[Miscellaneous Android Development] 888jonathan:
Hi, Entonjackson

Since I couldn't root my A1-811, I checked my device with commands

C:\fastboot>adb shell

* daemon not running. starting it now on port 5037 *

* daemon started successfully *

shell@android:/ $ cat /proc/mounts

cat /proc/mounts

rootfs / rootfs ro,relatime 0 0

tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0

devpts /dev/pts devpts rw,relatime,mode=600 0 0

proc /proc proc rw,relatime 0 0

sysfs /sys sysfs rw,relatime 0 0

none /acct cgroup rw,relatime,cpuacct 0 0

tmpfs /mnt/secure tmpfs rw,relatime,mode=700 0 0

tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0

tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0

none /dev/cpuctl cgroup rw,relatime,cpu 0 0

tmpfs /storage/emulated tmpfs rw,relatime,mode=705,uid=1023,gid=1023 0 0

tmpfs /storage/usb_storage tmpfs rw,relatime,mode=755,uid=1000,gid=1000 0 0

/emmc@android /system ext4 ro,noatime,noauto_da_alloc,commit=1,data=ordered 0 0

/emmc@usrdata /data ext4 rw,nosuid,nodev,noatime,discard,noauto_da_alloc,data=or

dered 0 0

/emmc@cache /cache ext4 rw,nosuid,nodev,noatime,discard,noauto_da_alloc,data=ord

ered 0 0

/emmc@protect_f /protect_f ext4 rw,nosuid,nodev,noatime,nodelalloc,noauto_da_all

oc,commit=1,data=ordered 0 0

/emmc@protect_s /protect_s ext4 rw,nosuid,nodev,noatime,nodelalloc,noauto_da_all

oc,commit=1,data=ordered 0 0

/dev/fuse /mnt/shell/emulated fuse rw,nosuid,nodev,relatime,user_id=1023,group_i

d=1023,default_permissions,allow_other 0 0

/dev/block/vold/179:96 /storage/sdcard1 vfat rw,dirsync,nosuid,nodev,noexec,rela

time,uid=1000,gid=1015,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,ioc

harset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0

shell@android:/ $ cat /proc/dumchar_info

cat /proc/dumchar_info

Part_Name Size StartAddr Type MapTo

preloader 0x0000000000c00000 0x0000000000000000 2 /dev/misc-sd

mbr 0x0000000000080000 0x0000000000000000 2 /dev/block/mmcblk0

ebr1 0x0000000000080000 0x0000000000080000 2 /dev/block/mmcblk0p1

pmt 0x0000000000400000 0x0000000000100000 2 /dev/block/mmcblk0

pro_info 0x0000000000300000 0x0000000000500000 2 /dev/block/mmcblk0

nvram 0x0000000000500000 0x0000000000800000 2 /dev/block/mmcblk0

protect_f 0x0000000000a00000 0x0000000000d00000 2 /dev/block/mmcblk0p2

protect_s 0x0000000000a00000 0x0000000001700000 2 /dev/block/mmcblk0p3

seccfg 0x0000000000020000 0x0000000002100000 2 /dev/block/mmcblk0

uboot 0x0000000000060000 0x0000000002120000 2 /dev/block/mmcblk0

bootimg 0x0000000000600000 0x0000000002180000 2 /dev/block/mmcblk0

recovery 0x0000000000a00000 0x0000000002780000 2 /dev/block/mmcblk0

sec_ro 0x0000000000600000 0x0000000003180000 2 /dev/block/mmcblk0p4

misc 0x0000000000080000 0x0000000003780000 2 /dev/block/mmcblk0

logo 0x0000000000300000 0x0000000003800000 2 /dev/block/mmcblk0

expdb 0x0000000000a00000 0x0000000003b00000 2 /dev/block/mmcblk0

android 0x0000000040000000 0x0000000004500000 2 /dev/block/mmcblk0p5

cache 0x000000002bc00000 0x0000000044500000 2 /dev/block/mmcblk0p6

usrdata 0x0000000160220000 0x0000000070100000 2 /dev/block/mmcblk0p7

bmtpool 0x0000000001500000 0x00000000ff3f00a8 2 /dev/block/mmcblk0

Part_Name:Partition name you should open;

Size:size of partition

StartAddr:Start Address of partition;

Type:Type of partition(MTD=1,EMMC=2)

MapTo:actual device you operate

shell@android:/ $

C:\fastboot>

Is there anything changed by ACER? Please reply, thanks for your help.