uso estos, para mejorar todo en general
wlan.wfd.hdcp=disable
ro.ril.enable.amr.wideband=1
ro.ril.fast.dormancy.rule=0
ro.ril.hsxpa=2
ro.ril.gprsclass=10
ro.ril.hep=1
ro.ril.enable.dtm=1
ro.ril.hsdpa.category=10
ro.ril.enable.a53=1
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=14449
ro.ril.hsupa.category=5
wifi.supplicant_scan_interval=600
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
ro.media.dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=8000000
ro.telephony.call_ring.delay=0
ro.media.enc.jpeg.quality=100
ro.kernel.android.checkjni=0
ro.kernel.checkjni=0
ro.HOME_APP_ADJ=1
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
persist.sys.purgeable_assets=1
media.stagefright.enable-player=true
media.stagefright.enable-meta=true
media.stagefright.enable-scan=false
media.stagefright.enable-http=true
debug.sf.hw=1
video.accelerate.hw=1
debug.performance.tuning=1
ro.mot.eri.losalert.delay=1000