[Shield Tablet Q&A, Help & Troubleshooting] thefiqs:
I already modified (unfortunately still no 100% success)

all line written bold

Next step

Still not sure about these

ro.build.id=LMY47D

ro.build.flavor=foster_e_hdd-user

ro.product.model=SHIELD Android TV

ro.product.brand=NVIDIA

ro.product.name=foster_e_hdd

ro.product.device=foster

ro.product.locale.region=US

ro.build.product=foster

# Do not try to parse description, fingerprint, or thumbprint

ro.build.description=foster_e_hdd-user 5.1 LMY47D 35739_609.6420 release-keys

ro.build.fingerprint=NVIDIA/foster_e_hdd/foster:5.1/LMY47D/35739_609.6420:user/release-keys

ro.build.characteristics=tv

ro.nrdp.modelgroup=SHIELDANDROIDTV

Here you have the unmodified build.prop for the STV500GB if any of you want to have a look and figure out something.

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=LMY47D

ro.build.display.id=LMY47D.35739_609.6420

ro.build.version.incremental=35739_609.6420

ro.build.version.sdk=22

ro.build.version.codename=REL

ro.build.version.all_codenames=REL

ro.build.version.release=5.1

ro.build.date=Thu Oct 8 14:24:08 PDT 2015

ro.build.date.utc=1444339448

ro.build.type=user

ro.build.user=NVIDIA

ro.build.host=mobile-u64-396

ro.build.tags=release-keys

ro.build.flavor=foster_e_hdd-user

ro.product.model=SHIELD Android TV

ro.product.brand=NVIDIA

ro.product.name=foster_e_hdd

ro.product.device=foster

ro.product.board=

# 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.manufacturer=NVIDIA

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=tegra

# ro.build.product is obsolete; use ro.product.device

ro.build.product=foster

# Do not try to parse description, fingerprint, or thumbprint

ro.build.description=foster_e_hdd-user 5.1 LMY47D 35739_609.6420 release-keys

ro.build.fingerprint=NVIDIA/foster_e_hdd/foster:5.1/LMY47D/35739_609.6420:user/release-keys

ro.build.characteristics=tv

# end build properties

#

# from device/nvidia/soc/t210/system.prop

#

# opengles.version is 16.16 (maj.min) fixed point

ro.opengles.version=196609

persist.tegra.nvmmlite=1

persist.wlan.ti.calibrated=0

ro.sf.override_lcd_density=1

# glcomposer composition

persist.tegra.compositor=glcomposer

persist.tegra.decompression=cde-client

# WAR for bug 1536227: Restrict all ZBC clears to transparent black:

persist.tegra.AF73C63E=0x80007ffd

# disable input resampling

ro.input.noresample=1

#enable Miracast game mode support

nvwfd.gamemode=1

#max resolution supported for Miracast is 1080p, represented interms of macroblocks

nvwfd.max_macroblocks=8160

# usb vendor and product ID definition

ro.nv.usb.vid=0955

ro.nv.usb.pid.mtp=B436

ro.nv.usb.pid.mtp.adb=B437

ro.nv.usb.pid.rndis=B43A

ro.nv.usb.pid.rndis.adb=B43B

ro.nv.usb.pid.ptp=B438

ro.nv.usb.pid.ptp.adb=B439

#Set audioflinger resampler quality to DYN_HIGH_QUALITY

af.resampler.quality=7

#

# from device/nvidia/platform/t210/system.prop

#

wifi.interface=wlan0

wifi.Xinterface=xlan0

ap.interface=wlan0

# boot animation property

persist.bootanim.preload=1

#pbc properties

pbc.log.on=0

pbc.hist.size=5

pbc.step.period=700

pbc.polling.period=100

pbc.throttle.depth=0

persist.sys.pbc.enabled=1

persist.sys.pbc.hyst=5

persist.sys.pbc.psys.cap=10000

persist.sys.pbc.ibat.cap=4000

persist.sys.pbc.pbat.cap=30000

persist.sys.pbc.inf.game.mode=1

persist.sys.pbc.inf.socthres=20

persist.sys.pbc.pbat.slope=1.5

persist.sys.pbc.pbat.intercept=-7

persist.sys.pbc.over.cfboost=true

persist.sys.pbc.cfboost.floor=800000

persist.sys.pbc.gfboost.floor=300000

#disable Eco mode with charger

persist.sys.NV_ECO.IF.CHARGING=false

#playback type device, for cec

ro.hdmi.device_type=4

#used to enable adb over tcpip on port 5555 from Settings app

persist.system.adb.tcp.enable=0

#

# ADDITIONAL_BUILD_PROPERTIES

#

persist.sys.media.avsync=true

dalvik.vm.heapstartsize=12m

dalvik.vm.heapgrowthlimit=128m

dalvik.vm.heapsize=448m

ro.build.version.ota=2.1(22.18.61.16)

drm.service.enabled=true

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=5.0_r2

ro.com.google.clientidbase=android-nvidia

ro.sf.lcd_density=320

ro.nrdp.modelgroup=SHIELDANDROIDTV

ro.nrdp.audio.otfs=false

ro.radio.noril=true

ro.tegra.tz3.sorting=1

persist.sys.dalvik.vm.lib.2=libart.so

dalvik.vm.isa.arm64.features=default

dalvik.vm.isa.arm.features=div

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

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

Unmodified build.prop of the 16GB variant.

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=LMY47D

ro.build.display.id=LMY47D.35739_609.6420

ro.build.version.incremental=35739_609.6420

ro.build.version.sdk=22

ro.build.version.codename=REL

ro.build.version.all_codenames=REL

ro.build.version.release=5.1

ro.build.date=Thu Oct 8 13:57:46 PDT 2015

ro.build.date.utc=1444337866

ro.build.type=user

ro.build.user=NVIDIA

ro.build.host=mobile-u64-396

ro.build.tags=release-keys

ro.build.flavor=foster_e-user

ro.product.model=SHIELD Android TV

ro.product.brand=NVIDIA

ro.product.name=foster_e

ro.product.device=foster

ro.product.board=

# 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.manufacturer=NVIDIA

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=tegra

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

ro.build.product=foster

# Do not try to parse description, fingerprint, or thumbprint

ro.build.description=foster_e-user 5.1 LMY47D 35739_609.6420 release-keys

ro.build.fingerprint=NVIDIA/foster_e/foster:5.1/LMY47D/35739_609.6420:user/release-keys

ro.build.characteristics=tv

# end build properties

#

# from device/nvidia/soc/t210/system.prop

#

# opengles.version is 16.16 (maj.min) fixed point

ro.opengles.version=196609

persist.tegra.nvmmlite=1

persist.wlan.ti.calibrated=0

ro.sf.override_lcd_density=1

# glcomposer composition

persist.tegra.compositor=glcomposer

persist.tegra.decompression=cde-client

# WAR for bug 1536227: Restrict all ZBC clears to transparent black:

persist.tegra.AF73C63E=0x80007ffd

# disable input resampling

ro.input.noresample=1

#enable Miracast game mode support

nvwfd.gamemode=1

#max resolution supported for Miracast is 1080p, represented interms of macroblocks

nvwfd.max_macroblocks=8160

# usb vendor and product ID definition

ro.nv.usb.vid=0955

ro.nv.usb.pid.mtp=B430

ro.nv.usb.pid.mtp.adb=B431

ro.nv.usb.pid.rndis=B434

ro.nv.usb.pid.rndis.adb=B435

ro.nv.usb.pid.ptp=B432

ro.nv.usb.pid.ptp.adb=B433

#Set audioflinger resampler quality to DYN_HIGH_QUALITY

af.resampler.quality=7

#

# from device/nvidia/platform/t210/system.prop

#

wifi.interface=wlan0

wifi.Xinterface=xlan0

ap.interface=wlan0

# boot animation property

persist.bootanim.preload=1

#pbc properties

pbc.log.on=0

pbc.hist.size=5

pbc.step.period=700

pbc.polling.period=100

pbc.throttle.depth=0

persist.sys.pbc.enabled=1

persist.sys.pbc.hyst=5

persist.sys.pbc.psys.cap=10000

persist.sys.pbc.ibat.cap=4000

persist.sys.pbc.pbat.cap=30000

persist.sys.pbc.inf.game.mode=1

persist.sys.pbc.inf.socthres=20

persist.sys.pbc.pbat.slope=1.5

persist.sys.pbc.pbat.intercept=-7

persist.sys.pbc.over.cfboost=true

persist.sys.pbc.cfboost.floor=800000

persist.sys.pbc.gfboost.floor=300000

#disable Eco mode with charger

persist.sys.NV_ECO.IF.CHARGING=false

#playback type device, for cec

ro.hdmi.device_type=4

#used to enable adb over tcpip on port 5555 from Settings app

persist.system.adb.tcp.enable=0

#

# ADDITIONAL_BUILD_PROPERTIES

#

persist.sys.media.avsync=true

dalvik.vm.heapstartsize=12m

dalvik.vm.heapgrowthlimit=128m

dalvik.vm.heapsize=448m

ro.build.version.ota=2.1(22.18.61.16)

drm.service.enabled=true

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=5.0_r2

ro.com.google.clientidbase=android-nvidia

ro.sf.lcd_density=320

ro.nrdp.modelgroup=SHIELDANDROIDTV

ro.nrdp.audio.otfs=false

ro.radio.noril=true

ro.tegra.tz3.sorting=1

persist.sys.dalvik.vm.lib.2=libart.so

dalvik.vm.isa.arm64.features=default

dalvik.vm.isa.arm.features=div

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

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

But have to sleep. :eek: