[Android Software/Hacking General [Developers Only]] JaiminRajani:
I am using Samsung Galaxy PRO B7510 powered by Gingerbread 2.3.6

Replacing the original build.prop with the following one, is causing the touch screen to not function at all after rebooting the phone:

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=GINGERBREAD

ro.build.display.id=GINGERBREAD.KPB

ro.build.version.incremental=KPB

ro.build.version.sdk=10

ro.build.version.codename=REL

ro.build.version.release=2.3.6

ro.build.date=Sat Nov 12 21:41:07 KST 2011

ro.build.date.utc=1321101667

ro.build.type=user

ro.build.user=se.infra

ro.build.host=SEI-15

ro.build.tags=release-keys

ro.product.model=Nexus S

ro.product.brand=samsung

ro.product.name=GT-B7510

ro.product.device=GT-B7510

ro.product.board=GT-B7510

ro.product.cpu.abi=armeabi

ro.product.manufacturer=samsung

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=14

ro.board.platform=msm7k

ro.error.receiver.default=com.samsung.receiver.error

# ro.build.product is obsolete; use ro.product.device

ro.build.product=GT-B7510

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

ro.build.description=soju-user 2.3.4 GRJ22 121341 release-keys

ro.build.fingerprint=google/soju/crespo:2.3.4/GRJ22/121341:user/release-keys

# Samsung Specific Properties

ro.build.PDA=B7510XXKPB

ro.build.hidden_ver=B7510XXKPB

ro.build.changelist=729339

ro.build.buildtag=jenkins-HUDSON_SISO_BENNETT_GB_UPGRADE-55

# end build properties

#

# system.prop for GT-B7510

#

##rild.libpath=/system/lib/libril-qc-1.so

##rild.libargs=-d /dev/smd0

rild.libpath=/system/lib/libsec-ril.so

rild.libargs=-d /dev/smd0

persist.sys.language=en

persist.sys.country=IN

persist.sys.purgeable_assets=1

persist.sys.use_dithering=0

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=

DEVICE_PROVISIONED=1

debug.composition.type=mdp

dalvik.vm.startheapsize=8m

dalvik.vm.heapsize=24m

ro.sf.lcd_density=120

persist.sys.timezone=Asia/Calcutta

media.stagefright.enable-player=false

# The OpenGL ES API level that is natively supported by this device.

# This is a 16.16 fixed point number

ro.opengles.version = 131072

# Internet Speed Enhancement

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=4096,87380,256960,4096,16384,256960

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

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

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

wlan.default.dns1=8.8.8.8

wlan.default.dns2=8.8.4.4

# 3G Signal Optimization

ro.ril.hsxpa=3

ro.ril.gprsclass=32

ro.ril.hep=1

ro.ril.hsdpa.category=28

ro.ril.enable.3g.prefix=1

ro.ril.hsupa.category=9

ro.ril.def.agps.mode=2

ro.ril.def.agps.feature=1

ro.ril.enable.a53=1

ro.ril.enable.dtm=1

# Disable Bootanimation For Quicker Boot

debug.sf.nobootanimation=1

ro.config.play.bootsound=0

# Scrolling Responsiveness

windowsmgr.max_events_per_sec=150

# Fix App Issues

ro.kernel.android.checkjni=0

ro.config.nocheckin=1

profiler.force_disable_err_rpt=1

profiler.force_disable_ulog=1

debug.overlayui.enable=1

# Save Battery

wifi.supplicant_scan_interval=180

pm.sleep_mode=1

# Enhance JPG Image Quality

ro.media.enc.jpeg.quality=100

# Decrease Delay While Dialing A Number

ro.telephony.call_ring.delay=0

# Allows the phone to sleep better

ro.ril.disable.power.collapse=1

# Stream videos faster

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

media.stagefright.enable-aac=true

media.stagefright.enable-qcp=true

media.stagefright.enable-record=false

# Enhance quality of photos and videos

ro.media.dec.jpeg.memcap=8000000

ro.media.enc.hprof.vid.bps=8000000

# Forces Home launcher into memory

ro.HOME_APP_ADJ=1

# Disable usb debugging notification

persist.adb.notify=0

# Give HD effect

qemu.sf.lcd_density=120

# Stop phone from waking up on pressing volume key

ro.config.hwfeature_wakeupkey=0

# Render UI with GPU

debug.sf.hw=1

debug.composition.type=gpu

# Gmaps location service killable when not required

persist.sys.gmaps_hack=1

# multitouch support

ro.product.multi_touch_enabled=true

ro.product.max_num_touch=2

# Increase overall touch responsivenss

debug.performance.tuning=1

video.accelerate.hw=1

# Default.prop overwrite

ro.secure=0

ro.debuggable=1

persist.service.adb.enable=1

#MM Camera

ro.media.enc.vid.m4v.width=176,320

ro.media.enc.vid.m4v.height=144,240

ro.media.enc.vid.m4v.bps=90000,770000

ro.media.enc.vid.h264.width=176,320

ro.media.enc.vid.h264.height=144,240

ro.media.enc.vid.h264.bps=90000,770000

ro.media.enc.vid.h263.fps=5,15

ro.media.enc.vid.h263.width=176,320

ro.media.enc.vid.h263.height=144,240

ro.media.enc.vid.h263.bps=90000,770000

ro.media.enc.vid.height.min = 144

ro.media.enc.vid.height.max = 240

ro.media.enc.vid.width.min = 176

ro.media.enc.vid.width.max = 320

ro.media.enc.vid.bps.min =90000

ro.media.enc.vid.bps.max =770000

ro.media.enc.vid.fps.min = 5

ro.media.enc.vid.fps.max = 15

# Better camera results

ro.media.capture.maxres=8m

ro.media.capture.fast.fps=4

ro.media.capture.slow.fps=120

ro.media.capture.flash=led

ro.media.capture.flashMinV=3300000

ro.media.capture.torchIntensity=40

ro.media.capture.flashIntensity=70

ro.media.panorama.defres=3264x1840

ro.media.panorama.frameres=1280x720

ro.camcorder.videoModes=true

ro.media.enc.mprof.codec.aud=aac

ro.media.enc.mprof.aud.bps=128000

ro.media.enc.lprof.aud.hz=44100

ro.media.enc.aud.aac.bps=96000,256000

ro.media.enc.aud.aac.hz=8000,44100

ro.media.enc.vid.m4v.fps=30,60

ro.media.enc.vid.h264.fps=30,60

ro.media.dec.aud.wma.enabled=1

ro.media.dec.vid.wmv.enabled=1

ro.media.enc.hprof.vid.fps=30

#

# ADDITIONAL_BUILD_PROPERTIES

#

ro.com.google.locationfeatures=1

ro.setupwizard.mode=DISABLED

ro.com.google.clientidbase=android-google

ro.com.android.wifi-watchlist=GoogleGuest

ro.setupwizard.enterprise_mode=1

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

ro.com.google.gmsversion=2.3_r7

ro.config.notification_sound=12_Sherbet_Default_message.ogg

ro.config.alarm_alert=1_Good_Morning.ogg

dev.sfbootcomplete=0

keyguard.no_require_sim=true

ro.config.ringtone=Classic_bell.ogg

ro.config.notification_sound=01_Cloud.ogg

ro.config.alarm_alert=Alarm_Buzzer.ogg

ro.opengles.version=131072

ro.com.google.clientidbase=android-samsung

net.bt.name=Android

dalvik.vm.execution-mode=int:jit

dalvik.vm.dexopt-flags=m=y

dalvik.vm.dexopt-data-only=1

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

So I cant even swap to unlock. Someone pleeeaase help me figure out which entry is causing the issue.

Sincere thanks.