Solved! How to swap the internal and external SD cards so apps install externally

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android94301

Senior Member
May 28, 2012
208
134
If you are like me and bought the 16GB version of our beloved SG3, thinking you could always move apps to the external sd card, then this mod is for you. It swaps the internal and external sd cards so apps install on your external card, because your phone is fooled into thinking the external card is the internal card.

I suggest that if you are going to do this, you should probably do it right after installing a new ROM, and before you install any apps. That way everything will get installed onto the external SD card.


I didn't invent this, Zedomax adapted in from mattiadj. But most people haven't been able to get it fully working, probably due to variations in the init.d function of various ROMS. They'd be able to see the External SD card as the internal SD, but the internal SD would disappear. This method avoids using init.d, and instead uses the app Script Manager to load the script on boot.

After much fooling around, I figured out how to do it so the External SD card and the internal cards are swapped, but you can see both with any file Explorer. I got it working on CleanROM 2.0, but it should work on Beans 10 as well.

Here's how to do it: Warning, if you do not understand the following instructions, or don’t have experience doing these things, you probably don’t want to do this hack. I am not responsible if you a) brick your phone, b) delete your data, or c) get very frustrated. That being said, the most likely failure will be that you only see the one card (the External card).

Back everything up that you care about first!!!!

1. First, I'd recommend making a Nandroid backup of your phone.

2. Next, just to be extra safe, I would backup your internal SD card to your PC. While you are doing that, if you have data on the external SD card, back that up too.

3. Next, I would format your external SD card to fat 32. (You could probably use Ext format too, but I didn’t test that.)If you already have it in that format, and have content on it, this won't affect the content, but back it up just to be safe. It’s probably better to have the Ext SD blank to begin with, you can always copy back its content from your pc.

4. Next copy the contents of the internal SD to the External SD card. This is to avoid confusion about apps and such.

5. Next install script manager free from the play store:
https://play.google.com/store/apps/...anager&feature=nav_result#?t=W251bGwsMSwyLDNd

It will show up on your phone as S manager ads.

6. Download the mod from here: http://downloadandroidrom.com/file/...ternalsd_gs3_fat32orextfat_US_ZEDOMAXv0.2.zip

7. You’ll see a folder called: 11extsd2internalsd_gs3_fat32orextfat_US_ZEDOMAXv0.2.zip

You need to unzip the folder, then go to System/etc/init.d and copy the 11extsd2internalsd file from there to your phone. Put it into the /data directory. Use Root Explorer, and your phone will need to be rooted.

(https://dl.dropbox.com/u/6305/SD Card Hack SG3/11ext file in data directory.png)

Or you can get just the 11extsd2internalsd file here: https://dl.dropbox.com/u/6305/SD Card Hack SG3/11extsd2internalsd



8. Using Root Explorer, navigate to that file in the /data directory. Press and hold the file name until the menu pops up, and click on permissions.

https://dl.dropbox.com/u/6305/SD Card Hack SG3/Permissions.png

(Unix geeks set them to 777, and everyone else copy the picture below. Click OK.

https://dl.dropbox.com/u/6305/SD Card Hack SG3/Permission settings 777.png


9. Open the script manager app, and select Browse as Root in the config screen. Tell it to remember this setting.

https://dl.dropbox.com/u/6305/SD Card Hack SG3/Script manager browse as root and save.png


10. Navigate to the /data directory and choose the 11extsd2internalsd file that is located in /data and click on it. Click on the “Is script” button.

11. Now tap on the buttons that say Su, Boot, and Save. The file name will come up in yellow after the save.

https://dl.dropbox.com/u/6305/SD Card Hack SG3/Script manager setting after save.png


12. Reboot your phone and you should see the swap working and be able to access both internal and external SD cards. The external card will show up as sdcard, and the internal card will show up as extSDCard. Your apps should now install to the external card, since your phone will think it's the internal card. Is that confusing? It was to me too!

Good luck and please share your experiences specifying which ROM you used, so that others can avoid frustration.

Thank you’s always appreciated.
 

mjdavis871

Senior Member
Aug 24, 2011
508
134
SF Bay Area, CA
On my X2, this same mod was done via a flashable zip...not sure how it worked, but it was worked perfectly. At some point the roms incorporated the flip flop as part of the Rom. I like the feature because I wouldnt need to move certain app data to my external sd card. Also, I wouldn't have to show tibu where to look for my backups.

Sent from my SCH-I535 using Tapatalk
 

maniac2k

Senior Member
Jun 28, 2009
534
110
Just flashed this on aokp and both sdcard and external_sd are my physical sd card. The internal card is not showing.

Op, can we get an cm10 ver?
 
Last edited:

maniac2k

Senior Member
Jun 28, 2009
534
110
Did a little playing around. Below seems to work on cm10 aokp. Can op confirm this is good?

mount -t vfat -o umask=0000 /dev/block/vold/179:97 /storage/sdcard0
mount -o bind /data/media /storage/sdcard1
 

android94301

Senior Member
May 28, 2012
208
134
Did a little playing around. Below seems to work on cm10 aokp. Can op confirm this is good?

mount -t vfat -o umask=0000 /dev/block/vold/179:97 /storage/sdcard0
mount -o bind /data/media /storage/sdcard1

Not sure, but take a look at the code from 11ext2internalsd file. If it works, and you can see both sd cards, then you've nailed it.
 
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maniac2k

Senior Member
Jun 28, 2009
534
110
Yeah sorry, im running the script apk. It seems to work. I just dont understand the exacts of the vold/179:97 or if it should be vold/197:96?

When i go into settings/storage, should my physical sdcard stats be showing under internal memory?
 

maniac2k

Senior Member
Jun 28, 2009
534
110
Update: ive been using the script below for a littlw while and it is working great on cm10. It is best to enable it after a fresh rom install.

mount -t vfat -o umask=0000 /dev/block/vold/179:97 /storage/sdcard0
mount -o bind /data/media /storage/sdcard1
 

frank2306

New member
Nov 9, 2012
1
0
Apps Did Not Move After Internal / External SD Swap for GS3

Well I thought everything went perfectly because as mentioned, when I go to storage my internal shows my 64g card and internal of 12g now shows as external. However the apps are still on my internal which is now called my external and when I go to app manager it shows remaining space 5.9g. So I am not sure what I did wrong because I have reviewed this several times and started right after I installed a fresh rom . I am hoping someone can help me correct this because basically all it did was change the name of the two drives but apps are still getting installed to original location. Thanks in advance for any help you can give me
 

Rahul_Gautam

New member
Dec 5, 2012
1
0
Swapping internal>external did not work

i followed all steps as stated above but when I go to File Manager (default), long pressing Internal SD>Details show 1.2 MB and External SD shows 1.8 GB which is not true. I have external SD of 8 GB and internal is 2 GB in my micromax a110 phone.

The steps above did not work to swap the memory but it now shows even incorrect size. I installed Root Browser lite but got no way to chck the size of the SD cards.. Please help :(
 

Muscleboy

Senior Member
Feb 2, 2010
53
0
Does this work with the new Verizon Jelly Bean which they are now sending out via OTA? Are there other Verizon S3 Jelly Bean Roms that are known to work with this method? Thanks
 
I am unable to change the file permissions to -rwx-rwx-rwx- whenever I try to change it I get an error that the phone is unable to change permissions.


EDIT:
Successfully changed permissions and followed the instructions as given. Still not working on the international S3, my internal memory is still 16 GB and external 32GB
 
Last edited:

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    If you are like me and bought the 16GB version of our beloved SG3, thinking you could always move apps to the external sd card, then this mod is for you. It swaps the internal and external sd cards so apps install on your external card, because your phone is fooled into thinking the external card is the internal card.

    I suggest that if you are going to do this, you should probably do it right after installing a new ROM, and before you install any apps. That way everything will get installed onto the external SD card.


    I didn't invent this, Zedomax adapted in from mattiadj. But most people haven't been able to get it fully working, probably due to variations in the init.d function of various ROMS. They'd be able to see the External SD card as the internal SD, but the internal SD would disappear. This method avoids using init.d, and instead uses the app Script Manager to load the script on boot.

    After much fooling around, I figured out how to do it so the External SD card and the internal cards are swapped, but you can see both with any file Explorer. I got it working on CleanROM 2.0, but it should work on Beans 10 as well.

    Here's how to do it: Warning, if you do not understand the following instructions, or don’t have experience doing these things, you probably don’t want to do this hack. I am not responsible if you a) brick your phone, b) delete your data, or c) get very frustrated. That being said, the most likely failure will be that you only see the one card (the External card).

    Back everything up that you care about first!!!!

    1. First, I'd recommend making a Nandroid backup of your phone.

    2. Next, just to be extra safe, I would backup your internal SD card to your PC. While you are doing that, if you have data on the external SD card, back that up too.

    3. Next, I would format your external SD card to fat 32. (You could probably use Ext format too, but I didn’t test that.)If you already have it in that format, and have content on it, this won't affect the content, but back it up just to be safe. It’s probably better to have the Ext SD blank to begin with, you can always copy back its content from your pc.

    4. Next copy the contents of the internal SD to the External SD card. This is to avoid confusion about apps and such.

    5. Next install script manager free from the play store:
    https://play.google.com/store/apps/...anager&feature=nav_result#?t=W251bGwsMSwyLDNd

    It will show up on your phone as S manager ads.

    6. Download the mod from here: http://downloadandroidrom.com/file/...ternalsd_gs3_fat32orextfat_US_ZEDOMAXv0.2.zip

    7. You’ll see a folder called: 11extsd2internalsd_gs3_fat32orextfat_US_ZEDOMAXv0.2.zip

    You need to unzip the folder, then go to System/etc/init.d and copy the 11extsd2internalsd file from there to your phone. Put it into the /data directory. Use Root Explorer, and your phone will need to be rooted.

    (https://dl.dropbox.com/u/6305/SD Card Hack SG3/11ext file in data directory.png)

    Or you can get just the 11extsd2internalsd file here: https://dl.dropbox.com/u/6305/SD Card Hack SG3/11extsd2internalsd



    8. Using Root Explorer, navigate to that file in the /data directory. Press and hold the file name until the menu pops up, and click on permissions.

    https://dl.dropbox.com/u/6305/SD Card Hack SG3/Permissions.png

    (Unix geeks set them to 777, and everyone else copy the picture below. Click OK.

    https://dl.dropbox.com/u/6305/SD Card Hack SG3/Permission settings 777.png


    9. Open the script manager app, and select Browse as Root in the config screen. Tell it to remember this setting.

    https://dl.dropbox.com/u/6305/SD Card Hack SG3/Script manager browse as root and save.png


    10. Navigate to the /data directory and choose the 11extsd2internalsd file that is located in /data and click on it. Click on the “Is script” button.

    11. Now tap on the buttons that say Su, Boot, and Save. The file name will come up in yellow after the save.

    https://dl.dropbox.com/u/6305/SD Card Hack SG3/Script manager setting after save.png


    12. Reboot your phone and you should see the swap working and be able to access both internal and external SD cards. The external card will show up as sdcard, and the internal card will show up as extSDCard. Your apps should now install to the external card, since your phone will think it's the internal card. Is that confusing? It was to me too!

    Good luck and please share your experiences specifying which ROM you used, so that others can avoid frustration.

    Thank you’s always appreciated.
    2
    Did a little playing around. Below seems to work on cm10 aokp. Can op confirm this is good?

    mount -t vfat -o umask=0000 /dev/block/vold/179:97 /storage/sdcard0
    mount -o bind /data/media /storage/sdcard1
    1
    Did a little playing around. Below seems to work on cm10 aokp. Can op confirm this is good?

    mount -t vfat -o umask=0000 /dev/block/vold/179:97 /storage/sdcard0
    mount -o bind /data/media /storage/sdcard1

    Not sure, but take a look at the code from 11ext2internalsd file. If it works, and you can see both sd cards, then you've nailed it.