Android tweak – build.prop

1. Locks default launcher app in memory. Only use with light launchers

ro.HOME_APP_ADJ=1

2. Improves audio and video recording quality

ro.media.enc.jpeg.quality=100
ro.media.dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=8000000
ro.media.capture.maxres=8m
ro.media.panorama.defres=3264x1840
ro.media.panorama.frameres=1280x720
ro.camcorder.videoModes=true
ro.media.enc.hprof.vid.fps=65

3. Faster streaming videos

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=false

4. Video acceleration and HW debugging. debug.composition.type can also be changed to cpu or mdp.

debug.sf.hw=1
debug.performance.tuning=1
video.accelerate.hw=1
debug.egl.profiler=1 # Measure rendering time in adb shell dumpsys gfxinfo
debug.egl.hw=1
debug.composition.type=gpu # Disable hardware overlays and use GPU for screen compositing

5. Disables built in error reporting.

profiler.force_disable_err_rpt=1
profiler.force_disable_ulog=1

6. Better net 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

7. Saves power. ro.mot.eri.losalert.delay=1000 could brake tethering.

ro.ril.power_collapse=1
pm.sleep_mode=1
wifi.supplicant_scan_interval=180
ro.mot.eri.losalert.delay=1000

8. 3G tweaks.

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

9. Disables logcat

logcat.live=disable

10. Screen recognizes only two fingers.

ro.product.multi_touch_enabled=true
ro.product.max_num_touch=2

11. Support for ipv4 and ipv6.

persist.telephony.support.ipv6=1
persist.telephony.support.ipv4=1

12. Phone rings immediately.

ro.telephony.call_ring.delay=0
ring.delay=0

13. Disables blackscreen issue after a call.

ro.lge.proximity.delay=25
mot.proximity.delay=25

14. Better scrolling.

windowsmgr.max_events_per_sec=150
ro.min_pointer_dur=8
ro.max.fling_velocity=12000
ro.min.fling_velocity=8000

15. Better signal.

persist.cust.tel.eons=1

16. Better call voice quality.

ro.ril.enable.amr.wideband=1

17. Better signal.

ro.config.hw_fast_dormancy=1

18. Faster boot.

ro.config.hw_quickpoweron=true

19. Disables error checking.

ro.kernel.android.checkjni=0
ro.kernel.checkjni=0

20. Dalvik Virtual Machine tweaks.

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

21. Disables locating. Also delete /system/app/networklocation.apk and /system/framework/com.android.location.provider.jar

ro.com.google.locationfeatures=0
ro.com.google.networklocation=0

22. Disables sending of usage data.

ro.config.nocheckin=1

23. Better image quality, lower performance.

persist.sys.use_dithering=1

24. Disable notification while adb is active

persist.adb.notify=0

25. Change LCD density – My Favorite

- Default value is 240. Don't forget to install a patched market after changing it.
ro.sf.lcd.density=240

26. MMS APN retry timer set to 2 sec( if SMS/MMS couldn`t be sent, it retries after 2 instead of 5 seconds).

ro.gsm.2nd_data_retry_config=max/_retries=3, 2000, 2000, 2000

27. Key lights stay on while screen is on.

ro.mot.buttonlight.timeout=0

28. Disable strict mode checking.

persist.android.strictmode=0

29. Remove FPS cap. May be unstable – better have it activated

debug.gr.swapinterval=0

30. Disable notification sound for SD storage insert

persist.service.mount.playsnd=0

31. Enable display dithering

persist.sys.use_dithering=1

32. More volume steps in call.

ro.config.vc_call_steps=20

33. Phone will not wake up from hitting volume rocker.

ro.config.hwfeature_wakeupkey=0

34. Lock app in memory.

sys.keep_app_1=com.your.app.app

35. Enables MTP mode.

persist.sys.usb.config=mtp

36. Others

persist.sys.shutdown.mode=hibernate
debug.kill_allocating_task=0
persist.sys.ui.hw=1
ro.debuggable=1
ro.config.disable.hw_accel=false
debug.enabletr=true

37. Google DNS Tweak

net.rmnet0.dns1=8.8.8.8
net.rmnet0.dns2=8.8.4.4
net.dns1=8.8.8.8
net.dns2=8.8.4.4

38. Allow purging of assets. (Got from GamerzROM, memory management)

persist.sys.purgeable_assets=1

More coming soon…