1. CrackBerry Question's Avatar
    Two Z10 phones. In settings "About"

    STS100-3 says UMTS channels 1,2,4,5,6 and LTE channels 2,4,5,17
    STS100-4 says UMTS channels 1,8 only and LTE channel 13 only.

    Will a Link backup of the -3 (10.3.2.2474) restored to the -4 (currently 10.3.2.586) add the extra channels the -4 is missing?
    02-28-16 06:20 AM
  2. John Vieira's Avatar
    The hardware has to exist that can use those bands.

    But the software also has to support them.

    It's a combination of both.

    Posted via -sigh- Priv. Guess we have to get used to Android guys....
  3. thurask's Avatar
    Bands are hardware. No way around that.
    02-28-16 04:12 PM
  4. uvampelj's Avatar
    Wouldn't be so sure.
    I own a passport and work in china where I could only get 3g max. After recent update I can now also access 4g. So voila software matters. Except if BlackBerry had hardware capability all the time to run on this 4g frequency but failed to write appropriate software support?

    Suggest u try it out and see

    Posted via CB10
    02-28-16 05:46 PM
  5. John Vieira's Avatar
    The hardware has to exist that can use those bands.

    But the software also has to support them.

    It's a combination of both.

    Posted via -sigh- Priv. Guess we have to get used to Android guys....
    02-28-16 05:54 PM
  6. raino's Avatar
    Yeah it's both, but more hardware than software. Software updates can enable enable/disable bands, but they can't compensate for missing bands.
    anon(9194980) likes this.
    02-28-16 06:18 PM
  7. uvampelj's Avatar
    True bu the question now is in about setting are those specs for software or hardware?
    Because as I said I have eu version of passportSE and it didn't used to support china's 4g. After update it does. So i'm thinking if a flashed a hongkong version software over it would work before update coz hardware clearly supports it.
    And no, china operators did not extend their bands coverage.

    Posted via CB10
    03-03-16 07:18 PM
  8. raino's Avatar
    True bu the question now is in about setting are those specs for software or hardware?
    Because as I said I have eu version of passportSE and it didn't used to support china's 4g. After update it does. So i'm thinking if a flashed a hongkong version software over it would work before update coz hardware clearly supports it.
    There could be other reasons than just an awakening of non-existent bands:

    1. Carrier provisioning finally kicked in.
    2. Better radio performance as a result of a software update.
    3. Carriers and OEMs working to enable previously suppressed (but existing) bands with a software update. IMO unlikely to be happening between BB and a Chinese carrier.
    4. Newer, compatible 4G networks being activated locally. Carriers don't necessarily have to make a grand announcement about this; I'm guessing this is especially true of nationalized ones. China Telecom has FD-LTE networks on 1800 MHz (band 3,) 850 MHz (band 5,) and 2100 MHz (band 1) whereas China Unicom has one on band 3. 1, 3, 5 are all present in the Passport.

    And no, china operators did not extend their bands coverage.
    How do you know?
    03-03-16 09:56 PM

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