08-11-2015 12:47 PM
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  1. Siddharth Ramakrishnan's Avatar
    Hi,

    Do anyone here using 4G in India.

    I just got the 4G sim and found that it wont work with Lumia 1520, since in India we use 2300mhz for 4G.

    Any other way we can enable that frequency in our phone or like that ?
    05-16-2015 04:19 PM
  2. gpobernardo's Avatar
    According to the specifications of the L1520, the 2300MHz band isn't compatible with the L1520. There is no way to enable a different frequency aside from those designed into the phone... unless replacing the antenna, the antenna drivers and the main board is an option (might as well replace the entire phone), and that isn't even guaranteed to work.
    05-16-2015 04:49 PM
  3. always_salil's Avatar
    I think you should sue them for selling 4G phones those won't support the band. Its fooling the customers. And you are paying for a feature that doesn't even work.
    05-16-2015 05:03 PM
  4. vineet_vpns12's Avatar
    How about going to the consumer court first
    05-16-2015 05:25 PM
  5. RumoredNow's Avatar
    Have you tried accessing the radio via Field Test Menu? Maybe there are disabled frequencies on board.

    Which RM # do you have?
    gpobernardo likes this.
    05-16-2015 08:15 PM
  6. Siddharth Ramakrishnan's Avatar
    Well I think Airtel is rushing up the release with 2300mhz since they have approval for that and most other provider waiting for 2100mhz band.
    05-17-2015 04:10 PM
  7. Siddharth Ramakrishnan's Avatar
    Have you tried accessing the radio via Field Test Menu? Maybe there are disabled frequencies on board.

    Which RM # do you have?

    How to do that ?

    Here is my screen snap of info

    05-17-2015 04:11 PM
  8. RumoredNow's Avatar
    RM-937 has no LTE radio on board. Any "4G" they refer to would be "faux G" HSPA or H+.

    Don't bother with Field Test. Nothing to see there.
    Laura Knotek and gpobernardo like this.
    05-17-2015 04:14 PM
  9. Siddharth Ramakrishnan's Avatar
    RM-937 has no LTE radio on board. Any "4G" they refer to would be "faux G" HSPA or H+.

    Don't bother with Field Test. Nothing to see there.
    Are you sure about this. I have read that it is LTE enabled.


    05-18-2015 12:20 AM
  10. slyronit's Avatar
    Airtel LTE is TD LTE which almost none of thr Nokia phones support. Reliance Jio and Vodafone will be launching with FD-LTE which almost all 4G phones support.

    Sue whom? Who advertised these phones with 4G? Nokia even disables 4G in the Indian firmwares and can only be enabled by flashing a different firmware. None of the website listings say 4G either.
    05-18-2015 12:51 AM
  11. RumoredNow's Avatar
    ^^^ See above... ^^^ The Band 40 TDD (2300 MHz) is most likely just not there in the hardware.
    If you can access Field Test and examine the Bands available it would be exactly as this tutorial describes. http://forums.windowscentral.com/nok...-band-4-a.html


    *facepalm* We both wrote RM-937 and I was thinking RM-939... I'm sorry for my incorrect statement.
    gpobernardo likes this.
    05-21-2015 10:45 AM
  12. PirateSunil's Avatar
    Airtel LTE is TD LTE which almost none of thr Nokia phones support. Reliance Jio and Vodafone will be launching with FD-LTE which almost all 4G phones support.

    Sue whom? Who advertised these phones with 4G? Nokia even disables 4G in the Indian firmwares and can only be enabled by flashing a different firmware. None of the website listings say 4G either.
    Since i work for a network provider in India, i completely agree. TD LTE - 2300mhz, band 40 not supported by L 1520 -RM 937
    RumoredNow and gpobernardo like this.
    05-28-2015 05:46 AM
  13. Siddharth Ramakrishnan's Avatar
    Since i work for a network provider in India, i completely agree. TD LTE - 2300mhz, band 40 not supported by L 1520 -RM 937

    Do any network provider decided to launch LTE with the band supported my 1520 and most of the other sold devices in India ?
    gpobernardo likes this.
    06-01-2015 05:51 PM
  14. slyronit's Avatar
    Do any network provider decided to launch LTE with the band supported my 1520 and most of the other sold devices in India ?
    Yes, read what I wrote earlier. Almost everyone except Airtel will use FD-LTE, for now that is Vodafone and Reliance Jio. I am assuming by the time they do launch it, the 1520 will be obsolete .
    06-02-2015 01:29 AM
  15. rajamass's Avatar
    RM-937 is international version LTE enabled as per Nokia Developers site which is now no more
    I raised this issue in Lumia forums a year back.
    RM-937 available in India do not have LTE, but other international versions have where LTE is there when phone was introduced.
    06-02-2015 02:19 PM
  16. slyronit's Avatar
    I can confirm that in Delhi at least Airtel also uses FD-LTE and works on my 830 (finnish ROM)
    06-27-2015 06:03 AM
  17. Singhb's Avatar
    Airtel 4G in Delhi / NCR is on both 2300 MHz (Band 40 - TDD) and 1800 MHz (Band 3 - FDD). Here is an excerpt from a newspaper on the subject:

    Today, as we launch Airtel 4G trials exclusively for our existing customers in Delhi NCR our customers in the region will be uniquely positioned to experience Indias first integrated FD and TD 4G network, Bharti Airtel (India) Hub CEO (Delhi NCR and Rajasthan) Sarang Kanade said. According to sources, Ericsson is providing the network for FD (1800 Mhz) and Huawei for TD (2300 MHz) network.


    It is a ROM update issue with India specific Lumia 1520. It will need a ROM update to unlock 1800MHz FDD LTE capability on Lumia 1520. It works on my Lumia 1520 flashed with Singapore ROM and I am able to connect to 4G. 4G shows up in the option for available maximum data speed. Also, as I have installed latest Windows Mobile 10 Insider preview (10149) on my phone, I get the following options in the max data speed:
    2G, 3G Only, 3G, 4G Only, 4G.

    Microsoft needs to update the ROM ASAP now that operators are beginning to roll out 1800MHz FDD LTE.
    Tom Snyder and RumoredNow like this.
    06-29-2015 02:51 AM
  18. slyronit's Avatar
    Yes, with more provider set to roll put FD-LTE in India soon, it is a waste that people have compatible phones, with 4G disabled. Not many can flash ROMs on their phones.
    06-29-2015 02:24 PM
  19. Singhb's Avatar
    An update....an update recently rolled out unlocks 4G. I have seen this on 830 and 1520 at least.
    RumoredNow likes this.
    07-16-2015 10:36 PM
  20. Siddharth Ramakrishnan's Avatar
    Yes, so I believe every phone comes with every band on its hardware. Just the manufacturer disabled the frequency using OS.

    And I believe they pushed update only because of Airtel request since we don't see 2300 band in spec sheet but now we got 4g working surprisingly.
    07-17-2015 06:56 AM
  21. Singhb's Avatar
    Siddharth, as far as I know, none of the Lumia's support 2300 MHz TDD. It is 1800MHz FDD that one is able to latch on to after this latest firmware. I am sure, where you live, Airtel has also rolled put 1800MHz FDD LTE as they have done in Delhi/NCR.
    07-17-2015 08:40 PM
  22. rajamass's Avatar
    RM-937 is LTE enabled device by hardware but we don't have software support of the same till now,
    Good that Microsoft is pushing update for 4G
    However the supported bands for 4G is different from Airtel 4g band, but you can use it in any other country where 4G with following bands 2100, 1800, 2600, 900 and 200

    Hopefully out network providers use any of the mentioned frequencies unlike Airtel so that we can enjoy 4G on 1520
    07-18-2015 10:40 AM
  23. Singhb's Avatar
    It now appears that 1800MHz FDD is going to be the most widely used band for 4G simply because the ecosystem is well developed and more devices are available in that space. Airtel has rolled out 4G in that band in addition to 2300MHz in Delhi / NCR. Signs are encouraging.

    Hope for the best.
    07-19-2015 11:06 AM
  24. Siddharth Ramakrishnan's Avatar
    I am in Chennai and am using 4G in all my phones 1520 and 925. Yet to update my 1020. And yes it works on all phones like 1320 , 625.
    windobuddies625 likes this.
    07-21-2015 01:14 PM
  25. PirateSunil's Avatar
    Airtel supports FDD in few states.
    07-25-2015 01:54 AM
33 12

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