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  1. LumiaWorld's Avatar
    Anyone else who has a similar experience? I am thinking of moving them all back to the phone memory...
    05-02-2014 12:50 AM
  2. anon5997296's Avatar
    What class of memory card?
    05-02-2014 01:28 AM
  3. Aniket Mhatre's Avatar
    Anyone else who has a similar experience? I am thinking of moving them all back to the phone memory...

    Use class 6 or class 10 memory cards





    Sent from my Lumia 620 wp8.1 RM-846_im_india_233 using Tapatalk
    05-02-2014 04:47 AM
  4. Lance_WPCentral's Avatar
    Even with class 10, at times games lag. I have experienced a lag with Frozen Free Fall and My Tom Cat.
    05-02-2014 05:01 AM
  5. Aniket Mhatre's Avatar
    I never felt any lag till now. Asphalt 8, Rail Rush, Rayman series and many more heavy games work smoothly on my lumia 620 wp 8.1 and 16gb class 10 sd card

    Sent from my Lumia 620 wp8.1 RM-846_im_india_233 using Tapatalk
    05-02-2014 05:12 AM
  6. LumiaWorld's Avatar
    Thanks for the replies. Just moved all of my apps back to the phone memory and there seems to be an improvement on my phone's performance. It's a lot smoother now. I guess my hunch is right.
    05-02-2014 07:28 AM
  7. LumiaWorld's Avatar
    How to know the class of a memory card?
    05-02-2014 07:29 AM
  8. Aniket Mhatre's Avatar
    Its written in a small circle at top right corner of pack in which memory card comes

    Sent from my Lumia 620 wp8.1 RM-846_im_india_233 using Tapatalk
    LumiaWorld likes this.
    05-02-2014 07:31 AM
  9. rkarolak's Avatar
    I'm not sure if the Lumias support their speeds, but if the card speed is an issue, consider getting UHS-I or UHS-II SD cards, some have very quick read/write speeds. I have a UHS-II 64 GB SD card that is rated to read up to 95 Mbps, and write something like 60 Mbps. My tests showed it get a reliable average of about 80 Mbps read. Check the speeds when you buy them though, some have slower write speeds. They're a bit more expensive, but can be worth it for things like phones or tablets.

    With that said, if getting faster cards doesn't help with performance, it's possible that the phone just can't take advantage of it.
    LumiaWorld likes this.
    05-02-2014 11:30 AM
  10. Guzzler3's Avatar
    Remember, "UHS" supersedes the "Class" for speed rating now days.

    I haven't been able to find any real documentation, but with my experimenting with various micro SD cards, I believe Windows Phones use UHS-I bus for microSD. So, look for UHS-I rated cards to use in your phone.

    I don't think Windows Phones use the UHS-II bus, yet. You can tell a UHS-II microSD card, by the extra row of pins.
    Last edited by Guzzler3; 05-02-2014 at 03:01 PM.
    LumiaWorld likes this.
    05-02-2014 02:49 PM
  11. Vinit Yadav's Avatar
    i hv some large games on 16 GB sd card and i hv no problem in running them lyk of six guns, asp 8. it took some tym to start i feel, but no lagging in game, L720.
    05-02-2014 03:20 PM

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