[Samsung Galaxy Core.] dip6691:
:angel:Make Sure You have to Backup First:angel:

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1. Fast Reboot

persist.sys.purgeable_assets=1

1.1 Faster boot.

ro.config.hw_quickpoweron=true

2. Increasing The Video Recording Quality

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

3. Screen Rotate To 270 degree

windowsmgr.support_rotation_270=true;

4. Increase VM Heap Size(resolve some fc's)

dalvik.vm.heapsize=64m

5. Render UI With GPU

debug.sf.hw=1

6. Increasing It Will Make Mobile Smoother

windowsmgr.max_events_per_sec=150

7. Video Acceleration Enabled And HW debugging. debug.composition.type can also be changed to cpu or mdp.

video.accelerate.hw=1

debug.sf.hw=1

debug.performance.tuning=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

8. Increase Performance

debug.performance.tuning=1

9. Disable Sending Usage Data

ro.config.nocheckin=1

10. Deeper Sleep/Better battery life

ro.ril.disable.power.collapse=1

pm.sleep_mode=1

11. Ringing Will Start Immediately

ro.telephony.call_ring.delay=0

ring.delay=0

12. Disable Error Checking

ro.kernel.android.checkjni=0

13. Increase Quality Of Media 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=false

14. Disable BootAnimation

debug.sf.nobootanimation=1

16. Force To Remain Launcher In Memory

ro.HOME_APP_ADJ=1

17. Disable Waking Up Of Phone By Volume Buttons

ro.config.hwfeature_wakeupkey=0

18. Off The Proximity Quiclky After Call

mot.proximity.delay=25

ro.lge.proximity.delay=25

19. Better Signal Tweaks

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

persist.cust.tel.eons=1

ro.config.hw_fast_dormancy=1

20. NetSpeed Tweaks

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

21. 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

22. Photo And Video 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

23. Touch Responsiveness

debug.performance.tuning=1

video.accelerate.hw=1

24. Scrolling Responsiveness

windowsmgr.max_events_per_sec=500

25. Power Save Tweaks

pm.sleep_mode=1

ro.ril.power_collapse=1

wifi.supplicant_scan_interval=180

ro.mot.eri.losalert.delay=1000 could brake tethering

26. Disables Debug Icon On Status Bar

persist.adb.notify=0

27. Faster Better Scrolling

ro.max.fling_velocity=12000

ro.min.fling_velocity=8000

windowsmgr.max_events_per_sec=150

ro.min_pointer_dur=8

28. wifi to scan less frequently

wifi.supplicant_scan_interval=180

29. improve battery under no signal

ro.mot.eri.losalert.delay=1000

30. makes apps load faster and frees more ram. (Edit exsisting line)

dalvik.vm.dexopt-flags=m=v,o=y

31. Off The Proximity Quickly After Call

ro.lge.proximity.delay=25

mot.proximity.delay=25

32. Disables built in error reporting.

profiler.force_disable_err_rpt=1

profiler.force_disable_ulog=1

33. 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

34. Disables logcat

logcat.live=disable

35. Screen recognizes only two fingers.

ro.product.multi_touch_enabled=true

ro.product.max_num_touch=2

36. Support for ipv4 and ipv6.

persist.telephony.support.ipv6=1

persist.telephony.support.ipv4=1

37. Disables blackscreen issue after a call.

ro.lge.proximity.delay=25

mot.proximity.delay=25

38. Better call voice quality.

ro.ril.enable.amr.wideband=1

39. 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

40. Disable notification while adb is active

persist.adb.notify=0

41. Change LCD density

- Default value is 240. Don't forget to install a patched market after changing it.

ro.sf.lcd.density=240

42. 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

43. Key lights stay on while screen is on.

ro.mot.buttonlight.timeout=0

44. Disable strict mode checking.

persist.android.strictmode=0

45. Remove FPS cap. May be unstable - better have it activated

debug.gr.swapinterval=0

47. Disable notification sound for SD storage insert

persist.service.mount.playsnd=0

48. Enable display dithering

persist.sys.use_dithering=1

49. More volume steps in call.

ro.config.vc_call_steps=20

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

ro.config.hwfeature_wakeupkey=0

51. Lock app in memory.

sys.keep_app_1=com.your.app.app

52. Enables MTP mode.

persist.sys.usb.config=mtp

53.Liquid Smooth Ui

persist.service.lgospd.enable=0

persist.service.pcsync.enable=0

54. Qualcomm tweaks

com.qc.hardware=1

debug.qc.hardware=true

debug.qctwa.preservebuf=1

debug.qctwa.statusbar=1

55. Wireless Tweaks

net.ipv4.ip_no_pmtu_disc=0

net.ipv4.route.flush=1

net.ipv4.tcp_ecn=0

net.ipv4.tcp_fack=1

net.ipv4.tcp_mem=187000 187000 187000

net.ipv4.tcp_moderate_rcvbuf=1

net.ipv4.tcp_no_metrics_save=1

net.ipv4.tcp_rfc1337=1

net.ipv4.tcp_rmem=4096 39000 187000

net.ipv4.tcp_sack=1

net.ipv4.tcp_timestamps=1

net.ipv4.tcp_window_scaling=1

net.ipv4.tcp_wmem=4096 39000 18700

wifi.supplicant_scan_interval=180

Change android name and version

ro.build.display.id=Your ROM name

ro.build.version.release=4.4.2 (Android version number)

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