1. saintforlife's Avatar
    Dare I say that the 520 looks so much cleaner and 'proportionate'? Why did the 521 have to be longer? For folks that got the 521 without the T-Mobile logo, is the phone still longer than the 520 model?

    jjzzp43.jpg
    08-16-2013 05:47 PM
  2. Smyrna5's Avatar
    My 521, bought at the T-Mobile store a few weeks ago, and without the T-Mo logo is 124 mm long, measured from the outer edges of the case.
    08-16-2013 06:15 PM
  3. Timeslicing's Avatar
    It is probably because extra space is needed to fit the extra set of antenna the 521 has that the 520 doesn't. I seriously doubt Nokia and TMobile did it to fit the branding.
    xandros9 likes this.
    08-16-2013 06:40 PM
  4. Dustin Hodges's Avatar
    Ive notice underneath the camera there appears to be something like a microphone(?) or light sensor on my 521 (and the shell has a small notch under the camera for it). I havent seen a 520 with the cover off, so i dont know for sure, but from the pictures ive seen, the 520 doesnt have that. I also know the 521 has hardware thats compatible with Wifi calling (GEN3 IMS) and also supports more cellular frequencies (since TMO has 1 - 2 extra frequencies due to ATT monopolization of the others they use). Perhaps this "mic" or "snesor", along with the variation of hardware, is what caused its added height?

    And you may find the 520 cleaner and more proportionate, nut i think the 521 looks slimmer and cleaner. I also know that its extra height keeps me from bumping the hardware touch buttons (search, and possibly the windows key) with my palm, and ive seen a few other 521 owners state the same around the forums.
    08-16-2013 06:46 PM
  5. WanderingTraveler's Avatar
    We can state all we want, but my theory is that this was done for ergonomics.

    Well, T-Mobile probably wanted the branding, so you might as well make it convenient to users. In this case, think of the 1/3-2/3 bezel approach of the Lumia 620 and 920.
    08-16-2013 08:30 PM
  6. jms_209's Avatar
    Maybe that is why my samsung exhibit 2 4g looks bigger/wider than the 521.

    My exhibit is wider and the 521 is longer.
    This is just from looking at it at tmobile and the screen seemed smaller even though it is not.
    3.7 vs. 4.0
    08-16-2013 08:45 PM
  7. Corepc's Avatar
    Okay so while my data connection was down, Perhaps this is some evidence, Internally

    I looked over the FCC 521 Pics (Select Internal Photos)

    Download in 520 Service Manual. go to Page 11

    Visual Pic of Internal showing difference between 520 and 521.
    Where the camera is located at on the 521. To the Right of the Camera Lens itself some type of sensor, On the 520 does not exist. So that extra notch right below camera on shell is for something after all.

    The extra length on 521 probably comes from this. One of Chips along the bottom is arranged differently on the 521 then it is on the 520.
    On 521 is running left to right. On 520 you can see that is running up and down.

    You can tell from the pics that 521 board is different than the 520. Notice the notch on the 521 right above that chip running left to right, not on the 520.

    Now the Mystery Is Solved I believe

    your thoughts.


    I would post edited images from the pdf but they are copyrighted.
    saintforlife and xandros9 like this.
    08-16-2013 09:38 PM
  8. Dustin Hodges's Avatar
    so its a sensor. I couldn't tell if it was some extra mic (someone around the forums or comments, either/or, suggested such) or a sensor when I took off the battery cover.

    Im guessing its some kind of light sensor? Perhaps the 521 has slightly improved on the 520's camera for light sensing, seeing as it has no flash?
    08-16-2013 10:02 PM
  9. Alex Rodriguez's Avatar
    As you can read here, is because of the t mobile logo

    http://www.anandtech.com/show/7177/nokia-lumia-521

    anandtech is one of the most reliable and unbiased tech sites.
    08-16-2013 10:19 PM
  10. WasteSomeTime's Avatar
    Its a light sensor and I like that the t - mo logo kinda elevates the screen. Making me wonder what they put to fill the extra space inside the phone and not just put the logo.
    Dustin Hodges and jms_209 like this.
    08-16-2013 10:35 PM
  11. cckgz4's Avatar
    Kinda sucks cause that'll limit third party accessories (mainly cases)
    krismall likes this.
    08-17-2013 01:56 AM
  12. Smyrna5's Avatar
    cckgz4 - I got a nice silicone rubber case from an ebay seller called my_gadgetgarage $4.95 w/free shipping. It fits my 521 like a glove.
    08-17-2013 07:21 AM
  13. saintforlife's Avatar
    Okay so while my data connection was down, Perhaps this is some evidence, Internally

    I looked over the FCC 521 Pics (Select Internal Photos)

    Download in 520 Service Manual. go to Page 11

    Visual Pic of Internal showing difference between 520 and 521.
    Where the camera is located at on the 521. To the Right of the Camera Lens itself some type of sensor, On the 520 does not exist. So that extra notch right below camera on shell is for something after all.

    The extra length on 521 probably comes from this. One of Chips along the bottom is arranged differently on the 521 then it is on the 520.
    On 521 is running left to right. On 520 you can see that is running up and down.

    You can tell from the pics that 521 board is different than the 520. Notice the notch on the 521 right above that chip running left to right, not on the 520.

    Now the Mystery Is Solved I believe

    your thoughts.


    I would post edited images from the pdf but they are copyrighted.
    You are talking about this right?

    obz4iq0.png
    08-17-2013 01:10 PM
  14. Corepc's Avatar
    Correct, that small sensor is not present on the 520. That Notch has well right above the chip running left to right.

    From what I looked at on FCC site the 521 went through twice, the first time was in Feb right around when 520 went through, boards where identical. But in March the 521 went back through
    FCC testing with a board from above.
    Smyrna5 likes this.
    08-17-2013 01:13 PM
  15. KitN's Avatar
    You are talking about this right?

    Click image for larger version. 

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    But that shouldn't affect the LENGTH, right?

    Sent from my Nexus 4
    08-17-2013 06:16 PM
  16. Dustin Hodges's Avatar
    But that shouldn't affect the LENGTH, right?

    Sent from my Nexus 4
    Actually, it can. If, on the 520, the circuit board (where the gap begins) stopped directly underneath the camera, that sensor adds, well, the sensors length, to the device. Meaning it appears that the 521's added length is for a camera improvement (light sensor, which is needed, seeing as there's no flash, so low light is key), not just some silly branding (which I personally like).

    "sent from my nexus 4" . . . . . . .
    08-17-2013 06:34 PM
  17. Corepc's Avatar
    Here are my edited pics showing the differences

    521




    520


    Smyrna5 likes this.
    08-17-2013 07:41 PM
  18. KitN's Avatar
    Yes, I don't just own WP devices. I own and USE iPhones, Andriods AND WPs!
    Sent from my Nokia Lumia 521
    08-18-2013 04:39 AM
  19. Dustin Hodges's Avatar
    I was just kidding around, kitn. :P I've used a few androids myself before, and still think siri is cool.
    08-18-2013 11:47 AM

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