1. Ayman Guandique's Avatar
    So, yesterday I downgrade my lumia 1020 from windows phone 8.1 preview to windows phone 8.0. Expecting that I will be receiving the Cyan update but it doesn't appear. And I don't even know from where my phone is. The Manufacturer Name is: RM-877_lta_lta_219. I'm in El Salvador but my phone isn't from here (I purchased it used). Can someone tell me from where my phone is? any help?
    08-09-2014 07:45 PM
  2. dameon_03's Avatar
    try settings extras+info and click more info. it may be under manufacturer name. On mine since i flashed a euorpean rom it says RM-821_eu_france_267. and you could also look under mobile operator
    08-09-2014 07:50 PM
  3. TechFreak1's Avatar
    Go to the about screen and check under "Carrier", that will display what region / provider your phone is from or lock to.
    Once you have that confirmed, check this page:

    Software update for Nokia Lumia with Windows Phone 8 - Nokia

    I would recommend you have both links above and below bookmarked.

    Windows Phone 8.1 and Lumia Cyan update tracker | Windows Phone Central

    A quick note: CV would mean it is a Country Variant so for example CV GB would mean I have a country variant from "Great Britain" therefore would need to look under "United Kingdom" on Nokia Support page.

    I hope the above helps.
    08-09-2014 07:52 PM

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