[General Questions and Answers] doomstars1:
how to update my phone with newest android 4.2.2 or 4.3 or 4.4.4 i I tried install recovery buth dont install crash my system the model of phone is escher star s4 with msm8225 amr v7 procesorr quad core 1 gb ram check my build prop

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=JZO54K

ro.build.display.id=msm8625-userdebug 4.1.2 JZO54K eng.root.20130829.164046 test-keys

ro.build.version.incremental=eng.root.20130829.164046

ro.build.version.sdk=16

ro.build.version.codename=REL

ro.build.version.release=4.1.2

ro.build.date=2013年 08月 29日 星期四 16:41:54 CST

ro.build.date.utc=1377765715

ro.build.type=userdebug

ro.build.user=root

ro.build.host=android-desktop

ro.build.tags=test-keys

ro.product.model=FDT W999

ro.product.brand=FDT W999

ro.product.name=FDT W999

ro.product.device=msm8625

ro.product.board=7x27

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=unknown

ro.product.locale.language=en

ro.product.locale.region=GB

ro.wifi.channels=

ro.board.platform=msm7627a

# ro.build.product is obsolete; use ro.product.device

ro.build.product=W802

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

ro.build.description=msm8625-userdebug 4.1.2 JZO54K eng.root.20130829.164046 test-keys

ro.build.fingerprint=qcom/msm8625/msm8625:4.1.2/JZO54K/eng.root.20130829.164046:userdebug/test-keys

ro.build.characteristics=default

persist.sys.language=en

persist.sys.country=GB

persist.sys.localevar=

persist.sys.timezone=Asia/Shanghai

ro.build.version.subversion=V1.0.0

ro.adups.fota.device=FDT_W999

# end build properties

#

# system.prop for surf

#

rild.libpath=/system/lib/libril-qc-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

keyguard.no_require_sim=1

debug.sf.hw=1

debug.composition.7x27A.type=dyn

debug.composition.7x25A.type=dyn

debug.composition.8x25.type=dyn

ro.sf.lcd_density=320

ro.sf.7x27A.lcd_density=320

ro.sf.8x25.lcd_density=320

dalvik.vm.heapsize=24m

persist.gralloc.cp.level3=1

#

# 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.fmc.init.time.out=30

persist.cne.fmc.comm.time.out=130

persist.cne.fmc.retry=false

persist.cne.feature=0

#

# system props for the MM modules

#

media.stagefright.enable-player=true

media.stagefright.enable-meta=false

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

media.stagefright.enable-fma2dp=true

media.stagefright.enable-aac=true

media.stagefright.enable-qcp=true

# Headset hook delay in milli seconds

headset.hook.delay=500

#

# system prop for audio post processing

#

audio.legacy.postproc=true

#

# system prop for opengles version

#

ro.opengles.version=131072

#

# system props for the data modules

#

ro.use_data_netmgrd=true

persist.data.ds_fmc_app.mode=0

#

# system props for IMS module

#

persist.ims.regmanager.mode=0

#

# system prop for requesting Master role in incoming Bluetooth connection.

#

ro.bluetooth.request.master=true

#

# system prop for Bluetooth FTP profile

#

ro.qualcomm.bluetooth.ftp=true

#

# system prop for Bluetooth SAP profile

#

ro.qualcomm.bluetooth.sap=true

#

# system prop for Bluetooth Auto connect for remote initated connections

#

ro.bluetooth.remote.autoconnect=true

#

#system property for Bluetooth discoverability timeout in seconds

#0: Always discoverable

#debug.bt.discoverable_time=0

#

# System prop to disable strict mode flash on display

#

persist.sys.strictmode.visual=false

#

# System prop to enable/disable OMH. Enabled by default

#

persist.omh.enabled=1

#System prop to enable ehrpd capability

ro.config.ehrpd=true

# System property for cabl

ro.qualcomm.cabl=1

# System props for telephony

# System prop to turn on CdmaLTEPhone always

telephony.lteOnCdmaDevice=1

#

# System prop for sending transmit power request to RIL during WiFi hotspot on/off

#

ro.ril.transmitpower=true

#

#

#System prop to determine availability of

#analog fm path

#

ro.fm.analogpath.supported=true

#

#System property for FM transmitter

#

ro.fm.transmitter=false

#

#System property for single instance recording

#

ro.fm.mulinst.recording.support=false

#

#for using emmc partition instead sdcard

#

persist.sys.emmcsdcard.enabled=0

#

# system props for SD card emulation of emmc partition

#

ro.emmc.sdcard.partition=20

#

# system property to enforce Phone Mode view

#

ro.screen.layout=normal

#

#System prop for setting the pixel format

#

#ro.staticwallpaper.pixelformat=RGB_565

#

#System prop for disabling the meta data mode for encoder

#

debug.camcorder.disablemeta=0

#

# Simulate sdcard on /data/media

#

persist.fuse_sdcard=false

#

# System prop for using landscape preview layout in camera

#

debug.camera.landscape=true

#

# System prop for capping scroll velocity

#

ro.max.fling_velocity=4000

#

# System prop for enabling discontinuity for HLS Variant Playlist

#

httplive.enable.discontinuity=true

#

# Enable Dynamic sampling to help with cases like mp3 playback.

#

dev.pm.dyn_samplingrate=1

#

# On Strider below period is found to improve power numbers for AAC MP4

#

dev.pm.dyn_sample_period=700000

#

# System prop for enabling the cdrom feature

#

persist.service.cdrom.enable=1

#for enable poweroff charging feature

persist.pwroffcharging.enable=1

#enable read network preference from NV 10

persist.radio.mode_pref_nv10=1

#

# System prop for mapping to TTY Device for CSVT

#

hw.tty.vtdevice=/dev/smd11

# Add 20120823 TS-FMC-V2 start

#

# System prop for enabling the fmc feature

#

ro.config.cwenable=1

#

# System prop for enabling the fmc v2.0 feature

#

ro.config.fmcv2support=1

# Add 20120823 TS-FMC-V2 end

# set default mtu to 1380

persist.data_netmgrd_mtu=1380

#

# System prop for enabling forced sound in camera start/stop tones

#

ro.camera.sound.forced=1

#

# Snapdragon value add features

#

ro.qc.sdk.camera.facialproc=true

ro.qc.sdk.gestures.camera=false

#

# Enable swaprect feature

#

debug.sf.swaprect=1

#add by wjw to enable reset invalid sim card

persist.radio.reset_invalid_sim_card=1

#

# ADDITIONAL_BUILD_PROPERTIES

#

dalvik.vm.heapstartsize=5m

dalvik.vm.heapsize=128m

keyguard.no_require_sim=true

ro.com.android.dataroaming=true

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

ro.config.ringtone=cloud.ogg

ro.config.notification_sound=pixiedust.ogg

ro.carrier=unknown

ro.config.alarm_alert=Alarm_Classic.ogg

ro.vendor.extension_library=/system/lib/libqc-opt.so

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.lockprof.threshold=500

net.bt.name=Android

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

persist.sys.fc.counter=0

persist.sys.anr.counter=0

# begin adupsfota properties

ro.adups.fota.oem=uniscope

ro.adups.fota.version=FDT W999_W802_V1.0.0_130829

# begin adupsfota properties