[Android Q&A, Help & Troubleshooting] VigneshN1:
Hello,

I am using ISUN Coral 3G mobile, with jellybean 4.2.2.

On using 3G data i am getting heat. Is it possible to optimize the 3G consumption by changing build.prop file.

I would like to know how to turn of the 3G through the configuration so that user cannot activate 3G again.

looking at the build.prop file, I think bgw.current3gband=0 value can be changed to get the desired result.

Below is my build.prop file,

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=JDQ39

ro.build.display.id=SM112_OTD_W_CORAL_V0.0.3_S0516

ro.build.version.incremental=eng.pengyinhua.1402318234

ro.custom.build.version=SM112_OTD_W_CORAL_V0.0.3_S0516

ro.internal.version=

ro.build.version.sdk=17

ro.build.version.codename=REL

ro.build.version.release=4.2.2

ro.build.date=2014年 06月 09日 星期一 20:52:21 CST

ro.build.date.utc=1402318341

ro.build.type=user

ro.build.user=pengyinhua

ro.build.host=buildsrv5-desktop

ro.build.tags=test-keys

ro.product.model=ISN707 CORAL

ro.product.brand=ISUN

ro.product.name=

ro.product.device=ISUN

ro.product.board=

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=ISUN

ro.product.locale.language=en

ro.product.locale.region=GB

ro.wifi.channels=

ro.board.platform=

# ro.build.product is obsolete; use ro.product.device

ro.build.product=ISUN

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

ro.build.description=sm112_otd_w_ba_r-user 4.2.2 JDQ39 eng.pengyinhua.1402318234 test-keys

ro.build.fingerprint=ISUN/sm112_otd_w_ba_r/sm112_otd_w_ba_r:4.2.2/JDQ39/1402318234:user/test-keys

ro.build.flavor=

ro.build.characteristics=default

# end build properties

# begin mediatek build properties

ro.mediatek.version.release=ALPS.JB3.MP.V1

ro.mediatek.platform=MT6572

ro.mediatek.chip_ver=S01

ro.mediatek.version.branch=ALPS.JB3.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=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=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

# temporary enables NAV bar (soft keys)

# qemu.hw.mainkeys=0

ro.kernel.zio=38,108,105,16

ro.operator.optr=CUST

persist.sys.timezone=Asia/Calcutta

#

# ADDITIONAL_BUILD_PROPERTIES

#

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=4.0_r7

persist.gemini.sim_num=2

ro.gemini.smart_sim_switch=false

ril.specific.sm_cause=0

bgw.current3gband=0

ril.external.md=0

ro.sf.hwrotation=0

ril.current.share_modem=2

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

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

mediatek.wlan.chip=mediatek.wlan.module.postfix=_

ril.radiooff.poweroffMD=0

ro.config.notification_sound=Proxima.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

ro.config.ringtone=Backroad.ogg

net.bt.name=Android

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

mot.proximity.delay=0

ro.lge.proximity.delay=25

ro.telephony.call_ring.delay=0

ring.delay=0