[Upgrading, Modifying and Unlocking] m3n3chm0:
This is my build.prop

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=JOP40D

ro.build.display.id=ZP990 20130904-163745

ro.build.version.incremental=eng.scm.1378283775

ro.custom.build.version=1378283775

ro.build.version.sdk=17

ro.build.version.codename=REL

ro.build.version.release=4.2.1

ro.build.date=Wed Sep 4 16:37:45 CST 2013

ro.build.date.utc=1378283865

ro.build.type=user

ro.build.user=scm

ro.build.host=vanzo66

ro.build.tags=test-keys

ro.product.model=ZP990

ro.product.brand=ZOPO

ro.product.name=V7

ro.product.device=V7

ro.product.board=V7

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=ZWX

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=MT89_V7

# ro.build.product is obsolete; use ro.product.device

ro.build.product=V7

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

ro.build.description=V7-user 4.2.1 JOP40D eng.scm.1378283775 test-keys

ro.build.fingerprint=ZOPO/V7/V7:4.2.1/JOP40D/1378283775:user/test-keys

ro.build.flavor=mt89_v7_zp9700w_zwx_jb2_hw

ro.build.characteristics=default

# end build properties

# begin mediatek build properties

ro.mediatek.version.release=ALPS.JB2.MP.V1.3

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}

#

wifi.tethering.interface=ap0

#

ro.opengles.version=131072

wifi.direct.interface=p2p0

dalvik.vm.heapgrowthlimit=128m

dalvik.vm.heapsize=256m

# 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=yes

# USB Charge only function

ro.sys.usb.charging.only=yes

# audio

ro.camera.sound.forced=0

ro.audio.silent=0

ro.zygote.preload.enable=0

#

# ADDITIONAL_BUILD_PROPERTIES

#

ril.specific.sm_cause=0

gps.solution.combo.chip=1

ril.external.md=0

fmradio.driver.chip=3

ro.sf.hwrotation=0

ril.current.share_modem=2

launcherplus.allappsgrid=2d

launcher2.allappsgrid=3d_20

curlockscreen=1

ro.mediatek.gemini_support=true

persist.radio.fd.counter=15

persist.radio.fd.off.counter=5

persist.radio.fd.r8.counter=15

persist.radio.fd.off.r8.counter=5

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

drm.service.enabled=true

fmradio.driver.enable=1

ril.first.md=1

ril.flightmode.poweroffMD=1

ril.telephony.mode=1

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=OnTheHunt.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

ro.config.ringtone=Backroad.ogg

qemu.hw.mainkeys=1

ro.init.screen_brightness=255

net.bt.name=Android

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

dalvik.vm.execution-mode=int:fast

# begin adupsfota properties

ro.adups.fota.oem=Vanzo

ro.adups.fota.device=ZP990

ro.adups.fota.version=ZP990 20130904-163745

# begin adupsfota properties