List of Build.prop optimizations - Collected from
http://bit.ly/NI6YCd.
#Battery Life
ro.ril.disable.power.collapse=1
pm.sleep_mode=1
wifi.supplicant_scan_interval=180
ro.mot.eri.losalert.delay=1000
#Screen Response
ro.min_pointer_dur=8
ro.max.fling_velocity=12000
ro.min.fling_velocity=8000
#Faster Boot Times
ro.config.hw_quickpoweron=true
#Call Voice Quality/Signal
ro.config.hw_fast_dormancy=1
ro.ril.enable.amr.wideband=1
#High Quality .jpeg's
persist.sys.use_dithering=1
ro.media.enc.jpeg.quality=100
ro.media.Dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=800000
ro.media.enc.hprof.vid.fps=25
ro.media.panorama.defres=3264x1840
#Remove FPS Cap
debug.gr.swapinterval=0
#Phone dials out faster
ro.telephony.call_ring.delay=1000
#Faster Video Streaming
media.stagefright.enable-player=true
media.stagefright.enable-meta=true
media.stagefright.enable-scan=true
media.stagefright.enable-http=true
media.stagefright.enable-rtsp=true
media.stagefright.enable-record=true
#Faster Network Speeds
net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960
net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960
#Faster 3G Speeds
ro.ril.hep=0
ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.enable.dtm=1
ro.ril.hsdpa.category=8
ro.ril.enable.a53=1
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=14449
ro.ril.hsupa.category=6
#Support IPv6/IPv4
persist.telephony.support.ipv6=1
persist.telephony.support.ipv4=1
#System Improvs
persist.sys.shutdown.mode=hibernate
ro.config.disable.hw_accel=false
persist.sys.purgeable_assets=1
persist.cust.tel.eons=1
persist.sys.ui.hw=1
debug.sf.hw=1
video.accelerate.hw=1
windowsmgr.max_events_per_sec=150
debug.performance.tuning=1
ro.telephony.call_ring.delay=0
persist.sys.use_dithering=0
debug.egl.profiler=1
debug.composition.type=GPU
debug.egl.hw=1
#Dalvik VM Improvs
dalvik.vm.checkjni=false
dalvik.vm.dexopt-data-only=1
dalvik.vm.heapstartsize=5m
dalvik.vm.heapgrowthlimit=48m
dalvik.vm.heapsize=64m
dalvik.vm.verify-bytecode=false
dalvik.vm.execution-mode=int:jit
dalvik.vm.lockprof.threshold=250
dalvik.vm.dexopt-flags=m=v,o=y
dalvik.vm.stack-trace-file=/data/anr/traces.txt
dalvik.vm.jmiopts=forcecopy