[7" Kindle Fire HD General] persano:
Here i m going to leave my modified build.prop test it after telling me anything. All the build.prop is tweaked. Not only the under part.

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=IML74K

ro.build.display.id=IML74K

ro.build.version.incremental=7.2.3_user_2330720

ro.build.version.number=02330720

ro.build.version.name=7.2.3

ro.build.lab126.buildtype=Nightly

ro.build.lab126.build=307

ro.build.version.sdk=15

ro.build.version.codename=REL

ro.build.version.release=4.0.3

ro.build.date=Tue Dec 11 03:52:21 UTC 2012

ro.build.date.utc=1355197941

ro.build.type=user

ro.build.user=ubuntu

ro.build.host=ip-10-161-14-94

ro.build.tags=release-keys

ro.build.platform.version=UNKNOWN

ro.product.model=KFTT

ro.product.brand=Amazon

ro.product.name=Kindle Fire

ro.product.device=Kindle

ro.product.board=blaze_tablet

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=Amazon

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=omap4

# ro.build.product is obsolete; use ro.product.device

ro.build.product=tate

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

ro.build.description=tate-user 4.0.3 IML74K 7.2.3_user_2330720 release-keys

ro.build.fingerprint=Android/tate/tate:4.0.3/IML74K/7.2.3_user_2330720:user/release-keys

ro.build.characteristics=tablet

# end build properties

# system.prop for tate

# This overrides settings in the products/generic/system.prop file

#

# rild.libpath=/system/lib/libreference-ril.so

rild.libpath=/system/lib/libril-lab126qmi.so

# rild.libargs=-d /dev/ttyS0

com.ti.omap_enhancement=true

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=64m

keyguard.no_require_sim=1

ro.sf.lcd_density=240

qemu.hw.mainkeys=0

ro.opengles.version=131072

wifi.interface=wlan0

# Define modem related settings

ro.radio.use-ppp no

ro.config.nocheckin yes

#define defaults for audio D/A mic and power mode

omap.audio.mic.main=DMic0L

omap.audio.mic.sub=DMic0R

omap.audio.power=PingPong

sys.usb.vid=1949

sys.usb.pid=0007

ro.camera.sound.forced=0

#System property for dolby 5.1 codec integration

dolby.audio.sink.info=speaker

ro.lab126.skipscreenshots=1

persist.lab126.sys.usb.mtp=1

# temperature sys fs node properties to be used by ThermalValidation/StressTest

pcb.temp.sensor.sysfs.node=/sys/devices/platform/omap/omap_i2c.3/i2c-3/3-0070/temp1_input

batt.temp.sensor.sysfs.node=/sys/class/power_supply/bq27541/temp

cpu.temp.sensor.sysfs.node=/sys/devices/platform/omap/omap_temp_sensor.0/temp1_input

hotspot.temp.sensor.sysfs.node=/sys/class/thermal_sensor/thermal_sensor0/device/hotspot_temp

# charge current sys fs node property to be used by ThermalValidation

charge.current.sysfs.node=/sys/class/power_supply/smb347_usb/device/charge_current

#

# ADDITIONAL_BUILD_PROPERTIES

#

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

ro.config.ringtone=Ring_Synth_04.ogg

ro.config.notification_sound=pixiedust.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

hwui.render_dirty_regions=false

ro.opengles.version=131072

ro.sf.lcd_density=160

persist.hwc.mirroring.region=0:0:800:1280

persist.hwc.mirroring.transform=0

persist.lab126.touchnoisereject=1

persist.lab126.chargeprotect=1

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=64m

dalvik.vm.dexopt-flags=m=v,o=y

net.bt.name=Android

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

debug.performance.tuning=1

video.accelerate.hw=1

windowsmgr.max_events_per_sec=90

pm.sleep_mode=1

ro.ril.disable.power.collapse=0

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

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

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

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

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

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

net.tcp.buffersize.lte=524288,1048576,2097152,524288,1048576,2097152

net.tcp.buffersize.hspda=4096,87380,256960,4096,16 384,256960

net.tcp.buffersize.evdo_b=6144,87380,1048576,6144,87380,1048576

ro.lge.proximity.delay=25

ro.kernel.android.checkjni=0

debug.sf.hw = 1

ro.config.nocheckin=1

ro.lge.proximity.delay=25

mot.proximity.delay=25

ro.com.android.dataroaming=true

ro.telephony.default-network=4

opengl.vivante.texture=1

ro.opengles.version=131072

persist.sys.ui.hw=true

sys.hwc.compose_policy=6

ro.max.fling_velocity=12000

ro.min.fling_velocity=8000

ro.kernel.checkjni=0

wifi.supplicant_scan_interval=200

debug.sf.nobootanimation=1

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

media.stagefright.enable-record=false

net.ppp0.dns1=8.8.8.8

net.ppp0.dns2=8.8.4.4

net.dns1=8.8.8.8

net.dns2=8.8.4.4

ro.ril.fast.dormancy.rule=0

persist.sys.purgeable_assets=1

dalvik.vm.execution-mode=int:jit

Sent From My Rooted Kindle Fire HD