garry1313 7 Report post Posted August 12, 2012 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. Remember to reboot after changes Thank you Reference: $ man pppd Original Thread Link : http://forum.xda-dev...d.php?t=1800351 Share this post Link to post Share on other sites
