1. Windows Central Question's Avatar
    Hi all,
    I have a Lumia 520 with Windows 8.1 Cyan. I have a 8 GB SD card and I just bought a new 64 GB sd card to update my phone.
    What should be the way to do it to not lose any app data? I know I can back up my videos and photos, but I'm afraid to loose some information when moving apps.
    Thanks for your ideas

    Regards

    Daro
    11-17-2015 12:34 PM
  2. xandros9's Avatar
    Move what apps you can to main memory, move it to the new SD card.
    Rinse and repeat as necessary.
    11-17-2015 01:40 PM
  3. PepperdotNet's Avatar
    Is there not some sort of utility in desktop Windows, say Explorer, which could copy all your stuff from one card to a local folder, and then to another card? Or does WP do something nonstandard that wouldn't survive that?
    11-17-2015 08:51 PM
  4. Dario Valenzuela's Avatar
    Hi again. I'm the one that open this question.
    I'm thinking about possible problems when moving apps, like game records and stats, some apps configurations, and stuff like that.
    Of course I will try to copy my current SD card data to my hard drive and then copy that to the new SD, bu I don't want to loose what I mentioned.
    thanks
    11-18-2015 02:02 PM
  5. skydiverian's Avatar
    I've just done this with a Lumia 830, I downsized to a 32GB SD card to keep app data for planned retirement of the phone in December (since the total app data exceeds the 16GB built in storage). I had a 128GB card in the phone, which is going in a 950/XL when it's released.

    Move what data you can from the internal storage to the new SD card using storage spaces, then swap the cards back and move data from the old card to the internal storage. Keep swapping the cards round as necessary until you've got all the data you want from your old card.

    In my case, I've had zero issues - the games I had installed on my 128GB card have transferred, via the internal memory, to the new card and run perfectly without data loss.

    Using the file explorer on a Windows PC to directly transfer the data from one card to the other may not work - I assume application settings might play up, plus the phone may want to format the new card when you 1st insert it into the phone.

    Having said that, I did move the map data directly as for WP8.1 you can't move map data to the SD card anymore with the retirement of the Lumia storage app. I moved the map data directly with file explorer on my desktop without issue and the phone still saves new maps to the SD card.

    Mileage may vary, but I had no issues. Obviously can't guarantee there won't be issues but in my case I had none.

    Also note that, in my case, some apps used far less space when on the internal memory, only to take far more when on the SD card.
    Dario Valenzuela likes this.
    11-18-2015 02:18 PM
  6. Dario Valenzuela's Avatar
    Swapping SD cards was mentioned earlier by Xandros9, but I was expecting an easier and faster way to do it, something like a special app, or a desktop program.
    I will make it as you both said and let you know if I face some trouble.
    Thanks to all and best regards

    daro
    11-18-2015 05:07 PM

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