HOW TO INCREASE ANDRIOD 3G SPEED

Make sure ya phone is rooted and yhu have Root Explorer Then locate Build.prop via root system folder amd paste this at the bottom (Footer)
Save And Reboot

this Should Help

ro.ril.hsxpa=2
ro.ril.gprsclass=10
ro.ril.hsdpa.category=10
ro.ril.hsupa.category=5
ro.ril.enable.a53=1
ro.ril.enable.3g.prefix=1
ro.ril.hep=1
ro.ril.enable.dtm=1
ro.rill.enable.a53=1
net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960
net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.hspa=6144,87380,524288,6144,163 84,262144
net.tcp.buffersize.lte=524288,1048576,2097152,5242 88,1048576,2097152
net.tcp.buffersize.hsdpa=6144,87380,1048576,6144,8 7380,1048576
net.tcp.buffersize.evdo_b=6144,87380,1048576,6144, 87380,1048576
windowsmgr.max_events_per_sec=90
ro.max.fling_velocity=15000
ro.min.fling_velocity=8000
touch.pressure.scale=0.1