[Miscellaneous Android Development] delonline:
...Acer Iconia A3-A10.. root ?

system/build.prop:

# begin build properties

# autogenerated by buildinfo.sh

persist.sys.usb.config=mtp

ro.build.id=JDQ39

ro.build.display.id=Acer_AV052_A3-A10_1.038.00_WW_GEN1

ro.build.version.incremental=eng.autobuild.1379995437

ro.custom.build.version=1379995437

ro.build.version.sdk=17

ro.build.version.codename=REL

ro.build.version.release=4.2.2

ro.build.date=Tue Sep 24 04:07:38 UTC 2013

ro.build.date.utc=1379995658

ro.build.type=user

ro.build.user=pandora

ro.build.host=tpeswhqlbuild5

ro.build.tags=release-keys

ro.product.model=A3-A10

ro.product.brand=acer

ro.product.name=A3-A10_ww_gen1

ro.product.device=zara

ro.product.board=A3-A10_ww_gen1

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=Acer

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=

# ro.build.product is obsolete; use ro.product.device

ro.build.product=zara

ro.build.sku=WW_GEN1

ro.build.pandora.id=Acer_AV052_A3-A10_RV01RC08_WW_GEN1

# Do not try to parse ro.build.description or .fingerprint

ro.build.description=A3-A10_ww_gen1-user 4.2.2 JDQ39 eng.autobuild.1379995437 release-keys

ro.build.fingerprint=acer/A3-A10_ww_gen1/zara:4.2.2/JDQ39/1379995437:user/release-keys

ro.build.flavor=

ro.build.characteristics=tablet

# end build properties

# begin mediatek build properties

ro.mediatek.version.release=ALPS.JB2.MP.V1.21

ro.mediatek.platform=MT6589

ro.mediatek.chip_ver=S01

ro.mediatek.version.branch=ALPS.JB2.MP

ro.mediatek.version.sdk=1

# end mediatek build properties

#

# system.prop for generic sdk

#

rild.libpath=/system/lib/mtk-ril.so

rild.libargs=-d /dev/ttyC0

# MTK, Infinity, 20090720 {

wifi.interface=wlan0

# MTK, Infinity, 20090720 }

# MTK, mtk03034, 20101210 {

ro.mediatek.wlan.wsc=1

# MTK, mtk03034 20101210}

# MTK, mtk03034, 20110318 {

ro.mediatek.wlan.p2p=1

# MTK, mtk03034 20110318}

# MTK, mtk03034, 20101213 {

mediatek.wlan.ctia=0

# MTK, mtk03034 20101213}

ro.sf.lcd_density=160

#

wifi.tethering.interface=ap0

#

ro.opengles.version=131072

wifi.direct.interface=p2p0

dalvik.vm.heapgrowthlimit=96m

dalvik.vm.heapsize=128m

# USB MTP WHQL

ro.sys.usb.mtp.whql.enable=0

# Power off opt in IPO

sys.ipo.pwrdncap=2

ro.sys.usb.storage.type=mtp,mass_storage

# USB BICR function

ro.sys.usb.bicr=no

# HsingJu_130708+

# About Screen for Acer

ro.build.img_pn.id=FM.NMFA0.00F

# HsingJu_130708-

# USB Charge only function

ro.sys.usb.charging.only=yes

# audio

ro.camera.sound.forced=0

ro.audio.silent=0

#ipo

sys.ipo.tbl=1

sys.ipo.bklondelay=150

ro.zygote.preload.enable=0

#

# ADDITIONAL_BUILD_PROPERTIES

#

ril.specific.sm_cause=0

ril.external.md=0

fmradio.driver.chip=3

ro.sf.hwrotation=0

ril.current.share_modem=1

launcherplus.allappsgrid=2d

launcher2.allappsgrid=3d_20

curlockscreen=1

ro.mediatek.gemini_support=false

ro.gemini.smart_3g_switch=0

persist.mtk.wcn.combo.chipid=-1

drm.service.enabled=true

fmradio.driver.enable=0

ril.first.md=1

ril.flightmode.poweroffMD=1

ril.telephony.mode=3

ril.radiooff.poweroffMD=0

dalvik.vm.mtk-stack-trace-file=/data/anr/mtk_traces.txt

mediatek.wlan.chip=MT6628

mediatek.wlan.module.postfix=_mt6628

ro.config.notification_sound=Pollux.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

ro.config.ringtone=Backroad.ogg

ro.error.receiver.system.apps=com.acer.android.acernidus

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=4.2_r3

ro.com.google.clientidbase=android-acer

ro.com.google.clientidbase.ms=android-acer

ro.com.google.clientidbase.yt=android-acer

ro.com.google.clientidbase.am=android-acer

ro.com.google.clientidbase.gmm=android-acer

net.bt.name=Android

dalvik.vm.stack-trace-file=/data/anr/traces.txt

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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 0x00000006d6600000 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

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I hope that's right....