[Galaxy S 4 i9505 Original Android Development] aukhan:
/dev/block/platform:
drwxr-xr-x root root 2015-03-30 00:13 15540000.dwmmc0
drwxr-xr-x root root 2015-03-30 00:13 15560000.dwmmc2

/dev/block/platform/15540000.dwmmc0:
drwxr-xr-x root root 2015-03-30 00:13 by-name
drwxr-xr-x root root 2015-03-30 00:13 by-num
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0 -> /dev/block/mmcblk0
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0boot0 -> /dev/block/mmcblk0boot0
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0boot1 -> /dev/block/mmcblk0boot1
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p1 -> /dev/block/mmcblk0p1
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p10 -> /dev/block/mmcblk0p10
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p11 -> /dev/block/mmcblk0p11
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p12 -> /dev/block/mmcblk0p12
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p13 -> /dev/block/mmcblk0p13
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p14 -> /dev/block/mmcblk0p14
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p15 -> /dev/block/mmcblk0p15
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p16 -> /dev/block/mmcblk0p16
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p17 -> /dev/block/mmcblk0p17
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p18 -> /dev/block/mmcblk0p18
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p19 -> /dev/block/mmcblk0p19
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p2 -> /dev/block/mmcblk0p2
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p20 -> /dev/block/mmcblk0p20
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p21 -> /dev/block/mmcblk0p21
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p3 -> /dev/block/mmcblk0p3
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p4 -> /dev/block/mmcblk0p4
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p5 -> /dev/block/mmcblk0p5
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p6 -> /dev/block/mmcblk0p6
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p7 -> /dev/block/mmcblk0p7
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p8 -> /dev/block/mmcblk0p8
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0p9 -> /dev/block/mmcblk0p9
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk0rpmb -> /dev/block/mmcblk0rpmb

/dev/block/platform/15540000.dwmmc0/by-name:
lrwxrwxrwx root root 2015-03-30 00:13 BOOT -> /dev/block/mmcblk0p9
lrwxrwxrwx root root 2015-03-30 00:13 BOTA0 -> /dev/block/mmcblk0p1
lrwxrwxrwx root root 2015-03-30 00:13 BOTA1 -> /dev/block/mmcblk0p2
lrwxrwxrwx root root 2015-03-30 00:13 CACHE -> /dev/block/mmcblk0p19
lrwxrwxrwx root root 2015-03-30 00:13 CARRIER -> /dev/block/mmcblk0p7
lrwxrwxrwx root root 2015-03-30 00:13 CDMA-RADIO -> /dev/block/mmcblk0p12
lrwxrwxrwx root root 2015-03-30 00:13 DNT -> /dev/block/mmcblk0p15
lrwxrwxrwx root root 2015-03-30 00:13 EFS -> /dev/block/mmcblk0p3
lrwxrwxrwx root root 2015-03-30 00:13 HIDDEN -> /dev/block/mmcblk0p20
lrwxrwxrwx root root 2015-03-30 00:13 OTA -> /dev/block/mmcblk0p11
lrwxrwxrwx root root 2015-03-30 00:13 PARAM -> /dev/block/mmcblk0p8
lrwxrwxrwx root root 2015-03-30 00:13 PERSDATA -> /dev/block/mmcblk0p16
lrwxrwxrwx root root 2015-03-30 00:13 RADIO -> /dev/block/mmcblk0p13
lrwxrwxrwx root root 2015-03-30 00:13 RECOVERY -> /dev/block/mmcblk0p10
lrwxrwxrwx root root 2015-03-30 00:13 RESERVED2 -> /dev/block/mmcblk0p17
lrwxrwxrwx root root 2015-03-30 00:13 SYSTEM -> /dev/block/mmcblk0p18
lrwxrwxrwx root root 2015-03-30 00:13 TOMBSTONES -> /dev/block/mmcblk0p14
lrwxrwxrwx root root 2015-03-30 00:13 USERDATA -> /dev/block/mmcblk0p21
lrwxrwxrwx root root 2015-03-30 00:13 m9kefs1 -> /dev/block/mmcblk0p4
lrwxrwxrwx root root 2015-03-30 00:13 m9kefs2 -> /dev/block/mmcblk0p5
lrwxrwxrwx root root 2015-03-30 00:13 m9kefs3 -> /dev/block/mmcblk0p6

/dev/block/platform/15540000.dwmmc0/by-num:
lrwxrwxrwx root root 2015-03-30 00:13 p1 -> /dev/block/mmcblk0p1
lrwxrwxrwx root root 2015-03-30 00:13 p10 -> /dev/block/mmcblk0p10
lrwxrwxrwx root root 2015-03-30 00:13 p11 -> /dev/block/mmcblk0p11
lrwxrwxrwx root root 2015-03-30 00:13 p12 -> /dev/block/mmcblk0p12
lrwxrwxrwx root root 2015-03-30 00:13 p13 -> /dev/block/mmcblk0p13
lrwxrwxrwx root root 2015-03-30 00:13 p14 -> /dev/block/mmcblk0p14
lrwxrwxrwx root root 2015-03-30 00:13 p15 -> /dev/block/mmcblk0p15
lrwxrwxrwx root root 2015-03-30 00:13 p16 -> /dev/block/mmcblk0p16
lrwxrwxrwx root root 2015-03-30 00:13 p17 -> /dev/block/mmcblk0p17
lrwxrwxrwx root root 2015-03-30 00:13 p18 -> /dev/block/mmcblk0p18
lrwxrwxrwx root root 2015-03-30 00:13 p19 -> /dev/block/mmcblk0p19
lrwxrwxrwx root root 2015-03-30 00:13 p2 -> /dev/block/mmcblk0p2
lrwxrwxrwx root root 2015-03-30 00:13 p20 -> /dev/block/mmcblk0p20
lrwxrwxrwx root root 2015-03-30 00:13 p21 -> /dev/block/mmcblk0p21
lrwxrwxrwx root root 2015-03-30 00:13 p3 -> /dev/block/mmcblk0p3
lrwxrwxrwx root root 2015-03-30 00:13 p4 -> /dev/block/mmcblk0p4
lrwxrwxrwx root root 2015-03-30 00:13 p5 -> /dev/block/mmcblk0p5
lrwxrwxrwx root root 2015-03-30 00:13 p6 -> /dev/block/mmcblk0p6
lrwxrwxrwx root root 2015-03-30 00:13 p7 -> /dev/block/mmcblk0p7
lrwxrwxrwx root root 2015-03-30 00:13 p8 -> /dev/block/mmcblk0p8
lrwxrwxrwx root root 2015-03-30 00:13 p9 -> /dev/block/mmcblk0p9

/dev/block/platform/15560000.dwmmc2:
drwxr-xr-x root root 2015-03-30 00:13 by-num
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk1 -> /dev/block/mmcblk1
lrwxrwxrwx root root 2015-03-30 00:13 mmcblk1p1 -> /dev/block/mmcblk1p1

/dev/block/platform/15560000.dwmmc2/by-num:
lrwxrwxrwx root root 2015-03-30 00:13 p1 -> /dev/block/mmcblk1p1

Here is the information you are looking for [MENTION=4277844]chenxiaolong[/MENTION] I hope this is correct, ROMS for Exy are here.