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

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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.

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,

# 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

Originally Posted by bahathir

Disclaimer:
1) This is for developers and advanced users who know what to do.
2) Do is 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.

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,

# 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 (donw/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.


Thank you

Reference:
$ man pppd

Attachment 1226025

I'll give this a go when I get home. I will post back after testing.

Sent using xda premium

Thanks for the files!

congratulations for posting...
excelent informations and files...

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.

Doesn't work to me either.

Cheers

Is this GSM only? I thought CDMA was limited to 2.8mbs, and LTE, well its just ridiculous the speeds you can get from it allready, I got 34mbs as a top, and average 24 ish. Up and down are so close sometimes too.

Worked for me..
Doubled my 3G speed..
Network provider is Virgin Australia.

It didn't work for me either. It seems like this must be for GSM only.

Sent from my Droid Razr using Tapatalk 2

Thanks, works on Telkomsel here in Jakarta. Download speed doubled :thumbup:

Sent from my XT910 using xda premium