cat /proc/mtd >> /sdcard/file. txt && cat /proc/partitions >

dev:    size   erasesize  name
mtd0: 00500000 00020000 "boot"
mtd1: 07320000 00020000 "cache"
mtd2: 00700000 00020000 "recovery"
mtd3: 00140000 00020000 "splash"
mtd4: 00100000 00020000 "FOTA"
mtd5: 00100000 00020000 "FOTA_STO"
mtd6: 09e00000 00020000 "system"
mtd7: 0b500000 00020000 "userdata"
mtd8: 00080000 00020000 "misc"
mtd9: 00180000 00020000 "persist"
dev:    size   erasesize  name
mtd0: 00500000 00020000 "boot"
mtd1: 07320000 00020000 "cache"
mtd2: 00700000 00020000 "recovery"
mtd3: 00140000 00020000 "splash"
mtd4: 00100000 00020000 "FOTA"
mtd5: 00100000 00020000 "FOTA_STO"
mtd6: 09e00000 00020000 "system"
mtd7: 0b500000 00020000 "userdata"
mtd8: 00080000 00020000 "misc"
mtd9: 00180000 00020000 "persist"
major minor  #blocks  name

  31        0       5120 mtdblock0
  31        1     117888 mtdblock1
  31        2       7168 mtdblock2
  31        3       1280 mtdblock3
  31        4       1024 mtdblock4
  31        5       1024 mtdblock5
  31        6     161792 mtdblock6
  31        7     185344 mtdblock7
  31        8        512 mtdblock8
  31        9       1536 mtdblock9
 179        0    7778304 mmcblk0
 179        1    7777280 mmcblk0p1