Swap internal and external storage

I want to swap my external storage to internal ......any one help.....
Here are my volt.stab details



# dev_mount sdcard /mnt/sdcard auto /devices/platform/msm_sdcc.1/mmc_host /devices/platform/msm_sdcc.3/mmc_host
dev_mount sdcard /storage/sdcard0 auto /devices/platform/msm_sdcc.1/mmc_host
dev_mount emmc /storage/sdcard1 19 /devices/platform/msm_sdcc.3/mmc_host

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