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Love this idea. Happy to contribute. Sent from my SM-G930T using Tapatalk

Fwiw...looks like mostly working now. Haven't had any VoLTE problems today. Sent from my Nexus 6 using Tapatalk

As a user...TMOs band 12 coverage is not yet on par with HSPA. LTE handoffs to hspa are seamless though, and data during voice isn't a problem. Sprint 1x coverage is still more reliable indoors than TMO. Sent from my Nexus 6 using Tapatalk

The VoLTE may not help coverage... But the whole data while on a call thing... Sent from my Nexus 6 using Tapatalk

I hope this is true! For now, I'm stuck with crappy service in Penn station, and random drops to 3g for no good reason that don't come back without a toggle. And please...we need VoLTE... Sent from my Nexus 6 using Tapatalk

Besides speed, B41 still isn't built out well in the suburbs. In my area of suburban NJ, I can pick up B41 in some town centers, outdoors. Once I go on to residential streets, I drop to band 25 or 26. That's OK... Until they get congested and I find my phone hanging out on 3G... I am very happy with the fact that Sprint will almost always allow me to make a phone call wherever I am in the NYC area. I'm just waiting for densification... Sent from my Nexus 6 using Tapatalk

Urgh. Not sure. I will have to repeat the experiment. Sent from my Nexus 6 using Tapatalk

As another data point...I updated my PRL yesterday morning. I then dropped off my daughter's school bag at our local school in central NJ. Normally, the school is a dead zone for both Sprint and T-Mo (I have Project Fi). In the school office, I looked down and realized I was on 3G...a quick check of SCP revealed I was on Verizon. By the time I got back to my car outside, I was back on native Sprint coverage.

Slightly ot here but when you roam on viaero do you get data, or voice and text only? Sent from my Nexus 6 using Tapatalk

Got it now. Thank you. Sent from my Nexus 6 using Tapatalk

I'm new to Fi so I did not know this. That's bloody awesome. Pretty sure that's not true for the TMO side of the house. Sent from my Nexus 6 using Tapatalk

Nexus 6 here on 55051. Using Google project Fi. Sent from my Nexus 6 using Tapatalk

Interestingly... 55051 on my Google Fi Nexus 6. Does that mean we roam the same places as Sprint postpaid? Sent from my Nexus 6 using Tapatalk

OK. I'm clearly getting this wrong, but I'm not sure where. You need more reading like a hole in the head I'm sure, but here is the passage I was looking at: "Coverage benefits LTE coverage in the macro cells is uplink limited because of the lower terminal output power (200 mW) compared to the typical base station power of several tens of watts. The minimum threshold for LTE is typically Reference Signal Received Power (RSRP) of -120 dBm before handing over the connection to the 3G network. The minimum threshold is limited by the uplink coverage, while the coverage could be even wider if we consider only the downlink direction. Carrier aggregation can enhance the coverage by using the low band for the uplink connection while the downlink can still be received by the device, both on the low band and on the high band. The high band connection could not be used without carrier aggregation. The outcome is that carrier aggregation can enhance the downlink coverage of the high band. Field measurements indicate that the high band Scell can contribute to the throughput at lower signal levels down to -130 dBm. Those devices that are closer to the base station can also use LTE1800 as the primary cell and uplink transmission." Full paper can be found at http://networks.nokia.com/sites/default/files/document/nokia_carrier_aggregation_white_paper.pdf Sent from my Nexus 6 using Tapatalk

I am a bit surprised to hear this. I was reading a Nokia white paper on CA yesterday, and it specifically said that one benefit of CA is the ability to use lower frequency bands on the uplink, where transmit power is an issue, while using higher frequency bands at greater distances for downlink. I understand that b41 wouldn't be exclusively downlink, for example, but sure Sprint would look to use CA to improve coverage reliability? Sent from my Nexus 6 using Tapatalk