[Samsung Galaxy Player 4.0, 5.0] j21098:
Here is how my build.prop looks like I didn't get bootloop I just changed the parts that say GT-i9000 didn't mess with anything else.

# begin build properties

# autogenerated by buildinfo.sh

ro.build.id=GINGERBREAD

ro.build.display.id=GINGERBREAD.XXKPQ.Klassic_R5

ro.build.version.incremental=XXKPQ

ro.build.version.sdk=10

ro.build.version.codename=REL

ro.build.version.release=2.3.6

ro.build.date=Tue Nov 1 09:31:52 KST 2011

ro.build.date.utc=1320107512

ro.build.type=user

ro.build.user=se.infra

ro.build.host=SEP-77

ro.build.tags=release-keys

ro.product.model=GT-i9000

ro.product.brand=samsung

ro.product.name=GT-i9000

ro.product.device=GT-i9000

ro.product.board=GT-i9000

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=samsung

ro.product.locale.language=en

ro.product.locale.region=GB

ro.wifi.channels=

ro.board.platform=s5pc110

# ro.build.product is obsolete; use ro.product.device

ro.build.product=GT-i9000

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

ro.build.description=YP-G1-user 2.3.6 GINGERBREAD XXKPQ release-keys

ro.build.fingerprint=samsung/YP-G1/YP-G1:2.3.6/GINGERBREAD/XXKPQ:user/release-keys

# Samsung Specific Properties

ro.build.PDA=G1XXKPQ

ro.build.hidden_ver=G1XXKPQ

ro.build.changelist=700402

ro.csc.sales_code=XAA

ro.flash.resolution=720

# end build properties

#

# system.prop for smdkc110

#

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

rild.libargs=-d /dev/ttyS0

ro.sf.lcd_density=240

ro.opengles.version=131072

# Samsung USB default mode

persist.service.usb.setting=2

#

# ADDITIONAL_BUILD_PROPERTIES

#

ro.opengles.version=131072

ro.config.ringtone=01_Minimal_tone.ogg

ro.config.notification_sound=01_Sherbet.ogg

ro.config.alarm_alert=Good_Morning.ogg

ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html

ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html

ro.com.google.locationfeatures=1

ro.setupwizard.mode=DISABLED

ro.com.google.gmsversion=2.3_r7

wifi.interface=eth0

ro.secdevenc=true

keyguard.no_require_sim=true

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

ro.com.android.dataroaming=false

ro.config.notification_sound=OnTheHunt.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

media.stagefright.enable-rtsp=false

dev.sfbootcomplete=0

net.bt.name=Android

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

# Smurfed Out Settings

# By Papa Smurf151

# Smurtastic

#!

# Raise Photo and Video Quality

#!

ro.media.enc.jpeg.quality=100

ro.media.capture.maxres=8m

ro.media.panorama.defres=3264x1840

ro.media.panorama.frameres=1280x720

ro.camcorder.videoModes=true

media.stagefright.enable-player=true

ro.media.dec.jpeg.memcap=8000000

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

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

media.stagefright.enable-record=true

ro.media.enc.hprof.vid.fps=65

#!

# VM Tweaks

#!

dalvik.vm.verify-bytecode=false

dalvik.vm.execution-mode=int:jit

dalvik.vm.heapsize=128m

dalvik.vm.dexopt-flags=v=n,o=v

#!

# WiFi and 3g Tweaks

#!

net.tcp.buffersize.default=6144,87380,1048576,6144,87380,524288

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

net.tcp.buffersize.umts=6144,87380,1048576,6144,87380,524288

net.tcp.buffersize.gprs=6144,87380,1048576,6144,87380,524288

net.tcp.buffersize.edge=6144,87380,524288,6144,16384,262144

net.tcp.buffersize.hspa=6144,87380,524288,6144,16384,262144

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

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

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

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.mot.eri.losalert.delay=1000

#!

# Battery Saving Tweaks

#!

pm.sleep_mode=1

wifi.supplicant_scan_interval=180

ro.ril.disable.power.collapse=1

#!

# Render UI with GPU

#!

debug.sf.hw=1

#!

# Decrease dialing out delay

#!

ro.telephony.call_ring.delay=0

#!

# Helps scrolling responsiveness and Increase overall touch responsiveness

windowsmgr.max_events_per_sec=240

debug.performance.tuning=1

video.accelerate.hw=1

#!

# Disable blackscreen issue after a call

#!

ro.lge.proximity.delay=25

mot.proximity.delay=25

#!

# Fix some application issues

#!

ro.kernel.android.checkjni=0

#!

# Force button lights on when screen is on

#!

ro.mot.buttonlight.timeout=0

#!

# Memory Tweaks

#!

# Qualcom Tweaks

debug.qctwa.statusbar=1

debug.qctwa.perservebuf=1

com.qc.hardware=true

#!

# Misc Tweaks

#!

ro.ril.enable.amr.wideband=1

ro.ril.def.agps.feature=1

ro.ril.def.agps.mode=2

ro.config.hw_menu_unlockscreen=false

persist.sys.use_dithering=0

persist.sys.purgeable_assets=0

persist.ril.uart.flowctrl=10

ro.config.disable_hw_accel=false

persist.ril.mux.noofchannels=10

ro.ext4fs=1

persist.sys.shutdown.mode=hibernate

ro.wmt.blcr.enable=0

windowsmgr.support_rotation_270=true

debug.egl.profiler=1

ring.delay=0

ENFORCE_PROCESS_LIMIT=false

MAX_SERVICE_INACTIVITY=

MIN_HIDDEN_APPS=

MAX_HIDDEN_APPS=

CONTENT_APP_IDLE_OFFSET=

EMPTY_APP_IDLE_OFFSET=

MAX_ACTIVITIES=

ACTIVITY_INACTIVE_RESET_TIME=

# SuperCharger Installation Marker.

# V6 SuperCharger, OOM Grouping & Priority Fixes created by zeppelinrox.

# SuperMinFree Calculator & MFK Calculator (for min_free_kbytes) created by zeppelinrox also ;^]

#

# See http://goo.gl/krtf9 - Linux Memory Consumption - Nice article!

# See http://goo.gl/hFdNO - Memory and SuperCharging Overview ...or... "Why `Free RAM` Is NOT Wasted RAM!"

# See http://goo.gl/4w0ba - MFK Calculator Info - explanation for vm.min_free_kbytes.

#

# DO NOT DELETE COMMENTS. DELETING COMMENTS WILL BREAK UNINSTALL ROUTINE!

#

# BEGIN OOM_MEM_Settings

ro.FOREGROUND_APP_MEM=2048

ro.VISIBLE_APP_MEM=3584

ro.PERCEPTIBLE_APP_MEM=1024

ro.HEAVY_WEIGHT_APP_MEM=14080

ro.SECONDARY_SERVER_MEM=14080

ro.BACKUP_APP_MEM=17920

ro.HOME_APP_MEM=1024

ro.HIDDEN_APP_MEM=17920

ro.EMPTY_APP_MEM=25600

# END OOM_MEM_Settings

# BEGIN OOM_ADJ_Settings

ro.FOREGROUND_APP_ADJ=0

ro.VISIBLE_APP_ADJ=3

ro.PERCEPTIBLE_APP_ADJ=2

ro.HEAVY_WEIGHT_APP_ADJ=4

ro.SECONDARY_SERVER_ADJ=6

ro.BACKUP_APP_ADJ=7

ro.HOME_APP_ADJ=1

ro.HIDDEN_APP_MIN_ADJ=9

ro.EMPTY_APP_ADJ=15

# END OOM_ADJ_Settings

# End of V6 SuperCharged Entries.