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garry1313

[3G][GSM]: Faster Cellular Data Speed

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This development done by a dev bahathir @ XDA is awesome. My d/l speed just doubled by doing this. Following is the development posted on XDA.

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. smile.gif

Remember to reboot after changes smile.gif

Thank you

Reference:

$ man pppd

Original Thread Link : http://forum.xda-dev...d.php?t=1800351

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