[Xperia Z Android Development] krabappel2548:
Ok, try this build.prop:

##### Merging of the /util/data/semc_kernel_time_stamp.prop file #####
ro.build.date=Sun Jan 13 15:30:38 2013
ro.build.date.utc=1358087438
ro.build.user=BuildUser
ro.build.host=BuildHost

##### Final patch of properties #####
ro.build.product=C6603
ro.build.description=C6603-user 4.1.2 10.1.A.1.350 ofp_rw test-keys

ro.product.brand=Sony
ro.product.name=C6603_1270-7689
ro.product.device=C6603
ro.build.tags=release-keys
ro.build.fingerprint=Sony/C6603_1270-7689/C6603:4.1.2/10.1.A.1.350/ofp_rw:user/release-keys

######################## Customized property values #########################
ro.semc.version.cust=1270-7689
ro.semc.version.cust_revision=R12A
ro.semc.enable.fast_dormancy=true
ro.semc.rem-roam-icon=1
ro.nfc.icon.enable=true
ro.semc.ecclist.num=3
ro.semc.ecclist.type.0=police
ro.semc.ecclist.number.0=999
ro.semc.ecclist.plmn.0=234 FFF
ro.semc.ecclist.type.1=police
ro.semc.ecclist.number.1=112
ro.semc.ecclist.type.2=police
ro.semc.ecclist.number.2=911
persist.ro.ril.sms_sync_sending=1
ro.roaming.extended=true
ro.roaming.extended_rule=1
ro.telephony.no_emg_calls_only=true
ro.nfc.on.default=true
ro.nfc.se.sim.enable=true
ro.nfc.se.smx.enable=true
ro.product.locale.language=en
ro.product.locale.region=GB
ro.telephony.default_network=9
#############################################################################

ro.config.ringtone=xperia.ogg
ro.config.notification_sound=notification.ogg
ro.config.alarm_alert=alarm.ogg
ro.semc.content.number=PA9

################# Updating of the SW Version #################
ro.semc.version.fs_revision=10.1.A.1.350
ro.build.id=10.1.A.1.350
ro.build.display.id=KA01 XZ Revolution

##### Values from product package metadata #####
ro.semc.product.model=C6603
ro.semc.ms_type_id=PM-0270-BV
ro.semc.version.fs=GLOBAL-LTE
ro.semc.product.name=Xperia Z
ro.semc.product.device=C66
ro.product.model=C6603

# begin build properties
# autogenerated by buildinfo.sh
ro.build.version.incremental=ofp_rw
ro.build.version.sdk=16
ro.build.version.codename=REL
ro.build.version.release=4.1.2
ro.build.type=user
ro.product.board=MSM8960
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=Sony
ro.wifi.channels=
ro.board.platform=msm8960
# ro.build.product is obsolete; use ro.product.device
# Do not try to parse ro.build.description or .fingerprint
ro.build.characteristics=nosdcard
# end build properties
#
# from device/semc/fusion3/system.prop
#
#
# system.prop for surf
#

rild.libpath=/system/lib/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
persist.actionsafe.maxwidth=10
persist.actionsafe.maxheight=10
debug.sf.hw=1
debug.egl.hw=1
debug.composition.type=gpu
debug.enable.wl_log=1
debug.mdpcomp.maxlayer=3
debug.mdpcomp.logs=0

#
# system props for the cne module
#
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.feature=1

ro.hdmi.enable=true
lpa.decode=false
lpa.use-stagefright=false

#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-fma2dp=true
media.stagefright.enable-scan=true
mmp.enable.3g2=true
encoder.video.profile=high

#
# system props for the data modules
#
ro.use_data_netmgrd=true

#system props for time-services
persist.timed.enable=true

# System props for audio
persist.audio.fluence.mode=endfire
persist.audio.vr.enable=false
persist.audio.handset.mic=analog
persist.audio.lowlatency.rec=false
persist.audio.hp=true

# System prop to select audio resampler quality
af.resampler.quality=255
# System prop to select MPQAudioPlayer by default on mpq8064
mpq.audio.decode=true

#
# system prop for opengles version
#
# 131072 is decimal for 0x20000 to report version 2
ro.opengles.version=131072

# system prop for requesting Master role in incoming Bluetooth connection.
#
ro.bluetooth.request.master=true
#
# system prop for Bluetooth Auto connect for remote initated connections
#
ro.bluetooth.remote.autoconnect=true
# system property for Bluetooth discoverability time out in seconds
# 0: Always discoverable
#debug.bt.discoverable_time=0

#system prop for switching gps driver to qmi
persist.gps.qmienabled=true

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

#
# System prop for sending transmit power request to RIL during WiFi hotspot on/off
#
ro.ril.transmitpower=true

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

# Fontrenderer cache size (initial small texture)
ro.hwui.text_small_cache_width=2048

# System props for external display
hw.trueMirrorSupported=1
ro.hwui.external_width=1920
ro.hwui.external_height=1080

# Texture cache size (in MB)
ro.hwui.texture_cache_size=128.0f

#
# Supports warmboot capabilities
#
ro.warmboot.capability=1

# Default values/Locales for the hiding languages feature
ro.product.locale.excluded=ar_EG ar_IL fa_IR iw_IL

#
#snapdragon value add features
#
ro.qc.sdk.audio.ssr=false
##fluencetype can be "fluence" or "fluencepro" or "none"
ro.qc.sdk.audio.fluencetype=none
ro.qc.sdk.camera.facialproc=false
ro.qc.sdk.gestures.camera=false
ro.qc.sdk.sensors.gestures=false

# Modem power save enabled
persist.radio.add_power_save=1

# Interactive governor
ro.cpufreq.governor=interactive
#
# from device/semc/yuga/system.prop
#
# USB
ro.usb.pid_suffix=193

# System props for SOLS
ro.semc.sols.product-code=118
ro.semc.sols.company-code=5

# NFC
ro.nfc.vendor.name=nxp
ro.nfc.limitation.camera=true

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.product-res-path=framework/SemcGenericUxpRes.apk
ro.sf.lcd_density=480
dalvik.vm.heapstartsize=8m
dalvik.vm.heapgrowthlimit=128m
dalvik.vm.heapsize=384m
ro.com.android.dataroaming=false
ro.com.google.clientidbase=android-sonyericsson
ro.com.google.clientidbase.ms=android-sonymobile
ro.somc.clearphase.supported=true
ro.semc.xloud.supported=true
ro.setupwizard.mode=DISABLED
ro.com.google.gmsversion=4.1_r4
keyguard.no_require_sim=true
ro.com.android.dateformat=MM-dd-yyyy
ro.carrier=unknown
ro.vendor.extension_library=/system/lib/libqc-opt.so
dalvik.vm.heaputilization=0.25
dalvik.vm.heapidealfree=8388608
dalvik.vm.heapconcurrentstart=2097152
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
ro.qc.sdk.izat.premium_enabled=1
persist.gps.qc_nlp_in_use=0
persist.sys.ssr.log.path=/sdcard/sony_mlog
persist.sys.ssr.log.size=300
persist.sys.ssr.log.split=3
persist.sys.ssr.log.enable=0
ro.service.swiqi2.supported=true
persist.service.swiqi2.enable=1
ro.sony.irremote.protocol_type=2
ro.drm.active.num=4
ro.drm.active.0=marlin,1
ro.drm.active.1=playready,1
ro.drm.active.2=dtla,1
ro.drm.active.3=marlin_import,1

#Various
windowsmgr.max_events_per_sec=240
debug.performance.tuning=1
ro.config.nocheckin=1
ro.telephony.call_ring.delay=0
ro.ril.disable.power.collapse=0
pm.sleep_mode=1
dalvik.vm.verify-bytecode = false
dalvik.vm.dexopt-flags=m=y
dalvik.vm.execution-mode=int:jit

#propeduce the black screen time of the proximity sensor
ro.lge.proximity.delay=10
mot.proximity.delay=10

#Supersmooth scrolling
ro.max.fling_velocity=120000
ro.min.fling_velocity=80000
view.scroll_friction=10

#Network tweaks
ro.ril.hsxpa=2
ro.ril.gprsclass=10
net.dns1=8.8.8.8
net.dns2=8.8.4.4
net.tcp.buffersize.default=4096,87380,704512,4096,16384,110208
net.tcp.buffersize.wifi=524288,1048576,2097152,262144,524288,1048576
net.tcp.buffersize.lte=524288,1048576,2097152,262144,524288,1048576
net.tcp.buffersize.hspa=4094,87380,704512,4096,16384,262144
net.tcp.buffersize.umts=4094,87380,563200,4096,16384,110208
net.tcp.buffersize.gprs=4094,87380,256960,4096,16384,110208
net.tcp.buffersize.edge=4094,87380,256960,4096,16384,110208

ro.HOME_APP_MEM=7680
ro.HOME_APP_ADJ=1

#
#Keep apps in memory - test
#

### Launcher ###
sys.keep_app_1=com.sonyericsson.home # Sony Launcher

### System apps ###
sys.keep_app_1=com.android.systemui # Status bar

### Other apps ###
sys.keep_app_1=com.sonyericsson.android.camera # Camera
sys.keep_app_1=com.sonymobile.cameracommon # Camera Common