[Android Q&A, Help & Troubleshooting] kkbs4u:
Bro i dont have stock rom for flashing beacuse it is new launch device from karbonn it is possible to make build prop flashabe zip for my device i post my build.prop backup

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=JDQ39

ro.build.display.id=JDQ39.TBW680018_8884_V000082

ro.build.version.incremental=TBW680018_8884_V000082

ro.build.version.sdk=17

ro.build.version.codename=REL

ro.build.version.release=4.2.2

ro.build.date=Wed Aug 14 15:33:21 CST 2013

ro.build.date.utc=1376465601

ro.build.type=user

ro.build.user=ccadmin

ro.build.host=BUILD12

ro.build.tags=release-keys

ro.product.model=Karbonn A8

ro.product.brand=Karbonn

ro.product.name=hawaii_garnet_c_w68tk

ro.product.device=hawaii_garnet_c_w68tk

ro.product.board=hawaii

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=Karbonn

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=hawaii

# ro.build.product is obsolete; use ro.product.device

ro.build.product=hawaii_garnet_c_w68tk

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

ro.build.description=hawaii_garnet_c_w68tk-user 4.2.2 JDQ39 TBW680018_8884_V000082 release-keys

ro.build.fingerprint=Karbonn/hawaii_garnet_c_w68tk/hawaii_garnet_c_w68tk:4.2.2/JDQ39/TBW680018_8884_V000082:user/release-keys,x

ro.build.characteristics=default

# end build properties

#

# system.prop for hawaii garnet c w68

#

# Maximum Display resolution planned to support on the device

# This includes External Displays also

# This Property is used by Camera HAL and OMX to limit their output resolution based on window/port reconfiguration

ro.max_fb_resolution=1280x720

rild.libpath=/system/lib/libbrcm_ril.so

ro.sf.lcd_density=240

# MultiTouch support

ro.product.multi_touch_enabled=true

ro.product.max_num_touch=2

# Awesome player lateness in ms

awesome.lateness=200

gralloc.use_sync_mode=true

# Streaming player EOS timeout

nuplayer.eos.timeout=3

drm.service.enabled=1

# Use vendor/platform codecs in Metadata retriever (for Hawaii H.264)

sf.metadata_use_plat_sw_codecs=1

# Use vendor/hw codecs in Metadata retriever

sf.metadata_retrv_hw_codecs=1

persist.audio.pcmout1.sweq=ON

persist.audio.pcmout2.sweq=ON

# Default will open USB debug mode

init.svc.adbd=running

persist.sys.usb.config=mtp,adb

# When AP panic or CP assertion:

# 0: Only reboot without dump in final product

# 1: Dump + reboot in development(default)

persist.sys.panic.dump.debug=0

#

# ADDITIONAL_BUILD_PROPERTIES

#

ro.config.builtin_cdrom=false

persist.sys.timezone=Asia/Calcutta

ro.config.ringtone_standby=Karbonn.mp3

ro.config.ringtone_2=Karbonn.mp3

ro.config.ringtone=Karbonn.mp3

ro.config.notification_sound=F1_New_SMS.ogg

persist.sys.language=en

ro.storage.internal.reserved.mb=50

ro.config.fontscale=1

persist.sys.country=US

ro.config.alarm_alert=Alarm_Beep_03.ogg

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=4.2_r2

dalvik.vm.jniopts=warnonly

ro.bt.bdaddr_path=/data/misc/bluetooth/btmac.txt

drm.service.enabled=true

ro.opengles.version=131072

wifi.interface=wlan0

wifi.supplicant_scan_interval=15

ro.com.android.dataroaming=false

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=128m

dalvik.vm.heaptargetutilization=0.75

dalvik.vm.heapminfree=512k

dalvik.vm.heapmaxfree=2m

keyguard.no_require_sim=true

ro.com.android.dateformat=MM-dd-yyyy

ro.carrier=unknown

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

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

I edit ten lines after "traces.txt"