Wi-Fi

The Lumia 830 most likely unitizes the Qualcomm VIVE Wi-Fi available on the Snapdragon 400 SoC. In this particular case, it is nothing special. The 830 has a single stream only, although at least it is dual band. This gives us a maximum connection speed of 150 Mbps, which the Lumia 830 was able to achieve. However connection speeds rarely equate to real world transfer speeds.

WiFi Performance - UDP

I was only able to achieve 38 Mbps transfer speed with the Lumia 830, which is not a stellar result. On a device of this price range, it would be nice to see 802.11ac wireless and possibly a dual-stream solution.

There is one other note about Wi-Fi. On one occasion, the device stopped seeing any access points at all. I had to restart the phone, at which point the Wi-Fi worked normally again. I’ve contacted Microsoft and this is a known issue on some Lumia 830 devices. They have no fix for this yet, so if you do purchase one and have this happen, you may want to exchange it. It happened just the one time to me though.

Cellular

Qualcomm’s MSM8926 SoC supports up to Category 4 LTE which offers a maximum of 150 Mbps download and 50 Mbps Upload.

I was only able to achieve 6 Mbps download and 4 Mbps upload but these numbers have a lot to do with the traffic on the tower, as well as location and obstacles.

Reception is good but this is difficult to test unless you live on the fringe of a cellular signal and I do not.

GNSS

Qualcomm’s IZat Gen8A is the GPS in the Snapdragon 400 SoC, and as with most modern Qualcomm location solutions it is fast and accurate. With location services enabled on the phone, GPS lock happened within a couple of seconds. Going from location services disabled to a GPS lock took around thirty seconds, which is pretty good.

The Lumia 830 supports A-GLONASS, A-GPS, BeiDou, and assist from cellular and Wi-Fi networks to get a quicker location fix.

Speaker and Call Quality

The Lumia 830 has a single speaker on the back of the device, which is never the ideal location for maximum clarity and volume. The tiny speaker does get plenty loud though. I measured 88.7 dBA from the speaker from 3” away.

The Lumia 830 has four microphones for noise cancelling. Below is the audio of a call from the 830 to my personal cell, which I recorded on my PC. There is a bit of whine in the recording from my PC so please ignore that I will try and get that sorted out for the next review.

The 830 does a good job cancelling out the outside noise during a call, with it only struggling when the ambient noise was high enough that it would be difficult to speak face to face. The audio quality of the call was also quite good.

Battery Life and Charging Software
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  • TheFlyingSquirrel - Tuesday, November 25, 2014 - link

    The phone would have been so much more compelling if this came out last year or even more 1st half of the year before the newer Qualcomm chips started showing up in mid-range devices.
  • PubFiction - Tuesday, November 25, 2014 - link

    You can pretty much chalk up almost every windows phone to this same statement, would have been good if it was 6 months to a year earlier. They seriously cannot expect to do anything with their last place priority for phone development.
  • tralalalalalala40 - Tuesday, November 25, 2014 - link

    It's silly to mention megapixels when comparing cameras. By eye, a camera would have to be 4*8= 32 mp to be obviously better than an 8mp camera. What matters is more is sensor size/light intake/signal to noise/etc which has nothing to do with mp. (hint, 1080p is less than 2 megapixels...)
  • ToTTenTranz - Tuesday, November 25, 2014 - link

    I don't think Qualcomm sells the Snapdragon 600 in large quantities anymore, probably because the final price ended up too close to the Snapdragon 800/801, since it required an external baseband processor. My guess is the FireTV is the last "new" device getting those chips, as it doesn't need the extra baseband processor.

    I understand that getting the S610 could be too early for this Lumia 830. Though it's harder to understand why they didn't use the S410, since there are already lots of devices on the market using it and it's quite a bit faster than the old S400.

    This makes me think that the Lumia division is still suffering from the same "inertial" problems as the old Nokia. This model would've made total sense during last year when the Moto G was reigning over the mid-end market.
  • Drumsticks - Tuesday, November 25, 2014 - link

    I thought that the 830 was too early for S610 as well, but it's already available/shipping in several HTC Phones (their desire line or something?) and presumably some other OEMs as well.
  • cheshirster - Friday, November 28, 2014 - link

    What is the point in S410? It is not faster.

    S600 is older then first gen WP8 phones( 920 and 820). Imagine Nexus 4 battery life tests instead of actual L830 numbers and you will understand why it has S400.
  • simard57 - Tuesday, November 25, 2014 - link

    I recently swapped my original Moto X for a Lumia 830. The X was my third Android phone and this is my 1st Windows Phone. I am pleased with the 830 and feel it gives me a longer time between charges than my X did. Having a replaceable battery is a nice perq as well.

    One "issue" I have stuggled with is a way to import my google favorites from google Map. I exported the favorites into a KML file and was able to import them into www.bing.com/maps but regrettably, the web Bing Maps do not sync with Windows Phone Maps or Windows 8.1 Maps. I googled it and learned that Phone Maps syncs with Windows 8.1 Maps - and it does BUT there is no apparent way to import a KML file (or any file) into the Windows MAPS or Phone MAPS program. Please do not tell my I have to manually enter each of the entries!

    What's up with that Microsoft? This IS a required feature!!!
  • cheshirster - Friday, November 28, 2014 - link

    Phone maps sync with here.com. Maybe this would help.
  • simard57 - Monday, December 1, 2014 - link

    is there a way to move my location library from the Google ecosystem into the Microsoft one?
    I will keep looking - but I do not see a way to import KML or any file into here.com
  • simard57 - Monday, December 1, 2014 - link

    also - does here.com sync with windows 8.1 maps?
    sure feels like the maps situation in the Microsoft ecosystem is bit fragmented.

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