Explanation of build.prop Values

Have you ever wondered what the different things in build.prop mean? Well, I compiled a list of all of the properties and explained almost all of the lines and what they do. This build.prop is from the Nexus 6 running Android 5.1, but these values should apply to just about every device. If any of these descriptions are incorrect, If you see any that don't have a description in blue and you know what it does, or there are other properties you know of, let me know!

Quote:

# # PRODUCT_OEM_PROPERTIES # import /oem/oem.prop ro.config.ringtone Imports carrier ringtones import /oem/oem.prop ro.config.notification_sound Imports notification sounds import /oem/oem.prop ro.config.alarm_alert Imports alarm tones import /oem/oem.prop ro.config.wallpaper Imports wallpapers import /oem/oem.prop ro.config.wallpaper_component Imports wallpapers import /oem/oem.prop ro.oem.* Imports various other properties import /oem/oem.prop oem.* Imports various other properties # begin build properties # autogenerated by buildinfo.sh ro.build.id=LMY47E Build ID ro.build.display.id=LMY47E The build ID displayed in the About menu ro.build.version.incremental=1748839 ro.build.version.sdk=22 Version of the SDK used for android version ro.build.version.codename=REL Type of build (REL=Release) ro.build.version.all_codenames=REL Type of build (REL=Release) ro.build.version.release=5.1 Android version ro.build.date=Sun Feb 22 04:00:49 UTC 2015 When the current ROM was compiled ro.build.date.utc=1424577649 Build date in the UTC format ro.build.type=user Type of build (user=General public; userdebug=like user, but with root; eng=build for testing ROMS not for public) ro.build.user=android-build Who built the ROM ro.build.host=wpiv12.hot.corp.google.com Server that built the ROM ro.build.tags=release-keys Tags to identify the build for developers ro.build.flavor=shamu-user Compound of device and build type ro.product.model=Nexus 6 Marketing name for the device ro.product.brand=google Seller of the device (Most of the time the manufacturer, but Google for Nexus devices ro.product.name=shamu Device's codename ro.product.device=shamu Device's codename ro.product.board=shamu Device's board type (Generally used for LTE and wifi-only versions of a device) # ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete, # use ro.product.cpu.abilist instead. ro.product.cpu.abi=armeabi-v7a Specific CPU type ro.product.cpu.abi2=armeabi General CPU type ro.product.cpu.abilist=armeabi-v7a,armeabi All binary types capable of being run on the CPU ro.product.cpu.abilist32=armeabi-v7a,armeabi 32 bit binary types that can be run on the CPU ro.product.cpu.abilist64= 64 bit binary types that can be run on the CPU (Only if the device is 64 bit capable) ro.product.manufacturer=motorola Device's manufacturer ro.product.locale.language=en Default Language ro.product.locale.region=US Default region ro.wifi.channels= WiFi channels the device can utilize ro.board.platform=msm8084 Processor model number # ro.build.product is obsolete; use ro.product.device ro.build.product=shamu Same as ro.product.device # Do not try to parse description, fingerprint, or thumbprint ro.build.description=shamu-user 5.1 LMY47E 1748839 release-keys Description of ROM build ro.build.fingerprint=google/shamu/shamu:5.1/LMY47E/1748839:user/release-keys ROM information ro.build.characteristics=nosdcard Various device characteristics # end build properties # # ADDITIONAL_BUILD_PROPERTIES # ro.config.ringtone=Titania.ogg Default ringtone ro.config.notification_sound=Tethys.ogg Default notification sound ro.config.alarm_alert=Oxygen.oggDefault alarm sound ro.com.android.dateformat=MM-dd-yyyy Default date format ro.com.android.dataroaming=false Default data roaming setting ro.url.legal=http://ift.tt/v55wOy Legal information ro.url.legal.android_privacy=http://ift.tt/rSi5QO Privacy policy ro.com.google.clientidbase=android-google ro.carrier=unknown Carrier the phone was built for ro.com.android.wifi-watchlist=GoogleGuest Wifi networks Android watches for ro.error.receiver.system.apps=com.google.android.g ms Where error logs are sent to for system apps ro.setupwizard.enterprise_mode=1 Allow enterprise specific setup in the setup wizard fmas.spkr_6ch=35,20,110 fmas.spkr_2ch=35,25 fmas.spkr_angles=10 fmas.spkr_sgain=0 media.aac_51_output_enabled=true ro.audio.monitorRotation=true Monitors the rotation of the device for devices with stereo speakers to properly output left and right channels ro.opengles.version=196609 Version of OpenGLES ro.sf.lcd_density=560 Display's pixel density persist.hwc.mdpcomp.enable=true Use hardware acceleration for graphics rild.libpath=/system/vendor/lib/libril-qc-qmi-1.so Library path for radio interface layer to interact with Android persist.radio.apm_sim_not_pwdn=1 Keep SIM state on LPM mode persist.radio.no_wait_for_card=1 Determines if the phone should wait until the SIM card is ready persist.ims.disableDebugLogs=1 Disable IMS debug logs persist.radio.oem_socket=false Enable or disable open socket for carrier used for quality control persist.qcril_uim_vcc_feature=1 Enable or disable UICC (Universal Integrated Circuit Card) for GSM and UMTS networks ro.telephony.default_cdma_sub=0 0=Use SIM card to authenticate with CDMA network; 1=Use ESN to authenticate with CDMA network ro.telephony.default_network=10 Default networks to use (10 uses any available network technology compatible with the inserted SIM card) telephony.lteOnCdmaDevice=1 If the device is CDMA capable, specifies whether it has LTE capability persist.radio.fsg_reload_on=1 reload modem partition from backup of fsg partition to MODEMST1 persist.radio.mcfg_enabled=1 ro.hwui.texture_cache_size=72 ro.hwui.layer_cache_size=48 ro.hwui.r_buffer_cache_size=8 ro.hwui.path_cache_size=32 ro.hwui.gradient_cache_size=1 ro.hwui.drop_shadow_cache_size=6 ro.hwui.texture_cache_flushrate=0.4 ro.hwui.text_small_cache_width=1024 ro.hwui.text_small_cache_height=1024 ro.hwui.text_large_cache_width=2048 ro.hwui.text_large_cache_height=1024 dalvik.vm.heapgrowthlimit=256m dalvik.vm.heapstartsize=8m dalvik.vm.heapsize=512m dalvik.vm.heaptargetutilization=0.75 dalvik.vm.heapminfree=512k dalvik.vm.heapmaxfree=8m ro.frp.pst=/dev/block/platform/msm_sdcc.1/by-name/frp persist.rcs.supported=0 persist.audio.dualmic.config=endfire persist.audio.fluence.voicecall=true persist.audio.fluence.voicerec=false persist.audio.fluence.speaker=false persist.radio.sib16_support=1 persist.data.qmi.adb_logmask=0 keyguard.no_require_sim=true Keyguard does not require a SIM by default drm.service.enabled=true Enable DRM decoding abilities if included in ROM ro.facelock.black_timeout=400 ro.facelock.det_timeout=1500 Face detection timeout ro.facelock.rec_timeout=2500 ro.facelock.lively_timeout=2500 Timeout for detecting life in the detected face ro.facelock.est_max_time=600 ro.facelock.use_intro_anim=false Enable facelock intro animation persist.sys.dalvik.vm.lib.2=libart.so Specify whether to use the Dalvik or ART runtime. (DO NOT USE DALVIK ON ANDROID 5.0 AND UP) dalvik.vm.isa.arm.features=div dalvik.vm.dexopt-flags=m=y net.bt.name=Android Name the device uses to identify itself on a network dalvik.vm.stack-trace-file=/data/anr/traces.txt Location of Dalvik trace file net.tethering.noprovisioning=true If set to true, the device will not check if the device is allowed to tether

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