About Android, ROM And RAM
Android, designed by Google, is a mobile operating system for touchscreen mobile
devices like smartphones and tablets. In this article, Android refers to Android
smartphone. Nowadays, although there are different mobile operating systems like iOS
for Apple, Symbian, Windows Phone and Blackberry OS. However, Android is the most
popular OS in the field of smartphones due to its open source code and
customizability.
Besides, you have to know the difference of ROM and RAM: ROM is the abbreviation of
Read-Only Memory, which includes the space of Android operating system,
applications, and user’s documents like pictures and videos, etc. ROM in the
smartphone is just like computer’s hard disk. RAM stands for Random Access Memory,
also named internal memory, which is like the computer memory. The mainly function
of RAM supports the operation of mobile phone software, and the data exchange for
the operation. And most important, RAM is the main factor for smartphone running
speed.
Why Extend Memory to SD Card for Android Phones?
With the daily use of smartphone, you will find the Android phones is running out of
space due to the installed applications, caches and other user documents. Thus, you
can’t install other apps and store other data, as well as the Android smartphone is
running slowly. How to fix the problem? Although you can clear the unused software,
old data and caches, you cannot spare much space for your Android handsets. If you
do that, you will encounter this “insufficient storage available” error message
again after a while. How to increase internal storage of Android phones at this
circumstance? The best way is extend memory to SD card for Android phones.
Expand Internal Memory to Android SD Card Overview
Many Android smartphones built-in a SD card slot to do that Android extend memory to
SD card. Here, we are speaking of extending memory also means extend virtual RAM and
ROM, then you would store documents, install programs, and more. Increase virtual
RAM means you can borrow some space (Ext3 format) from SD card (FAT32 format) to
store some installed applications that can be run directly from SD card without
having to be installed on your RAM internal memory. How to realize that Android
extend memory to SD card?
Before You Do
There is something you have to pay attention:
Your Android phone must be rooted;
An 32GB SD card (class4 or more);
SD card reader;
Best SD card partition tool;
Install Link2SD on your Android phone.
Partition SD Card to Extend Memory for Android Phones
As we all known, partitioning SD card into a FAT32 partition and an Ext3 partition
(for virtual RAM) is critical at this moment. How to partition a SD card for
extending Android memory? You can try the best SD card formatter-AOMEI Partition
Assistant Professional, which allows you perfectly partition SD card for
Android increase internal memory to SD card.
Before you partitioning, please backup all the data on SD card, then connect your SD
card with your computer; then download AOMEI Partition
Assistant Professional, run the procedure after the installation, delete all
partitions on that SD card, then partition SD card properly. Below is how it works:
1. On that main window of the software, right click the SD card and chooseCreate Partition.

2. Choose FAT32 as the File System for SD card, locate the
mouse pointer at the right border of the partition, drag the double arrow leftwards
to adjust the partition size, then click OK.

3. Click Apply to create an FAT32 partition.

4. Right click the unallocated space, select Create
Partition at the drop down menu.

5. Select EXT3 as the file system of the second partition,
click OK.

Tips: Windows can only recognize the primary partition on a
removable device, so the second partition has no drive letter.
6. Click Apply at the upper left corner of the toolbar to
confirm the operation.

After partitioning the SD card, you can insert the card back to Android phone and use
the Link2SD application to do that Android extend memory to SD card, it’s the
easiest part of these operations. In addition to partition SD card, AOMEI Partition
Assistant Professional gives you the ability to remove
write protection for SD card, convert SD card between NTFS and FAT32 without
losing data, and more. Besides, AOMEI Partition Assistant
Standard provides many basic features for you; if you’re a server user,
just try AOMEI Partition Assistant
Server.