[Optimus L3, L5, L7 General] igerup:
Really, I didn't know that. :laugh: I did some more looking around and opening the build.prop file in the root/system folder shows a whole lot of emails to LG Koreas developers. Mine is pasted below, hope it helps.

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=IML74K

ro.build.display.id=IML74K

ro.build.version.incremental=lge610-V10f.20120725.105022

ro.build.version.sdk=15

ro.build.version.codename=REL

ro.build.version.release=4.0.3

ro.build.date=Wed Jul 25 10:52:32 KST 2012

ro.build.date.utc=1343181152

ro.build.type=user

ro.build.user=iamjihoon.kim

ro.build.host=LGEARND1B5

ro.build.tags=release-keys

ro.product.model=LG-E610

ro.product.brand=lge

ro.product.name=m4_open_eu

ro.product.device=m4

ro.product.board=7x27

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=msm7627a

# ro.build.product is obsolete; use ro.product.device

ro.build.product=m4

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

ro.build.description=m4_open_eu-user 4.0.3 IML74K lge610-V10f.20120725.105022 release-keys

ro.build.fingerprint=lge/m4_open_eu/m4:4.0.3/IML74K/lge610-V10f.20120725.105022:user/release-keys

ro.build.characteristics=default

# end build properties

#

# system.prop for surf

#

rild.libpath=/system/lib/libril-qc-1.so

rild.libargs=-d /dev/smd0

persist.rild.nitz_plmn=

persist.rild.nitz_long_ons_0=

persist.rild.nitz_long_ons_1=

persist.rild.nitz_long_ons_2=

persist.rild.nitz_long_ons_3=

persist.rild.nitz_short_ons_0=

persist.rild.nitz_short_ons_1=

persist.rild.nitz_short_ons_2=

persist.rild.nitz_short_ons_3=

ril.subscription.types=NV,RUIM

DEVICE_PROVISIONED=1

debug.sf.hw=1

debug.enabletr=false

#debug.composition.7x27A.type=gpu

#debug.composition.7x25A.type=gpu

debug.composition.7x27A.type=mdp

debug.composition.7x25A.type=mdp

#LGE_CHANGE_S, [youngbae.choi@lge.com] , 2012-02-04 :: Temp , hwcomposer method set

# because of mdp issue is fixed, 2012-02-20

#hwcomposer.composition.type=gpu

#LGE_CHANGE_E, [youngbae.choi@lge.com] , 2012-02-04

#

# system props for the cne module

#

persist.cne.UseCne=none

persist.cne.bat.range.low.med=30

persist.cne.bat.range.med.high=60

persist.cne.loc.policy.op=/system/etc/OperatorPolicy.xml

persist.cne.loc.policy.user=/system/etc/UserPolicy.xml

persist.cne.bwbased.rat.sel=false

persist.cne.snsr.based.rat.mgt=false

persist.cne.bat.based.rat.mgt=false

persist.cne.rat.acq.time.out=30000

persist.cne.rat.acq.retry.tout=0

persist.cne.fmc.mode=false

persist.cne.fmc.init.time.out=30

persist.cne.fmc.comm.time.out=130

persist.cne.fmc.retry=false

#

# system props for the MM modules

#

media.stagefright.enable-player=true

#media.stagefright.enable-meta=false

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

media.stagefright.enable-fma2dp=true

media.stagefright.enable-aac=true

media.stagefright.enable-qcp=true

#

# system prop for opengles version

#

ro.opengles.version=131072

#

# system props for the data modules

#

ro.use_data_netmgrd=true

persist.data.ds_fmc_app.mode=0

#

# system props for IMS module

#

persist.ims.regmanager.mode=0

#

# system prop for requesting Master role in incoming Bluetooth connection.

#

# LGBT_COMMON_BUGFIX_AcceptACLConnReqIOTIssue, jeonghoon.lim@lge.com

# * LG_BTUI_A2DP_SWITCH_MASTER_ROLE suhui.kim@lge.com, fix A2DP chopping by switching to master role (set to true)

# * QCT_BT_PATCH_SR00643418 suhui.kim@lge.com 111010, fix to fail in connection to turn back after being out of range

# (with device BlueAnt Q2 and Jawbone Icon and P590) (set to false)

ro.bluetooth.request.master=false

#

# system prop for Bluetooth FTP profile

#

ro.qualcomm.bluetooth.ftp=true

#

# system prop for Bluetooth SAP profile

#

# * LG_BTUI_SAP_DISABLE suhui.kim@lge.com, disable BT SAP for M3 (true -> false)

ro.qualcomm.bluetooth.sap=false

#

# system property for Bluetooth Handsfree Profile Wide Band Speech

#

ro.qualcomm.bluetooth.hfp.wbs=false

#

# system prop for Bluetooth Auto connect for remote initated connections

#

ro.bluetooth.remote.autoconnect=true

#

#system property for Bluetooth discoverability timeout in seconds

#0: Always discoverable

#-s LGBT_REMOVE_DEFAULT_DISCOVERABLE_TIMEOUT kyuseok.kim@lge.com 2012-01-05

# * LG_BTUI_SET_DISCOVERABLE_TIMEOUT suhui.kim@lge.com, set to 120sec for discoverable timeout (0 -> 120)

# debug.bt.discoverable_time=120

#-e LGBT_REMOVE_DEFAULT_DISCOVERABLE_TIMEOUT

#

# System prop to enable/disable OMH. Enabled by default

#

persist.omh.enabled=1

#System prop to enable ehrpd capability

ro.config.ehrpd=true

# System property for cabl

ro.qualcomm.cabl=1

#

#System prop to determine availability of

#analog fm path

#

ro.fm.analogpath.supported=true

#

#System property for FM transmitter

#

ro.fm.transmitter=false

#

#System property for single instance recording

#

ro.fm.mulinst.recording.support=false

#

#System property for msm

#

ro.hw_plat=7x27a

#

# system props for SD card emulation of emmc partition

#

# LGE_CHANGE

# emmc partition mount for sdcard (if partition table is changed, should be changed)

# 2011-06-14, bongkyu.kim@lge.com

ro.emmc.sdcard.partition=20

#

#

#System prop for disabling the meta data mode for encoder

#

debug.camcorder.disablemeta=0

#

#NFC

debug.nfc.fw_download=true

debug.nfc.se=false

#

# LGE_VERSION_INFO

#

ro.lge.swversion=LG-E610-V10f-JUL-25-2012

ro.lge.hwversion=

ro.lge.factoryswversion=

ro.lge.basebandversion=MSM7225A-1-AA

#sms touch QCT requirement

hwui.render_dirty_regions=false

#CAPP_TOUCH_SCROLLER

ro.max.fling_velocity=5000

#

# ADDITIONAL_BUILD_PROPERTIES

#

ro.build.target_operator=OPEN

ro.build.target_country=EU

ro.build.target_region=EU

ro.build.factory_operator=EUR

ro.build.factory_country=XX

ro.com.google.clientidbase=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.ms=android-lge

ime_trace_apply=false

ime_handwriting_apply=false

ro.lge.capp_core=true

ro.lge.capp_drm=true

ro.lge.capp_divx_drm=true

ro.lge.capp_almond=true

ro.lge.capp_optimusui=true

ro.lge.capp_resource=true

ro.lge.capp_wapservice=true

ro.lge.lazy_service_bringup=true

ro.lge.capp_touch_scroller=true

ro.lge.capp_touch_ldi=true

ro.lge.capp_key_light_off=true

ro.lge.capp_key_exception=true

ro.lge.capp_keyled_timeout=true

ro.lge.capp_lockscreen=true

ro.lge.fonts=true

ro.config.ringtone=01_Beyond_the_Dream.ogg

ro.config.notification_sound=01_Pebble.ogg

ro.config.alarm_alert=01_Alarm_1.ogg

keyguard.no_require_sim=true

ro.com.android.dataroaming=false

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

ro.vendor.extension_library=/system/lib/libqc-opt.so

persist.radio.cdg2_flag=false

wifi.supplicant_scan_interval=20

wlan.chip.vendor=qcom

ro.lge.touchkey=BACK|HOME|MENU|RECENT_APPS

ro.device.networkmode=WCDMA

ro.telephony.default_network=3

ro.radio.ratdisplay=true

ro.radio.go_back_to_previous_mode=true

ro.radio.remove_2g_only_checkbox=false

ro.radio.remove_save_battery_summary=false

ro.config.bt.amp=no

ro.sf.lcd_density=160

media.video.max-width=854

media.video.max-height=480

media.divx-video.max-width=854

media.divx-video.max-height=480

ro.emmc=0

ro.lge.audio_scenario=SOUNDEXCEPTION

ro.lge.audio_soundexception=true

ro.lge.audio_soundprofile=true

ro.lge.automaticvolumecontrol=true

lge.signed_image=true

dalvik.vm.heapstartsize=8m

dalvik.vm.heapgrowthlimit=64m

dalvik.vm.heapsize=256m

drm.service.enabled=true

ro.com.google.gmsversion=4.0_r2

ro.setupwizard.mode=DISABLED

ro.livewallpaper.map=DISABLED

ro.nfc.port=I2C

lge.nfc.fwpatchv13=yes

lge.nfc.indicator=yes

lge.nfc.defaultonoff=on

ro.gsm.sms.forcegsm7=0

ro.camera.sound.forced=0

dalvik.vm.dexopt-flags=m=y

net.bt.name=E612f

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

#

# Added by Android Tuner

#

net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960

net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960

persist.sys.purgeable_assets=1

ro.HOME_APP_ADJ=1