HOWTO - remount /data and /cache with discard and (optionally) noauto_da_alloc
Im using this tweak on my nexus7 and works ok on Cherry Mobile flare too. Requirements - rooted, working busybox (see howto regarding busybox), init.d support (see tutorial regarding init.d support) on your PC create a file called 85SecretSauce (or anyfilename that suits your taste, must contain two digit numbers first as it is used by the init.d) contents of the file should be this - #!/system/bin/sh #re-mount /data and /cache with discard and (optionally) noauto_da_alloc #(does give a slight performance increase , especially when working with #databases.. mount -o remount,discard,noauto_da_alloc /data /data mount -o remount,discard,noauto_da_alloc /cache /cache transfer it to /system/etc/init.d and with permissions 755, reboot and enjoy! how to check if it works - C:\\Users\\ryanrudolf\\ Downloads >adb shellshell@android:/ $ mount | grep discard mount | grep discard /dev/block/mmcblk0p13 on /data type ext4 (rw,relatime,user_xattr,barrier=1,nodelalloc,data...