[LG Optimus Black] gabwerkz:
I sent you the link of my zip (544mb) if you want to test. Also open the build.prop and you'll find interesting things (modify).

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=GRJ22
ro.build.display.id=GRJ22.V20l.4238ab5c
ro.build.version.incremental=V20l.4238ab5c
ro.build.version.sdk=10
ro.build.version.codename=REL
ro.build.version.release=2.3.4
ro.build.date=Tue Nov 1 01:43:18 KST 2011
ro.build.date.utc=1320079398
ro.build.type=user
ro.build.user=jaehyoung.ryu
ro.build.host=server-black
ro.build.tags=release-keys
ro.product.model=LG-KU5900
ro.product.brand=lge
ro.product.name=lge_black
ro.product.device=black
ro.product.board=black
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=LGE
ro.product.locale.language=ko
ro.product.locale.region=KR,en
ro.wifi.channels=
ro.board.platform=omap3
# ro.build.product is obsolete; use ro.product.device
ro.build.product=black
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=lge_black-user 2.3.4 GRJ22 V20l.4238ab5c release-keys
ro.build.fingerprint=lge/lge_black/black:2.3.4/GRJ22/KU5900-V20l.4238ab5c:user/release-keys
# end build properties
# LGE_CDMA_RIL START
# LGT Default
#--[[LGE_UBIQUIX_MODIFIED_START] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
# ro.cdma.home.operator.numeric=45006
#--][LGE_UBIQUIX_MODIFIED_END] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
# LGE_CDMA_RIL END

# LGE_B_DOM_E 20101223 ntjongchan.lee@lge.com added hiddenmenu prop [START]
# nus ril.production_test_mode=1
# LGE_B_DOM_E 20101223 ntjongchan.lee@lge.com added hiddenmenu prop [END]

#--[[LGE_UBIQUIX_MODIFIED_START] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
#ro.telephony.default_network=4
#default_service_provider : SKT, KT, LGT
#ro.telephony.service_provider=LGT
# LGE_CHANGE LGU+ 3G data mode tracking - jinho.hwang@lge.com 2011.01.19
#lgt.3g.data.mode=2
#--][LGE_UBIQUIX_MODIFIED_END] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature

rild.libargs=-d /dev/ttyspi0
#--[[ LGE_UBIQUIX_MODIFIED_START : jhyou79@mnbt.co.kr [110808] - for uses bcm4329
wifi.interface=wlan0
wifi.supplicant_scan_interval=20
#--]] LGE_UBIQUIX_MODIFIED_END : jhyou79@mnbt.co.kr [110808] - for uses bcm4329
alsa.mixer.playback.master=DAC2 Analog
alsa.mixer.capture.master=Analog
skia.jpeg_threshold=350
browser.tioptimization=true
connection.concurrent=10

ro.lge.touchkey=BACK|SEARCH|HOME|MENU
#--[[ LGE_UBIQUIX_MODIFIED_START : [jhyou79@mnbt.co.kr] - wifi, wl271
#20100812 Wi-Fi taewonee.kim@lge.com - For SoftAP [START]
# WILINK_SOFTAP : Enable for tethering Service (SOFTAP By CHKIM)
ro.tether.denied=false
wifi.features=p2p
#20100812 Wi-Fi taewonee.kim@lge.com - For SoftAP [END]- wifi, wl271

#20100812 Wi-Fi taewonee.kim@lge.com - Default scan channel number [START]
ro.wifi.channels=13
## opengles 2.0
ro.opengles.version=131072
#20100812 Wi-Fi taewonee.kim@lge.com - Default scan channel number [END]
#--]] LGE_UBIQUIX_MODIFIED_END : [jhyou79@mnbt.co.kr]
#gsm.version.baseband=V061-12.1.938.1000
# LGE_CDMA_RIL START
# LGT Default
#--[[LGE_UBIQUIX_MODIFIED_START] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
#ro.cdma.home.operator.numeric=45006
#--][LGE_UBIQUIX_MODIFIED_END] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
# LGE_CDMA_RIL END
ro.setupwizard.mode=DISABLED
dalvik.vm.heapsize=32m
ro.sf.lcd_density=240
ro.build.lge.version.release=LG-KU5900-V20l
#--[[LGE_UBIQUIX_MODIFIED_START] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
#ro.telephony.default_network=4
#default_service_provider : SKT, KT, LGT
#ro.telephony.service_provider=LGT
# LGU+ 3G Data Mode : 0 - 3G Disable, 2 - Enable [jinhoho.hwang@lge.com][2010.10.28]
#lgt.3g.data.mode=2
#--][LGE_UBIQUIX_MODIFIED_END] bjhyun@ubiquix.com [2011.07.19] - Remove cdma feature
#LGE_LAB1 jeongsu.lee@lge.com 101209 START by CA3
persist.sys.language=ko
persist.sys.country=KR
persist.sys.timezone=Asia/Seoul
#LGE_LAB1 jeongsu.lee@lge.com 101209 END
#--[[LGE_UBIQUIX_MODIFIED_START] bjhyun@ubiquix.com [2011.07.19] - Add from froyo source of black/justin
# START minji.bae@lge.com 20101009 LAB1_SKT_EMERGENCY
# minji.bae@lge.com 20101207 add 122 to all lists
#domestic ecclist
ro.ril.domestic_ecclist=112,119,122,113,125,127,111,911

#Greek Roaming Ecclist
ro.ril.202roaming_ecclist=112,119,000,110,999,118,911,100,122

#Belgium Roaming Ecclist
ro.ril.206roaming_ecclist=112,119,000,110,999,118,911,100,122

#Italy Roaming Ecclist
ro.ril.222roaming_ecclist=112,119,000,110,999,118,911,115,122

#Austria Roaming Ecclist
ro.ril.505roaming_ecclist=112,119,000,110,999,118,911,114,122

#Etc Roaming Ecclist
ro.ril.roaming_ecclist=112,119,000,110,999,118,911,122
# END minji.bae@lge.com 20101009 LAB1_SKT_EMERGENCYDIAL

# LAB1_FWK_TEL hakmin.kim@lge.com 2011. 2. 18. Reject Cause
ril.gsm.reject_cause=0
#--][LGE_UBIQUIX_MODIFIED_END] bjhyun@ubiquix.com [2011.07.19] - Add from froyo source of black/justin

#
# ADDITIONAL_BUILD_PROPERTIES
#
user.feature.flex=true
user.feature.lgresource=true
user.feature.lgsetupwizard=true
user.feature.lgpoweroff=true
user.feature.preload_so=true
user.feature.preload_del=true
user.feature.lock_sui=true
user.feature.sui=true
ro.config.ringtone=[LG]_01_Honey_Honey_Baby.mp3
ro.config.notification_sound=01_AcousticGuitar.ogg
ro.config.alarm_alert=01_Classmate.mp3
ro.lge.vibrator_amp=120
ro.opengles.version=131072
ro.setupwizard.mode=DISABLED
ro.com.google.gmsversion=2.3_r7
ro.build.lge.version.release=LG-KU5900-V20l
ro.com.google.clientidbase=android-lge
ro.com.google.clientidbase.ms=android-kt-kr
ro.com.google.clientidbase.am=android-kt-kr
ro.com.google.clientidbase.gmm=android-lge
ro.com.google.clientidbase.yt=android-lge
rild.libpath=/system/lib/lge-ril.so
ro.telephony.default_network=0
ro.sf.lcd_density=240
com.ti.omap_enhancement=true
opencore.asmd=1
ro.radio.use-ppp=yes
keyguard.no_require_sim=1
ro.config.nocheckin=yes
alsa.mixer.capture.master=Analog
ro.com.android.dateformat=MM-dd-yyyy
ro.com.android.dataroaming=true
dalvik.vm.heapsize=64m
dalvik.vm.dexopt-flags=m=y
persist.service.main.enable=0
persist.service.system.enable=0
persist.service.radio.enable=0
persist.service.events.enable=0
persist.service.kernel.enable=0
jpeg.libskiahw.decoder.enable=1
jpeg.libskiahw.decoder.thresh=100000
ro.tether.denied=false
user.device=black
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt