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  1. Prasad KVL's Avatar
    I recently bought dual SIM 535. The issue I have is that at time I am able to have only one sim network active. If first sim is active the second one in sim setting indicates "no network found". The way to get 2nd sim network is to select it in "sim for data connection", but as soon as I select 2nd sim for data connection the 1st sim network goes down and shows as no network found in sim settings!!
    Appreciate any help in gettin both sim cellular network work at the same time.
    Thanks
    04-12-2015 08:25 AM
  2. abhishek singh21's Avatar
    I recently bought dual SIM 535. The issue I have is that at time I am able to have only one sim network active. If first sim is active the second one in sim setting indicates "no network found". The way to get 2nd sim network is to select it in "sim for data connection", but as soon as I select 2nd sim for data connection the 1st sim network goes down and shows as no network found in sim settings!!
    Appreciate any help in gettin both sim cellular network work at the same time.
    Thanks
    are you on WP10 TP??
    chandraphone likes this.
    04-12-2015 09:35 AM
  3. Prasad KVL's Avatar
    No, 8.1 OS
    04-12-2015 10:38 AM
  4. oliver2015's Avatar
    I have a similar issue. Once there is an active network, it suddenly does not recognize the second sim but the sim will work perfectly in another phone, so it is not an issue of network. Please i will really appreciate a help, no longer enjoying the phone because i have just one active sim.
    06-25-2015 03:18 AM
  5. vipme's Avatar
    Appreciate any help in gettin both sim cellular network work at the same time.
    NO, you can not be connected, for datat transfer, to two networks at the same time, because you can not be assigned two IP addressses
    06-25-2015 05:33 AM
  6. Arman Safikhani's Avatar
    I have the same issue, I can't use both sim cards at the same time, If I choose the first SIM for data connection (under celluar + SIM section), the second will be disabled and signal strength disappears or it's there, but I cant make calls. The same applies to first sim if I choose the second for Data Connection.

    It's really annoying! anybody found a fix for it?
    Here are the full details:
    OS version: 8.10.14234.375
    Hardware revision number: 3.0.0.0
    Radio software version: 20c9.00076.0001
    Chip SOC version: 8212


    Network+ software version: 3.0.0.11
    07-30-2015 10:56 AM
  7. Therese Narciso's Avatar
    sir cannot open mobile phone.model RM1090
    08-18-2015 04:03 AM
  8. ads13's Avatar
    I have a similar issue. Once there is an active network, it suddenly does not recognize the second sim but the sim will work perfectly in another phone, so it is not an issue of network. Please i will really appreciate a help, no longer enjoying the phone because i have just one active sim.
    I have the same issue, I can't use both sim cards at the same time, If I choose the first SIM for data connection (under celluar + SIM section), the second will be disabled and signal strength disappears or it's there, but I cant make calls. The same applies to first sim if I choose the second for Data Connection.

    It's really annoying! anybody found a fix for it?
    Here are the full details:
    OS version: 8.10.14234.375
    Hardware revision number: 3.0.0.0
    Radio software version: 20c9.00076.0001
    Chip SOC version: 8212


    Network+ software version: 3.0.0.11
    I recently bought dual SIM 535. The issue I have is that at time I am able to have only one sim network active. If first sim is active the second one in sim setting indicates "no network found". The way to get 2nd sim network is to select it in "sim for data connection", but as soon as I select 2nd sim for data connection the 1st sim network goes down and shows as no network found in sim settings!!
    Appreciate any help in gettin both sim cellular network work at the same time.
    Thanks
    Hello Guys,

    Has your problem been solved yet?

    I'm also suffering from this problem too.
    I'm sure this is antenna(PCB) problem of my Lumia But want to confirm from you guys...
    Last edited by Aman Deep Singh; 11-24-2016 at 02:51 PM.
    11-24-2016 12:41 PM
  9. taiwo akindele's Avatar
    THE END OF DUAL SIM PROBLEM ON YOUR LUMIA PHONE (Both Sims Can now work)
    Under settings > Network & off “USE ONLY 3G” > Set & select “OFF” in smart dual sim. Then restart. Problem solved
    02-09-2017 08:11 AM
  10. taiwo akindele's Avatar
    THE END OF DUAL SIM PROBLEM ON YOUR LUMIA PHONE (Both Sims Can now work
    Under settings > Network & off “USE ONLY 3G” > Set & select “OFF” in smart dual sim. Then restart. Problem solved
    02-09-2017 08:12 AM
  11. taiwo akindele's Avatar
    I recently bought dual SIM 535. The issue I have is that at time I am able to have only one sim network active. If first sim is active the second one in sim setting indicates "no network found". The way to get 2nd sim network is to select it in "sim for data connection", but as soon as I select 2nd sim for data connection the 1st sim network goes down and shows as no network found in sim settings!!
    Appreciate any help in gettin both sim cellular network work at the same time.
    Thanks
    02-09-2017 08:12 AM

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