1. kramnod's Avatar
    OK, So I guess no one posted this yet on our 1520 thread, I think this is one of the most useful tool for a power user when it comes to cellular data. This is not for all people but I believe that a lot would benefit from this...

    ##3282 or ##3282# were available on some Lumia 1520 on Windows Black; so far, from what I tried Vietnam Rom has this feature but unfortunately 4G is disabled on that rom which made it useless to take advantage faster speeds that 4G LTE can provide.

    Native Toast Launcher was an alternative for those ROM that does not support the dial code ##3282+call/ ##3282#. You need to have a developer unlocked phone to be able to deploy the Xap file and install it like a regular application. Unfortunately the Launcher stopped working after the Cyan update 8.1.

    I'm making this thread so that anyone who'll be able to develop one (Native Toast Launcher) for this can post or share their knowledge here. Take note this is for Cyan

    Please post updates here if your ROM supports the field test still after the Cyan update. Right now I don't know if Vietnam Rom still has this with Cyan update but it was reported that those that had "developer upgrade" to Cyan still has the Dial Code Field Test option, however I would also want to validate if it now supports LTE.

    Please Post your "Product Code and Country Region" so that other will be able to flash to that Rom.

    Last edited by kramnod; 08-02-2014 at 02:29 AM. Reason: Title Change
    07-30-2014 05:37 AM
  2. clarinsays's Avatar
    I'm on the same boat as you are.. been using Vietnam Rom on my lumia 1520 so as to stick with 3g but i dont have 4g for this.. still hoping they would give access to the user to stick with the frequency they want to stick into.
    08-03-2014 08:35 AM

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