1. Android Central Question's Avatar
    Hello
    As you can see, the MT6797 (Helio X20) offers the FDD-LTE frequency B20 (800mhz), in several models (Vernee Apollo Lite, Vernee Apollo X, HomTom HT10, Elephone S7, Doogee F7, etc.). Leeco S3 X626 not to make the FDD-LTE B20 / 800mhz frequency available, it will be a software / firmware, not hardware issue, unless you have a better opinion.
    Does anyone know how to unblock this frequency?

    Thanks
    11-07-2017 04:32 PM
  2. Rukbat's Avatar
    It's not only a matter of "unblocking", it's a matter of "is there an 800 MHz radio in the phone?" So it's a hardware issue first. Then, if it does have the radio capability, it's a software issue. Since it doesn't have any 800 MHz frequencies, there's a chance that it's a hardware issue. (It depends on whether the 850 MHz radio can be tuned down to 800 MHz, and only the engineers who designed the phone can tell you that.)
    11-07-2017 04:58 PM

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