have to pay attention to the partition 4 named FAT32. Now it’s time to dissect the partition to your wanted size. This is the place where all the files are saved.

In the column “create as”, choose as primary. Decide the size of this partition by splitting about 32MB for the swap partition and 512MB maximum for your applications. You should set the 512 partition as ext4 or ext3 and lab;e the 32MB partition as swap. Beside from 32, a specific ROM may require a different number. So you can just follow what is suggested by your ROM developer.

Since you already reserved all the room of the Micro SD card for one of the 3 partitions, you can hit the button Apply and wait for a while. Make sure all the file system such as FAT32 and Ext2 are properly set as Primary.

Put your SD card back to your device and reboot it.Open Google Play Store and get the Link2SD downloaded. After you install and run the app, you are asked to select among ext2, ext3, ext4 and FAT32. Choose ext2. Your applications will be installed in the ext2 partition.

When you create the manuscript successfully, get your device restarted immediately. Click link2SD to find whether the message indicates. If not, you can be relieved because the process is successfully done. At this moment, Hit Link2SD, then go to Settings, at last Check the auto-link. By following the steps, you can transfer apps automatically after installation to the ext4 partition.

Hit the option Storage Info to check out the memory. You will get the hang of the current state of your ext2 partition, FAT3 and internal memory.


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