[LG Optimus L9 P760, P765, P768, P769] aaron2z:
This is obviously the most frustrating thing that we all want to do on the L9 (I have the P769 v20h T-Mobile ROOTED). This should work on all L9's. After tons of research I finally figured out a working method through multiple threads. There's methods with DirectoryBind and BusyBox scripts to mount but those were honestly confusing to me and I didn't understand how to operate those.

First off your phone MUST BE ROOTED. If your phone is not rooted here is a thread that will explain to you how to root, the software is chinese but I promise you it works.

Required Items:

Rooted L9

SD Card

Steps:

1.) I repeat you MUST be rooted

2.) Backup your SD cards files on your computer because you will be formatting the SD card.

3.) We must partition the SD Card into two parts. You can do this by downloading any SD card partitioner app but I used AParted.

3a.) Before you can do anything in the "Aparted" app you have to unmount your SD card. You can do this by going to your system settings. Then go to "Storage" then down at the bottom you will see "Unmount SD Card". Click that.

3b.) Now go into AParted. Click on the "TOOLS" tab at the top. You should only have one partition called "Part 1". Checkmark Part 1 and choose delete down at the bottom.

3c.) You now have a completely formatted SD card.

4.) Create TWO FAT32 partitions by going to the "TOOLS" tab at the top. The first partition is considered your SD card so this is where you would store personal pictures and music, etc from your computer. The second partition is where all the apps and apps data will be moved to. So make sure you appropriately size your partitions. Since I keep a fair sum of music I have a 8GB SD card and made the first partition 1.5GB and used the remaining space for Partition 2.

4a.) To make the partition click checkmark part 1 then click create. Under File System choose "Fat32". Make sure to only use whatever space you will need to store music, etc... Do this by changing the "Size" 1000 is equal to a gigabyte. So if you have a 4GB SD card then you can make this first partition 1500 or 2000 (1.5GB or 2GB) but you have to leave space. Now Click ok.

4b.) Now to make partition 2. Checkmark "Part 2" and click create. Under the file system choose "fat32" again. This time dont change the size, just use the remaining space that it shows and click ok.

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5.)Now download the app called "Link2SD"

6.) Once you open the app it will scan a list of all your apps.

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7.) BE CAREFUL with which apps you choose to move, I would say limit yourself to only moving the apps you've downloaded such as ESPN, Netflix, Games, etc...

8.) Choose the program you want to move to your SD card, I chose Cut the Rope.

9.) Click the "Create Link" button

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10.) Make sure all three options are check-marked (Link Application Files, Link Dalvik-cache Files, Link Library Files)

11.) It will finish and you can proceed to link any apps you desire to the SD card, you can go into your system apps and see how much free space is available so you know it worked. You can see on mine I have much more than 339MB used.

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If this helped please give thanks