[Magisk] enotar:
Hey Didgeridoohan,

Can you help me with this one Samsung Galaxy Tab S4 T830, I extract the build.prop from original samsung firmware Android 10.0

tell me if you need something else.

Thank you

# begin common build properties
# autogenerated by build/make/tools/buildinfo_common.sh
ro.system.build.date=Thu Jun 11 23:25:56 KST 2020
ro.system.build.date.utc=1591885556
ro.system.build.fingerprint=samsung/gts4lwifixx/gts4lwifi:10/QP1A.190711.020/T830XXU4CTF5:user/release-keys
ro.system.build.id=QP1A.190711.020
ro.system.build.tags=release-keys
ro.system.build.type=user
ro.system.build.version.incremental=T830XXU4CTF5
ro.system.build.version.release=10
ro.system.build.version.sdk=29
ro.product.system.brand=samsung
ro.product.system.manufacturer=samsung
ro.product.system.model=SM-T830
ro.product.system.name=gts4lwifixx
ro.product.system.device=gts4lwifi
# end common build properties
# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=QP1A.190711.020
ro.build.display.id=QP1A.190711.020.T830XXU4CTF5
ro.build.keys=test-keys
ro.build.display_build_number=true
ro.build.version.incremental=T830XXU4CTF5
ro.build.version.sdk=29
ro.build.version.preview_sdk=0
ro.build.version.preview_sdk_fingerprint=REL
ro.build.version.codename=REL
ro.build.version.all_codenames=REL
ro.build.version.release=10
ro.build.version.security_patch=2020-06-01
ro.build.version.base_os=
ro.build.version.security_index=1
ro.build.version.min_supported_target_sdk=23
ro.build.date=Thu Jun 11 23:25:56 KST 2020
ro.build.date.utc=1591885556
ro.build.type=user
ro.build.user=dpi
ro.build.host=SWDI7618
ro.build.tags=release-keys
ro.build.flavor=gts4lwifixx-user
ro.build.system_root_image=false
ro.build.tf_modelnumber=SM-T830
# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,
# use ro.product.cpu.abilist instead.
ro.product.cpu.abi=arm64-v8a
ro.product.cpu.abilist=arm64-v8a,armeabi-v7a,armeabi
ro.product.cpu.abilist32=armeabi-v7a,armeabi
ro.product.cpu.abilist64=arm64-v8a
ro.product.locale=en-GB
ro.wifi.channels=
# ro.build.product is obsolete; use ro.product.device
# ro.product.name/ro.product.device should use PRODUCT_MODEL in case of jpn model
ro.build.product=gts4lwifi
# Do not try to parse description or thumbprint
ro.build.description=gts4lwifixx-user 10 QP1A.190711.020 T830XXU4CTF5 release-keys
# Samsung Specific Properties
ro.build.PDA=T830XXU4CTF5
ro.build.sw_version=T830XXU4CTF5
ro.build.official.release=true
ro.build.2ndbrand=false
ro.config.rm_preload_enabled=1
ro.build.changelist=18876299
ro.product_ship=true
ro.user_trial=FALSE
ro.hardware.chipname=MSM8998
ro.build.characteristics=tablet
# end build properties

#
# from device/qcom/msm8998/system.prop
#
#
# system.prop for cobalt
#

#rild.libpath=/system/lib/libreference-ril.so
rild.libpath=/system/vendor/lib64/libril-qc-qmi-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
# Set network mode to (T/L/G/W/1X/EVDO, T/G/W/L) for 7+5 mode device on DSDS mode
ro.telephony.default_network=22,20

debug.sf.enable_hwc_vds=1
debug.sf.hw=1
debug.sf.latch_unsignaled=1
debug.gralloc.enable_fb_ubwc=1
dalvik.vm.heapsize=36m
dev.pm.dyn_samplingrate=1
persist.demo.hdmirotationlock=false

#Disable Skip Validate
sdm.debug.disable_skip_validate=1
#property to specify the number of frames to skip before setting hint
sdm.perf_hint_window=50

#Property to enable display default color mode
vendor.display.enable_default_color_mode=1

# Display Properties as per treble compliance
vendor.gralloc.enable_fb_ubwc=1
vendor.display.disable_skip_validate=1
vendor.display.perf_hint_window=50

#ro.hdmi.enable=true
#
# system props for the cne module
#
persist.vendor.cne.feature=1

#system props for the MM modules
media.stagefright.enable-player=true
media.stagefright.enable-http=true
media.stagefright.enable-aac=true
media.stagefright.enable-qcp=true
media.stagefright.enable-scan=true
mmp.enable.3g2=true
media.aac_51_output_enabled=true
mm.enable.smoothstreaming=true
media.settings.xml=/vendor/etc/media_profiles_vendor.xml

#13631487 is decimal sum of supported codecs in AAL
#codecs:(PARSER_)AAC AC3 AMR_NB AMR_WB ASF AVI DTS FLV 3GP 3G2 MKV MP2PS MP2TS MP3 OGG QCP WAV FLAC AIFF APE DSD
vendor.mm.enable.qcom_parser=13631487
persist.mm.enable.prefetch=true

# disable PQ feature by default
vendor.vidc.enc.disable.pq=true

#prefer HW codec over SW for thumbnail
media.stagefright.thumbnail.prefer_hw_codecs=true

# Additional buffers shared between Camera and Video
vidc.enc.dcvs.extra-buff-count=2

#
# system props for the data modules
#
ro.vendor.use_data_netmgrd=true
persist.data.netmgrd.qos.enable=true
persist.vendor.data.mode=concurrent
#system props for time-services
persist.timed.enable=true

# system property for maximum number of HFP client connections
bt.max.hfpclient.connections=1

# System property for cabl
ro.qualcomm.cabl=2

#
# System props for telephony
# System prop to turn on CdmaLTEPhone always
telephony.lteOnCdmaDevice=1

#Simulate sdcard on /data/media
#
persist.fuse_sdcard=true

#system prop for A4WP profile support
ro.bluetooth.a4wp=false

#system prop for wipower support
ro.bluetooth.emb_wp_mode=true
ro.bluetooth.wipower=true

#
#snapdragon value add features
#

#minimum duration for offload playback in secs
audio.offload.min.duration.secs=30

#enable offload audio video playback by default
audio.offload.video=true

#enable music through deep buffer
audio.deep_buffer.media=true

#set AudioFlinger client heap size
ro.af.client_heap_size_kbyte=7168

# Reduce client buffer size for fast audio output tracks
af.fast_track_multiplier=1

#property to enable user to access Google WFD settings
persist.debug.wfd.enable=1
##property to choose between virtual/external wfd display
persist.sys.wfd.virtual=0

# system prop for NFC DT
ro.nfc.port=I2C

#hwui properties
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=4096

#property to enable VDS WFD solution
persist.hwc.enable_vds=1

#Settings to enable sensors
#Device Orientation sensor
ro.vendor.sensors.dev_ori=true
#Persistent Motion Detector
ro.vendor.sensors.pmd=true
#Stationary Detector
ro.vendor.sensors.sta_detect=true
#Motion Detector
ro.vendor.sensors.mot_detect=true
#Device Position Classifier
ro.vendor.sensors.dpc=true
#MultiShake sensor
ro.vendor.sensors.multishake=true
#support sensor directchannel reporting
#persist.vendor.sensors.direct_channel=true

#Enable stm events
persist.debug.coresight.config=stm-events

#Disable face beautification
persist.ts.rtmakeup=false

#Expose aux camera for below packages
vendor.camera.aux.packagelist=org.codeaurora.snapcam

#Whitelisting the below packages
persist.vendor.camera.privapp.list=org.codeaurora.snapcam
persist.camera.privapp.list=org.codeaurora.snapcam

#enable IZat OptInApp overlay
persist.vendor.overlay.izat.optin=rro

# Property for backup NTP Server
persist.backup.ntpServer="0.pool.ntp.org"

#system prop for Bluetooth SOC type
vendor.bluetooth.soc=cherokee
ro.bluetooth.library_name=libbluetooth.so
persist.vendor.btstack.enable.splita2dp=true
persist.vendor.btstack.a2dp_offload_cap=sbc-aptx-aptxhd-aac
# end of device/qcom/msm8998/system.prop

#
# from device/samsung/gts4lwifi/system.prop
#
#Cmc properties
ro.cmc.device_type=sd
ro.cmc.version=2.0

# For QQ
ro.qq.camera.sensor=3

#system prop for Bluetooth SOC type
qcom.bluetooth.soc=cherokee

# System property for cabl
ro.qualcomm.cabl=1

qcom.hw.aac.encoder=true

#system props for the MM modules
media.stagefright.enable-fma2dp=true

# enable tunnel encoding for amrwb
tunnel.audio.encode = true# end of device/samsung/gts4lwifi/system.prop

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.treble.enabled=true
ro.build.version.sem=2902
ro.build.version.sep=110100
ro.system.build.version.sehi=2903
ro.build.selinux=1
ro.config.knox=v30
ro.config.iccc_version=3.0
ro.config.dmverity=G
ro.config.tima=1
ro.config.timaversion=3.0
ro.config.timaversion_info=Knox3.4_S.R.R
ro.config.knox.ucm=1
ro.kernel.qemu=0
net.bt.name=Android
ro.vendor.qti.va_aosp.support=1

Building a Rom and stuck with that ctsProfile=false