[HACK][3G][GSM]: Faster cellular data speed

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vkass

Senior Member
Jan 8, 2011
604
196
OnePlus 6
knives809 said:
Yes. I agree.
I also noticed that the PING significantly improved.
Mine improved also by 50 percent.

One thing i also noticed is that this method works best on stock roms.
My first system (stock ICS) managed to double the download speed and my PING. But my second system (fts ICS) only managed to improve the PING but with the same download speed.

Can anyone confirm this?

Sent from my XT910 using xda premium
Click to expand...
Click to collapse

I'm on Epsilon and it worked.
 
S

Sharp-Razr

Senior Member
Jan 14, 2012
904
198
No changes to ping or upload/download speeds - I'm on Vodafone India

EDIT - screenshot uploaded.
 

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R

redankaiahu

Member
Sep 30, 2011
39
2
There is no file on system/etc/ppp . Can anybody know it is applicable for moto firext 530.

Sent from my XT531 using xda app-developers app
 
bahathir

bahathir

Senior Member
Feb 14, 2010
301
161
55
Great to see some positive results from this hack/tweak. :)
To get better benchmark result...
1) Signal strength: THe higher the signal, the better link quality -> better speed
2) Do the test during late night or very early morning, where the network congestion is lesser. I got the best result duing 3 am in my country :)
3) Change test server until you get the best result. The nearest test server doesn't mean the the fastest :)

As I mentioned earlier, not every telco/providers are enabling the VJ compression (CSLIP) at their backend, so, the tweak is not effective.

This tweak may be applicable to other model which using pppd. Just find pppd*.options in /system/etc/ppp/peers/ or /system/etc/ppp/options
Feel free to ask other forums' devs to look at this twak. :) If you do so, please make a reference to this thread. :)

Thank you.

References.
http://en.wikipedia.org/wiki/Van_Jacobson_TCP/IP_Header_Compression
$ man pppd
 
Last edited:
N

no_cannabis

Senior Member
Jun 6, 2009
121
23
Toronto
Works on Rogers, Canada

Holy crap! It worked! Won't improve my upload, by download gets %25 percent increase.
Measured from the same spot (marked it on my desk) and same server that's within 50km away. Measurements taken with speedtest.com app:
Ping Download Upload
181ms 1.77Mbs 0.95Mbs - before
189ms 2.39Mbs 1.03Mbs - after
The result is reproducible, with minor deviations.

Thank you!
 
Winb33

Winb33

Senior Member
Dec 1, 2010
1,279
1,849
French West Coast
Yeahh Looks like working on FreeMobile Network (French Provider) using Orange Roaming
Approx 25% better on same measure !

Will make more test later !

Great enhancement, thanks ! :good:

Update : Bing ! Today Download 7178kb/s / 2408kb/s upload !

Excellent !
 
Last edited:
reaperzero

reaperzero

Senior Member
Oct 4, 2010
582
63
Penang Island
tried on digi network. seems to be working. usually when im at ipoh my data speeds suck ass. but today its been relatively good

Sent from my XT910 using xda premium
 
spiritfire

spiritfire

Member
Jan 17, 2012
29
2
It doesn't work for me. It increases ping, but it reduces my up & down speed.

<<< before mod

<<< after mod

PS. I used Epsilon V4 rom. Operation: AIS Thailand.
 
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  • 55
    bahathir
    bahathir
    Disclaimer:
    1) This is for developers and advanced users who know what to do.
    2) Do it at your own risk. I am not responsible to any problem due to this modification/hacking.
    3) I am not showing how to change/edit the file.


    3 days ago, I did a change in /system/etc/ppp/peers/pppd-ril.options.

    This is the orignal content of the file.
    Code: 
    nodetach
debug
noauth
defaultroute
usepeerdns
connect-delay 1000
# Don't remove the user/password lines.  They are required to make PPPD authenticate itself with
# the BP when doing Simple IP (SIP).  The BP will replace the user/password strings with the correct
# values when authenticating to the network-side PPP peer.
user NotUsed@nobody.com
password NotUsed
crtscts
lcp-echo-failure 0
lcp-echo-interval 0
ipcp-max-configure 30
ipcp-max-failure 30
ipcp-max-terminate 10
novj
linkname ril

    Just by commenting or remove line 18,
    Code: 
    # novj

    we may able to get better 3G network speed. The change may enable the Van Jacobson style TCP/IP header compression. Your cellular network may or may not support this feature. My 3G cellular network (Celcom Malaysia, HSDPA 3.6Mbps) seem to be supporting this feature.

    Before the change, I got (down/up) 3.4/0.5 Mbps, but, after the change, the result is quite impressive as we can see in the screenshot. Sometime, I got about 2x of download speed when download podcasts MP3s, from 400 kBps to upto 800 kBps.


    Mbps : Mega bit per second
    kBps : kilo BYTE per second

    Anyone who tried this hack/mod either for 3G or 4G, please report your before and after results. :)
    Remember to reboot after changes :)

    Thank you

    Reference:
    $ man pppd

    Screenshot_2012-07-28-03-33-46.jpg



    Update: 2013-06-04

    If your device does not have the file, you can try the hack which I posted in post number 100.

    http://xdaforums.com/showpost.php?p=42185612&postcount=100

    As ussual, please report your findings. Remember to put your device name, U/D speed before and after the hack. :)
    View
    35
    bahathir
    bahathir
    Hi, everyone.

    My RAZR XT910's panel cracked several months ago, and I don;t have platform to test further.

    Now, for temporary, I am using Samsung Galaxy S (GT-I9000, 2.3.6 GB Stock, rooted using Framaroot). Just now, I add an options file into /system/etc/ppp directory. I attached file in this post. Feel free to try. :)

    1) Attention, if your device NOT has /system/etc/ppp/options, you can put the attaxhed file into the directory /system/etc/ppp


    2) If you have the options file, Back it up first.
    3) Remove any novj nobsd .... options int the file.
    4) Append .or insert the contents of the attached file into the existing options file.


    Again, I tried this hack on Samsung Galaxy S. and I achived the similar effect :)

    Good Luck, and don't cry over here if you failed. :) You should know how to backup and restore from backup at the first place.


    I also like to thanks to everyone who tried and gave feedbacks.

    Please share this hack with others, especiallay the ROM developers, and remember to link back to this thread.

    Thank you.

    Updates:
    I attached screen capture of the Speed Test's results from Samsung Galaxy S (GT-I9000).
    We can see the data link speed improvements.
    There were mixed results, due to several factors.
    474085999.png
    View
    1
    V
    vkass
    Didn't work for me.
    Guess it wont work if the operator is limiting the speed.
    Edit:
    Changed speed test server and it does work.
    Speed got x2 better than the fastest I ever got.
    View
    1
    pedrotorresfilho
    pedrotorresfilho
    Doesn't work to me either.

    Cheers
    View
    1
    samrat_castle
    samrat_castle
    [QUOTthe ahathir;42185612]Hi, everyone.

    My RAZR XT910's panel cracked several months ago, and I don;t have platform to test further.

    Now, for temporary, I am using Samsung Galaxy S (GT-I9000, 2.3.6 GB Stock, rooted using Framaroot). Just now, I add an options file into /system/etc/ppp directory. I attached file in this post. Feel free to try. :)

    1) Attention, if your device NOT has /system/etc/ppp/options, you can put the attaxhed file into the directory /system/etc/ppp


    2) If you have the options file, Back it up first.
    3) Remove any novj nobsd .... options int the file.
    4) Append .or insert the contents of the attached file into the existing options file.


    Again, I tried this hack on Samsung Galaxy S. and I achived the similar effect :)

    Good Luck, and don't cry over here if you failed. :) You should know how to backup and restore from backup at the first place.


    I also like to thanks to everyone who tried and gave feedbacks.

    Please share this hack with others, especiallay the ROM developers, and remember to link back to this thread.

    Thank you.

    Updates:
    I attached screen capture of the Speed Test's results from Samsung Galaxy S (GT-I9000).
    We can see the data link speed improvements.
    There were mixed results, due to several factors.
    474085999.png
    [/QUOTE]

    Does the phone need to restarted after adding this file to the folder?
    View

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