[MOD] build.prop tweaks

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fcortes626

Senior Member
Dec 23, 2011
523
240
Baldwin Park/ L.A.
i will keep updating as i play arround with diferent values. if you have any other tweaks you want to add let me know and i will add to the list.
add or edit existing lines to build.prop with text editor. you can do it with rootexplorer or copy it to the sd card and open on your computer using notepad++ or any other text editor and then push it back using abd or root explorer. these should help with performance and battery life.
*MAKE SURE YOU MAKE A NANDROID BACKUP FIRST*
Note: if you dont know what you are doing please dont try. read first and make sure you understand what you are doing and make a backup before doing any mods. i am not responsible for messing up your device but the s3 community and i may assist.

Edit Existing lines:
PHP:
dalvik.vm.heapgrowthlimit=256m

better scrolling:
PHP:
windowsmgr.max_events_per_sec=300
ro.max.fling_velocity=12000
ro.min.fling_velocity=8000

Signal and data:
PHP:
ro.ril.hsxpa=3
ro.ril.gprsclass=12


Add to the end of build.prop:

batter battery: ro.mot.eri.losalert.delay=1000 might break tethering
PHP:
ro.ril.disable.power.collapse=1
wifi.supplicant_scan_interval=100
ro.mot.eri.losalert.delay=1000

Video acceleration and hw debugging
PHP:
debug.performance.tuning=1
video.accelerate.hw=1


Better audio and video recording quality:
PHP:
ro.media.dec.jpeg.memcap=12000000
ro.media.enc.hprof.vid.bps=12000000

Better image quality:
PHP:
ro.media.enc.jpeg.quality=100

Gives better image quality when enabled(1) but lowers performance:
PHP:
persist.sys.use_dithering=0

Dalvik VM tweaks:
PHP:
dalvik.vm.startheapsize=8M
dalvik.vm.dexopt-flags=m=y
dalvik.vm.execution-mode=init:jit
ro.kernel.android.checkjni=0
ro.kernel.checkjni=0

Rings faster when dialing:
PHP:
ro.telephony.call_ring.delay=0

Phone sleeps better:
PHP:
pm.sleep_mode=1

disables android debugging notification:
PHP:
persist.adb.notify=0

Frees up more ram when needed
PHP:
persist.sys.purgeable_assets=1

faster streaming:
PHP:
media.stagefright.enable-meta=true
media.stagefright.enable-record=false

disables waking up with volume rocker:
PHP:
ro.config.hwfeature_wakeupkey=0

signal and data tweaks:
PHP:
ro.ril.hep=1
ro.mot.eri.losalert.delay=1000
ro.ril.enable.dtm=1
ro.ril.hsxpa=2
ro.ril.gprsclass=12
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
UPDATE 6/27 (should give better net speeds than the previous values):
PHP:
net.tcp.buffersize.default=6144,87380,1048576,6144,87380,524288
net.tcp.buffersize.wifi=524288,1048576,2097152,524288,1048576,2097152
net.tcp.buffersize.umts=6144,87380,1048576,6144,87380,524288
net.tcp.buffersize.gprs=6144,87380,1048576,6144,87380,524288
net.tcp.buffersize.edge=6144,87380,524288,6144,16384,262144
net.tcp.buffersize.hspa=6144,87380,524288,6144,16384,262144
net.tcp.buffersize.lte=524288,1048576,2097152,524288,1048576,2097152
net.tcp.buffersize.hsdpa=6144,87380,1048576,6144,87380,1048576
net.tcp.buffersize.evdo_b=6144,87380,1048576,6144,87380,1048576

Use Google DNS:
PHP:
net.ppp0.dns1=8.8.8.8
net.ppp0.dns2=8.8.4.4
net.dns1=8.8.8.8
net.dns2=8.8.4.4
No boot animation
PHP:
debug.sf.nobootanimation=1
 
Last edited:

fcortes626

Senior Member
Dec 23, 2011
523
240
Baldwin Park/ L.A.
What changes does this make?

it gives you a better benchmark score. i had snapshots but my phone is hard bricked so i cant post them. but i did get to pull the buildprop before it bricked. it gives the phone better performance and makes it run smoother. theres also some tweaks that are supposed to increase data speeds but i was still testing those. then there are some tweaks that save battery and a few that give you better picture and video quality.
 

howtomen

Senior Member
Jan 10, 2011
2,004
1,207
Brea CA
i will keep updating as i play arround with diferent values. if you have any other tweaks you want to add let me know and i will add to the list.
add or edit existing lines to build.prop with text editor. you can do it with rootexplorer or copy it to the sd card and open on your computer using notepad++ or any other text editor and then push it back using abd or root explorer. these should help with performance and battery life.

Edit Existing lines:
PHP:
dalvik.vm.heapgrowthlimit=256m
windowsmgr.max_events_per_sec=300
ro.ril.hsxpa=3
ro.ril.gprsclass=12
Add to the end of build.prop:
PHP:
rio.ril.disable.power.collapse=1
wifi.supplicant_scan_interval=100
debug.performance.tuning=1
video.accelerate.hw=1
ro.max.fling_velocity=12000
ro.min.fling_velocity=8000
ro.media.dec.jpeg.memcap=12000000
ro.media.enc.hprof.vid.bps=12000000
ro.media.enc.jpeg.quality=100
persist.sys.use_dithering=0
dalvik.vm.startheapsize-8M
dalvik.vm.dexopt-flags=m=y
dalvik.vm.execution-mode=init:jit
ro.kernel.android.checkjni=0
ro.chernel.checkjni=0
ro.telephony.call_ring.delay=0
pm.sleep_mode=1
persist.adb.notify=0
persist.sys.purgeable_assets=1
ro.mot.eri.losalert.delay=1000
media.stagefright.enable-meta=true
media.stagefright.enable-record=false
ro.config.hwfeature_wakeupkey=0
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=7
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

Some of these don't do anything and are for gb and they all require updater perm....

Sent from my HTC Desire HD using xda premium
 

mskip

Retired Senior Moderator
Mar 20, 2008
12,328
16,064
Norfolk
@ OP

Please explain what each of these mods do to the system. If you dont know what they do then how will you know whether they work on the S3 and exactly how they will affect the system.

If you dont know exactly what each mod does then please do not use other people as testers until you know how they work and if they are safe.

MArk.
 

nonmindo

Senior Member
May 29, 2008
985
158
Greater Seattle Area
DO NOT USE
video.accerlerate.hw=1

I thought I would enable this and see if it made gaming a little better on some of the games we have issues with....like an idiot i forgot to nandroid before hand, and my stock nandroid is on my external SD...i'm now stuck in a bootloop with no way out aside from odin, which on all 3 of my computers crashes with error report.... anyone have any ideas??
 

cwalker0906

Senior Member
Nov 2, 2010
1,566
514
chicago
OnePlus 9
DO NOT USE
video.accerlerate.hw=1

I thought I would enable this and see if it made gaming a little better on some of the games we have issues with....like an idiot i forgot to nandroid before hand, and my stock nandroid is on my external SD...i'm now stuck in a bootloop with no way out aside from odin, which on all 3 of my computers crashes with error report.... anyone have any ideas??

Reflash the rom your own now unless you erased it off phone....always keep a rom on phone for situations like this
 

nonmindo

Senior Member
May 29, 2008
985
158
Greater Seattle Area
Reflash the rom your own now unless you erased it off phone....always keep a rom on phone for situations like this

i normally do!! just forgot that the recovery cant read the external sd yet, and thats where all my backups are...hopefully soon, just read that they have the recovery pointing to the external sd on the international sgs3, so hopefully soon we will have it for ours.... i guess its back to the sensation till then :(
 

moshe22

Senior Member
Mar 18, 2011
1,712
197
i normally do!! just forgot that the recovery cant read the external sd yet, and thats where all my backups are...hopefully soon, just read that they have the recovery pointing to the external sd on the international sgs3, so hopefully soon we will have it for ours.... i guess its back to the sensation till then :(

Op mentioned that he bricked his phone so he is probably in the same situation as you.

This should be closed and content should be deleted from op.

Sent from my HTC Sensation 4G using xda app-developers app
 
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uoY_redruM

Senior Member
May 1, 2010
3,462
1,935
Longwood, FL
DO NOT USE
video.accerlerate.hw=1

I thought I would enable this and see if it made gaming a little better on some of the games we have issues with....like an idiot i forgot to nandroid before hand, and my stock nandroid is on my external SD...i'm now stuck in a bootloop with no way out aside from odin, which on all 3 of my computers crashes with error report.... anyone have any ideas??

It had no effect on my phone with that line......booted up fine and is working just fine..
 

fcortes626

Senior Member
Dec 23, 2011
523
240
Baldwin Park/ L.A.
@ OP

Please explain what each of these mods do to the system. If you dont know what they do then how will you know whether they work on the S3 and exactly how they will affect the system.

If you dont know exactly what each mod does then please do not use other people as testers until you know how they work and if they are safe.

MArk.

i am not using people as testers. i applied these to my s3 and it worked fine. you can delete the thread if you like. i dont mind. people here havent been helpful at all so from now on anything i find i will keep to my self and will not share anymore. i guess thats what i get for trying to be helpfull can a mod please delete this thread? thanks.
 

Paras Lehana

Senior Member
Mar 6, 2012
545
193
25
Noida
i am not using people as testers. i applied these to my s3 and it worked fine. you can delete the thread if you like. i dont mind. people here havent been helpful at all so from now on anything i find i will keep to my self and will not share anymore. i guess thats what i get for trying to be helpfull can a mod please delete this thread? thanks.

He has not done anything wrong by sharing that.
Ask him for the result of any of the mods rather than giving your crap conclusions and advices.

Few years back, only these types of sharing led to formation of THE XDA!

Sent from my GT-I9100 using Tapatalk 2
 

kscasper13

Senior Member
Oct 30, 2007
257
96
Fort Lauderdale, FL
yea and did you read why i got hard bricked? it had nothing to do with the build.prop. you need to read some more. and no one is forcing you to use the tweaks.:p

i read and understand everything in your thread, it's just a hilarious thread that's all. Mark had a good point ; anything you post in these forums should have an explanation of what they do so that users can understand what they are doing. your thread just has "here, flash this", "oh yea, and btw, my phone is bricked" i know it had nothing to do with what you're are posting, but if you had an explanation of the changes to the build.prop, then you wouldn't have @ssh0les like me give you a hard time about it.
 

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  • 135
    i will keep updating as i play arround with diferent values. if you have any other tweaks you want to add let me know and i will add to the list.
    add or edit existing lines to build.prop with text editor. you can do it with rootexplorer or copy it to the sd card and open on your computer using notepad++ or any other text editor and then push it back using abd or root explorer. these should help with performance and battery life.
    *MAKE SURE YOU MAKE A NANDROID BACKUP FIRST*
    Note: if you dont know what you are doing please dont try. read first and make sure you understand what you are doing and make a backup before doing any mods. i am not responsible for messing up your device but the s3 community and i may assist.

    Edit Existing lines:
    PHP:
    dalvik.vm.heapgrowthlimit=256m

    better scrolling:
    PHP:
    windowsmgr.max_events_per_sec=300
    ro.max.fling_velocity=12000
    ro.min.fling_velocity=8000

    Signal and data:
    PHP:
    ro.ril.hsxpa=3
    ro.ril.gprsclass=12


    Add to the end of build.prop:

    batter battery: ro.mot.eri.losalert.delay=1000 might break tethering
    PHP:
    ro.ril.disable.power.collapse=1
    wifi.supplicant_scan_interval=100
    ro.mot.eri.losalert.delay=1000

    Video acceleration and hw debugging
    PHP:
    debug.performance.tuning=1
    video.accelerate.hw=1


    Better audio and video recording quality:
    PHP:
    ro.media.dec.jpeg.memcap=12000000
    ro.media.enc.hprof.vid.bps=12000000

    Better image quality:
    PHP:
    ro.media.enc.jpeg.quality=100

    Gives better image quality when enabled(1) but lowers performance:
    PHP:
    persist.sys.use_dithering=0

    Dalvik VM tweaks:
    PHP:
    dalvik.vm.startheapsize=8M
    dalvik.vm.dexopt-flags=m=y
    dalvik.vm.execution-mode=init:jit
    ro.kernel.android.checkjni=0
    ro.kernel.checkjni=0

    Rings faster when dialing:
    PHP:
    ro.telephony.call_ring.delay=0

    Phone sleeps better:
    PHP:
    pm.sleep_mode=1

    disables android debugging notification:
    PHP:
    persist.adb.notify=0

    Frees up more ram when needed
    PHP:
    persist.sys.purgeable_assets=1

    faster streaming:
    PHP:
    media.stagefright.enable-meta=true
    media.stagefright.enable-record=false

    disables waking up with volume rocker:
    PHP:
    ro.config.hwfeature_wakeupkey=0

    signal and data tweaks:
    PHP:
    ro.ril.hep=1
    ro.mot.eri.losalert.delay=1000
    ro.ril.enable.dtm=1
    ro.ril.hsxpa=2
    ro.ril.gprsclass=12
    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
    UPDATE 6/27 (should give better net speeds than the previous values):
    PHP:
    net.tcp.buffersize.default=6144,87380,1048576,6144,87380,524288
    net.tcp.buffersize.wifi=524288,1048576,2097152,524288,1048576,2097152
    net.tcp.buffersize.umts=6144,87380,1048576,6144,87380,524288
    net.tcp.buffersize.gprs=6144,87380,1048576,6144,87380,524288
    net.tcp.buffersize.edge=6144,87380,524288,6144,16384,262144
    net.tcp.buffersize.hspa=6144,87380,524288,6144,16384,262144
    net.tcp.buffersize.lte=524288,1048576,2097152,524288,1048576,2097152
    net.tcp.buffersize.hsdpa=6144,87380,1048576,6144,87380,1048576
    net.tcp.buffersize.evdo_b=6144,87380,1048576,6144,87380,1048576

    Use Google DNS:
    PHP:
    net.ppp0.dns1=8.8.8.8
    net.ppp0.dns2=8.8.4.4
    net.dns1=8.8.8.8
    net.dns2=8.8.4.4
    No boot animation
    PHP:
    debug.sf.nobootanimation=1
    12
    wait what?!? first post, is build.prop modifications

    your second post you say your phone is hard-bricked? yea i'll get right on applying your mods:silly:
    10
    @ OP

    Please explain what each of these mods do to the system. If you dont know what they do then how will you know whether they work on the S3 and exactly how they will affect the system.

    If you dont know exactly what each mod does then please do not use other people as testers until you know how they work and if they are safe.

    MArk.
    8
    What changes does this make?

    it gives you a better benchmark score. i had snapshots but my phone is hard bricked so i cant post them. but i did get to pull the buildprop before it bricked. it gives the phone better performance and makes it run smoother. theres also some tweaks that are supposed to increase data speeds but i was still testing those. then there are some tweaks that save battery and a few that give you better picture and video quality.
    4
    i am not using people as testers. i applied these to my s3 and it worked fine. you can delete the thread if you like. i dont mind. people here havent been helpful at all so from now on anything i find i will keep to my self and will not share anymore. i guess thats what i get for trying to be helpfull can a mod please delete this thread? thanks.

    He has not done anything wrong by sharing that.
    Ask him for the result of any of the mods rather than giving your crap conclusions and advices.

    Few years back, only these types of sharing led to formation of THE XDA!

    Sent from my GT-I9100 using Tapatalk 2
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