[Samsung Galaxy Fit GT 5670] varun.katoch:
ALL CREDIT GOES TO Master&Slave™ ON THE SAMSUNG VIBRANT BOARD!!

SOME OF THE TWEAKS HAVE ARE ALREADY THERE IN SOME CUSTOM ROMS BY OUR DEVS

READ FIRST

**If these lines already exist in your build.prop, then you can just edit the values. If not then Just add the lines. After making the tweaks always remember to reboot twice..!!!**

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Normal Method Done Via Root Explorer

1, Open "Root Explorer" and mount R/W.

2, Go to "system" and you will find there is a file name "build.prop".

3, Right click (By holding at the file) and there is menu pop out.

4, Scroll down and select edit in Text Editor.

5, Type in those few line of words below into the last line of the text then save.

6. Reboot twice !!

NOTEPAD++ RECOMMENDED FOR EDITING BUILD.PROP

Data Tweaks

ro.ril.hsxpa=3

ro.ril.gprsclass=12

ro.ril.hep=1

ro.ril.enable.dtm=1

ro.ril.hsdpa.category=28

ro.ril.enable.a53=1

ro.ril.enable.3g.prefix=1

ro.ril.htcmaskw1.bitmask=4294967295

ro.ril.htcmaskw1=14449

ro.ril.hsupa.category=9

Powersave Tweaks

ro.ril.disable.power.collapse=1

pm.sleep_mode=1--------NEW

wifi.supplicant_scan_interval=150

UI Tweaks

windowsmgr.max_events_per_sec=150

debug.sf.hw=1

video.accelerate.hw=1------NEW

Media Tweaks

ro.media.enc.jpeg.quality=100

ro.media.dec.jpeg.memcap=8000000

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

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

Boot Tweaks

Disable boot animation for faster boot

debug.sf.nobootanimation=1

persist.sys.shutdown.mode=hibernate----NEW

^^Makes phone boot rapidly fast.

Miscellaneous Tweaks

Change the Dalvik VM heap size

dalvik.vm.heapsize=72m

To enable the hard key lights to stay on while the screen is on and not timeout

ro.mot.buttonlight.timeout=0

Try disabling BLN if your having trouble getting this to work

To make the phone come off of the "black screen" in the middle of, or the end of phone calls when you pull the phone away from your face

mot.proximity.delay=150

**May kill the dialer**

To disable usb debugging popup

persist.adb.notify=0

To give your phone an HD effect fitting a little more on the screen, look for this in you current build.prop and change the 110 OR 100 to:

ro.sf.lcd_density=X (100 or 110)

I RECOMMEND 110

To enable the menu button too unlock the phone

ro.config.hw_menu_unlockscreen=true

To stop the phone from waking up when pressing the volume key

ro.config.hwfeature_wakeupkey=0

To make the phone ring faster when dialing out

ro.telephony.call_ring.delay=800

Force launcher into memory

ro.HOME_APP_ADJ=1

Increase overall touch responsiveness

debug.performance.tuning=1

video.accelerate.hw=1

Net speed tweaks

net.tcp.buffersize.default=4096,87380,256960,4096,16384,256960

net.tcp.buffersize.wifi=4096,87380,256960,4096,16384,256960

net.tcp.buffersize.umts=4096,87380,256960,4096,16384,256960

net.tcp.buffersize.gprs=4096,87380,256960,4096,16384,256960

net.tcp.buffersize.edge=4096,87380,256960,4096,16384,256960

Fix some application issues

ro.kernel.android.checkjni=0

Enjoy PEOPLE!!!