Originally Posted by leaderbuilder
? Try the latest modern, nae. Update your prl and profile after flashing it.
Sent from my SPH-L720 using XDA Premium 4 mobile app
I realized that flashing different modems is a waste of time a long time ago, back when I had my Evo and S2. It doesn't do anything significant regarding network speeds or signal strength (that can't be attributed to network load or latency). Anything you do to your device will not fix Sprint's crappy network. While I have seen speeds similar to what you posted (and better), I average less than 10 Mbps on LTE, and that is assuming I get LTE in the first place. This has not changed through the various baseband updates that my phone received.
For the record, I am on NAE, and have been trying to get 4G in parts of downtown Manhattan since I got my device a year ago. Still waiting. If not for unlimited data, I would have dumped sprint years ago. My GF has the same phone on AT&T, and gets LTE practically everywhere. There are places that she has LTE where my phone struggles with 3G.