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CriticalityEvent

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About CriticalityEvent

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  • Phones/Devices
    EVO 4G LTE
  • Gender
    Male
  • Location
    Chicago
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    4G Information
  1. If I didn’t know anything about the RRPP, it would almost seem like requiring phones that connect to bands 2, 4, and 12 (in addition to the current bands) make it sound like Sprint is really banking on a merger with T-Mobile.
  2. "...turn the treble all the way down and put the bass all the way up..." Sent from my 831C using Tapatalk
  3. I'm not sure if anyone here would recommend a service that you would only be roaming on... You wouldn't get any kind of appreciable speeds without Wi-Fi around and Sprint would drop you if you keep exceeding the roaming limit (200MB/month, I think). Sent from my HTC One using Tapatalk
  4. This came about from someone’s post over on XDA and my response to it (link) in which I promised to check its accuracy with the gurus here. Basically, the poster interpreted the lack of SVDO/SVLTE on the Sprint HTC One M8 as an “oversight,” and I respectfully disagreed, but it raised a few questions that I haven’t been able to answer. 1.) Will Sprint be transmitting LTE on more bands nationwide than the other carriers? 2.) If the answer to question 1 is “yes,” then does tri-band LTE come at the cost of SVLTE because Sprint tri-band phones will be switching between bands more frequently so the network can distribute the load? Here’s my rationale: 1.) Knowing that NV rollout is nationwide, and knowing that the end-goal is to have 2600 and 1900 MHz on all towers as well as 800 MHz LTE on 80% of the towers, it’s safe to say that Sprint will have tri-band LTE across the country. From what I understand, AT&T, T-Mobile, and Verizon might only have 1 or 2 bands per market (maybe more in certain places for AT&T/T-Mobile): Sources: List of LTE networks - Wikipedia AT&T Mobility - Wikipedia Sprint - Wikipedia Verizon - Wikipedia T-Mobile USA - Wikipedia 2.) Since the other carriers have fewer bands in a given region, the phones will be switching between them less, leaving extra room (for lack of a better word) for SVLTE on certain devices. Since we’re talking about the HTC One M8, let’s use it as an example. Here are the frequencies for each of the carrier-specific models: Source: M8 spec page AJ referenced this issue with the radio paths which may be related to this (not for the M8, but possibly still applicable): …which prompted the following question in that same thread which remains unanswered:
  5. That is AWESOME. Just to confirm, is that with the stock messaging app? Sent from my HTC One using Tapatalk
  6. Got it, thanks for the clarification! I was actually thinking that this made more sense since the network knows how to shift the load between bands. My hope was that we could force a switch in case the phone wasn't smart enough to know when to drop to 800MHz if we were deep in a building, for example. Sent from my HTC One using Tapatalk
  7. But it seems that people with the LG G2 and Nexus 5 can change the band priority and "force" one band over the others. Sent from my HTC One using Tapatalk
  8. I'm curious as well. This will likely be my first tri-band device and I would love that kind of granular control over its connectivity. Is it something easily selectable from the engineering screen, or do you have to edit the priorities in the PRL like you do on the G2 (from what I understand)? Hopefully, I'll have one in a couple weeks when I'm satisfied that there are no build quality issues. I'm right by a cluster of 800MHz LTE towers by Chicago so I can't wait to try those out! Sent from my Nexus 7 using Tapatalk
  9. Saw this on Gizmodo, but here's the link they cited with more information: http://www.myvouchercodes.co.uk/#cellular-network I want to show this to people who wish for the ability to see radio wavelengths and ask them, "are you sure?" They'd probably be blinded at ground level. Sent from my HTCONE using Tapatalk 2
  10. Would the band number in the 1X Engineering screen always show as “CDMA PCS” as long as the band class was “1” (PCS 1900 MHz) in the EVDO Engineering screen? Would it change to something like “CDMA SMR” if the EVDO Engineering screen showed you were connected to band class 10? Since the HTC One’s EVDO Engineering screen is not accurate, could we use this as a work-around? Do the channel numbers for CDMA2000 and/or UL/DL channels for LTE change as you switch cells (sectors?)? If so, does that mean each cell can only accommodate 1200 CDMA2000 connections and 649 LTE connections, or can two handsets share a channel through some kind of multiplexing?
  11. Once my One arrived last week, I purchased the Incipio DualPro Shine from a local AT&T store as a stopgap until I could get a case that didn’t cost nearly $40 to turn my gorgeous One into a chintzy-looking tank (yay 14-day return policies). http://www.incipio.c...shine-case.html In the week that I’ve had my One, I noticed pretty mediocre performance in terms of maintaining an LTE signal, even when compared to my EVO LTE. Just sitting at my desk, my One would occasionally drop to 3G whereas my EVO would maintain a solid connection in the same location. Given that the consensus around here and XDA is that the One seems to perform significantly better than the EVO in that regard, it got me thinking that it might be the case. I had some time at work yesterday, so I tried ditching the case. With the case on, my RSRP values were hovering around -115 dBm. With the case off, the values rose to around -107 dBm. I used stationary objects on my desk as reference points to ensure that I put the phone in the exact same spot and let the phone sit for about a minute both with and without the case several times. Each time, the result was the same. The values fluctuated during active data sessions, but they were hard to quantify, so let’s just say that they briefly went up. In fringe areas (friend’s house), I was able to maintain an LTE connection without the case, but completely lost it with the case on (glad I had their Wi-Fi password). The DualPro is a two-part case; there is a rubber “caddy” that the phone is placed inside of and the outer plastic portion in which the phone/caddy combination is nested. I did not notice much, if any, drop in the RSRP values with just the caddy. What I did see, however, was the -8 dBm drop in signal when I rested the phone directly inside the plastic, sans caddy. Since I’ve used plastic cases with similar thicknesses without issues, does anyone think that it could be the metalized painting? I know case manufacturers design these mainly with impact absorption in mind and don’t have access to RF testing labs, but wouldn’t they know to stay away from certain materials? I guess “DualPro” has a better ring than the Incipio Faraday.
  12. Oh, I totally forgot to mention that my post was more to just confirm/reinforce what was said a couple days ago in this (your) post: Sorry, I posted hastily.
  13. Someone over on XDA was given a One ahead of the launch and was nice enough to start a thread asking people if they had any questions: http://forum.xda-dev...d.php?t=2228412 I went ahead and posted this: To which he responded: See his post for screenshots: http://forum.xda-dev...77&postcount=21 Unfortunately, he is not in an area where Sprint has rolled out LTE yet, so we can’t really compare anything at this time.
  14. Agreed. Sorry, I was still editing my post when you added that.
  15. http://gizmodo.com/5...-everybodys-ass Thoughts? From what I've read on this forum, people seem to think that T-Mobile's network is the only one of the four major carriers that will really rival Sprint's post-NV network in terms of technology. However, I have some issues with this article; what it seems to be focusing on is maximum throughput as a standard by which to judge all other carriers. From my point of view, T-Mobile seems to be more metro-focused. Most of my friends who have it live in a major city and get usable signal in many more places than I do when I’m with them. On the other side of the coin, when they’re in a more suburban/rural area, they drop down to EDGE while I might still have LTE. I guess I would like to see some hard evidence that T-Mobile’s HSPA+ “fallback” will be used as frequently as Sprint’s EV-DO network when the LTE signal starts getting weak. As far as I understand, T-Mobile will only be rolling out LTE on the 1700/2100MHz band, which would be comparable to Sprint’s 1900MHz band. However, once Sprint rolls out LTE on 800MHz, even if it will not be on every tower, would that be comparable to T-Mobile’s HSPA+ in terms of coverage?
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