Want to use the internal micro SD card of your P6800/P6810 as external USB flash drive (UMS) on your computer for faster data transfer? You can use the following given method on how to get it done. The only requirement is that you must have rooted your Galaxy Tab 7.7 with Super SU and busybox installed. Find out how to root Galaxy tab 7.7 by following our step by step tutorial.
First, go to Play market and install GSscript or Script Manager. These apps are used to run shell scripts. Second, download this file and extract it. Put it somewhere on your Tab 7.7. Then, whenever you wish to mount the external micro SD card, start GSscript/Script manager and start UMS_P6810_EXTERNAL_sdcard.sh with SU privileges. Check out our comparison of Galaxy tab 7.7 vs iPad mini.
Connect your tablet to your computer via USB port. Driver installation will commence and you will find your external micro SD card mounted. To revert back to MTP, unplug the tablet; start GSscript and run MTP_P6810_EXTERNAL_sdcard.sh with SU privileges.