chado Posted November 25, 2018 Share Posted November 25, 2018 It's worked in all the countries so far, for years. In North America too. But now in South America it's not working -- it won't connect to any mobile operator service provider. What can I do? My initial goal is to be able to receive sms from Kasikorn. Nothing else. What can I do? If I install their app, it'll require connection to internet via my original sim-card only to activate itself. Alternatives? Link to comment Share on other sites More sharing options...
simoh1490 Posted November 25, 2018 Share Posted November 25, 2018 Did you check to see if DTAC has roaming agreements with the country in South America that you're in? If it doesn't, the South American networks won't recognise the DTAC SIM card - from a quick glance it looks as though DTAC has roaming agreements with 60 countries, that means there are 135 countries it doesn't have agreements with. Link to comment Share on other sites More sharing options...
chado Posted November 25, 2018 Author Share Posted November 25, 2018 8 minutes ago, simoh1490 said: Did you check to see if DTAC has roaming agreements with the country in South America that you're in? If it doesn't, the South American networks won't recognise the DTAC SIM card - from a quick glance it looks as though DTAC has roaming agreements with 60 countries, that means there are 135 countries it doesn't have agreements with. Where is the agreement? Link to comment Share on other sites More sharing options...
simoh1490 Posted November 25, 2018 Share Posted November 25, 2018 1 minute ago, chado said: Where is the agreement? Er, um, at DTAC! Link to comment Share on other sites More sharing options...
chado Posted November 25, 2018 Author Share Posted November 25, 2018 Where? Link to comment Share on other sites More sharing options...
simoh1490 Posted November 25, 2018 Share Posted November 25, 2018 3 minutes ago, chado said: Where? DTAC in Thailand....does your mum know you're not in your room! Here, check for yourself - https://www.dtac.co.th/en/postpaid/services/roaming-15-countries.html Link to comment Share on other sites More sharing options...
chado Posted November 25, 2018 Author Share Posted November 25, 2018 Show me the list of the 60 countries. Link to comment Share on other sites More sharing options...
simoh1490 Posted November 25, 2018 Share Posted November 25, 2018 Goodbye. Link to comment Share on other sites More sharing options...
chado Posted November 25, 2018 Author Share Posted November 25, 2018 Bye Link to comment Share on other sites More sharing options...
mtls2005 Posted November 26, 2018 Share Posted November 26, 2018 It could be that your phone does not support the local partner's spectrum. Some South American countries have unusual and unique frequencies. Obviously, the DTAC Call app might work, assuming you have WiFi and have properly registered for that service. More detail about your location, phone (make/model) and availability of WiFI would be helpful to those trying, in turn, to assist you. http://www.dtac.co.th/en/info/dtac-call.html https://play.google.com/store/apps/details?id=th.co.dtac.wificalling See page 10--> http://www.dtac.co.th/document-upload/roaming/IR_Booklet_EN.pdf Link to comment Share on other sites More sharing options...
mtls2005 Posted November 26, 2018 Share Posted November 26, 2018 Also, are you prepaid or postpaid with DTAC? Link to comment Share on other sites More sharing options...
chado Posted November 26, 2018 Author Share Posted November 26, 2018 Pre 1 hour ago, mtls2005 said: Also, are you prepaid or postpaid with DTAC? Prepaid. I don't have Dtac call installed, and thus I can't install it now because I wouldn't be able to receive activation code. South American frequencies are unusual? The ones of North America not? In Mexico it worked. Link to comment Share on other sites More sharing options...
chado Posted November 26, 2018 Author Share Posted November 26, 2018 If I talk to the support on the phone, will they be able to activate the app? Or do anything? Link to comment Share on other sites More sharing options...
chado Posted November 26, 2018 Author Share Posted November 26, 2018 for the prepaid the pdf says that dtac isn't avaialable in Mexico, although it was for me. Link to comment Share on other sites More sharing options...
chado Posted November 26, 2018 Author Share Posted November 26, 2018 as for my phone, it's able to find networks in this country, but they won't allow to connect to them thus, the problem is that there's no roaming Link to comment Share on other sites More sharing options...
mtls2005 Posted November 26, 2018 Share Posted November 26, 2018 Which country? What is make/model of the phone? By "unusual", I meant frequencies which your phone may not support. My read of the various DTAC info is that prepaid customers cannot use roaming in South America. No clue why it worked in Mexico for you. Post-paid customers can roam in SA. For example, in Brazil DTAC has roaming agreements with... Nextel Brazil OI MOVEL SA Claro Brazil No clue what DTAC support may be able to do for re: the DTAC Call app, but it seems like it might be worth a try? https://www.dtac.co.th/business/en/help In the first pull-down box choose Enquiry, International Service, IR Link to comment Share on other sites More sharing options...
chado Posted November 26, 2018 Author Share Posted November 26, 2018 6 hours ago, mtls2005 said: In the first pull-down box choose Enquiry, International Service, IR My phone can detect all the networks, but none of them allows me to connect. 1) How can I change my tariff to postpaid? Given that now my prepaid sim doesn't work and therefore I can't login to "my dtac" dashboard. 2) Dtac app would work, but it requires an activation code for the first usage that can be received .... to the original simcard. Link to comment Share on other sites More sharing options...
chado Posted November 26, 2018 Author Share Posted November 26, 2018 Maybe I can setup "forward sms", so that they'll forward to either my local number or a thai number of my friend? Link to comment Share on other sites More sharing options...
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