[LG Optimus Black] Duarte777:
I think thats good .

Here you have the stock V20S build.prop if you want:

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=GRJ22
ro.build.display.id=GRJ22
ro.build.version.incremental=LG-P970-V20s.47F1AEC6
ro.build.version.sdk=10
ro.build.version.codename=REL
ro.build.version.release=2.3.4
ro.build.date=Mon Jul 2 12:55:00 IST 2012
ro.build.date.utc=1341213900
ro.build.type=user
ro.build.user=chinmay.mohapatra
ro.build.host=si-rd10-bld65
ro.build.tags=release-keys
ro.product.model=LG-P970
ro.product.brand=lge
ro.product.name=lge_bproj
ro.product.device=bproj_EUR-XXX
ro.product.board=bproj
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=LGE
ro.product.locale.language=en
ro.product.locale.region=GB,en
ro.wifi.channels=
ro.board.platform=omap3
# ro.build.product is obsolete; use ro.product.device
ro.build.product=bproj_EUR-XXX
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=lge_bproj-user 2.3.4 GRJ22 LG-P970-V20s.47F1AEC6 release-keys
ro.build.fingerprint=lge/lge_bproj/bproj_EUR-XXX:2.3.4/GRJ22/LG-P970-V20s.47F1AEC6:user/release-keys
# end build properties
rild.libargs=-d /dev/ttyspi0
alsa.mixer.playback.master=DAC2 Analog \

#
# ADDITIONAL_BUILD_PROPERTIES
#
user.feature.flex=true
user.feature.lgdrm=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
user.feature.cmf=true
user.feature.wapservice=true
user.feature.lgorientation=true
user.feature.toucharea=true
user.feature.velocitytracker=true
user.feature.lgscroller=true
user.feature.eventthrottle=true
ro.build.lge.version.release=LG-P970-V20s
ro.config.ringtone=22_Dazzling_Brightness.ogg
ro.config.notification_sound=01_Acoustic_Guitar.ogg
ro.config.alarm_alert=Alarm_Beep01.ogg
ro.lge.vibrator_amp=120
ro.opengles.version=131072
ro.setupwizard.mode=DISABLED
ro.com.google.gmsversion=2.3_r10
ro.com.android.dateformat=MM-dd-yyyy
ro.com.android.dataroaming=true
ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html
ro.com.google.clientidbase=android-lge
ro.com.google.clientidbase.ms=android-lge
ro.com.google.clientidbase.gmm=android-lge
ro.com.google.clientidbase.yt=android-lge
ro.com.google.clientidbase.am=android-lge
ro.com.google.clientidbase=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
wifi.interface=wlan0
alsa.mixer.capture.master=Analog
ro.com.android.dateformat=MM-dd-yyyy
ro.com.android.dataroaming=true
dalvik.vm.heapsize=48m
dalvik.vm.dexopt-flags=m=y
jpeg.libskiahw.decoder.enable=1
jpeg.libskiahw.decoder.thresh=100000
net.dns1=208.67.222.222
net.dns2=208.67.220.220
ro.tether.denied=false
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt

If you make a unrooted version of another version, just change the "V20s" to "V20(letter version)" and think thats all, can contains more differences but will not influence the warranty.