{"id":4961,"date":"2026-01-23T14:13:50","date_gmt":"2026-01-23T14:13:50","guid":{"rendered":"https:\/\/truenmbstapp.de\/?post_type=help&p=4961"},"modified":"2026-01-26T07:02:47","modified_gmt":"2026-01-26T07:02:47","slug":"how-to-select-a-sim-card-for-outgoing-sms","status":"publish","type":"help","link":"https:\/\/numbustapp.com\/el\/help\/android\/sms-text-messages-android\/how-to-select-a-sim-card-for-outgoing-sms\/","title":{"rendered":"How to Select a SIM Card for Outgoing SMS"},"content":{"rendered":"\n

For dual-SIM users, NumBuster offers two options: automatically sending SMS from a single primary phone number or prompting for a SIM card selection before each message is sent.<\/p>\n\n\n\n

    \n
  1. From the NumBuster home screen, go to Settings<\/strong>.<\/li>\n\n\n\n
  2. Select Calls and Widgets<\/strong>.<\/li>\n\n\n\n
  3. Tap Phone Number for Calls<\/strong>. In the window that appears, select one of the following options:\n
      \n
    • Always ask<\/strong> (The app will prompt you to choose a SIM card every time).<\/li>\n\n\n\n
    • One of your phone numbers<\/strong> (This specific number will be used automatically for all outgoing SMS).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
      \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

      For dual-SIM users, NumBuster offers two options: automatically sending SMS from a single primary phone number or prompting for a SIM card selection before each message is sent.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"help_category":[467,552],"help_platform":[],"class_list":["post-4961","help","type-help","status-publish","hentry","help_category-android","help_category-sms-text-messages-android"],"acf":[],"yoast_head":"\nHow to Select a SIM Card for Outgoing SMS - NumBuster<\/title>\n<meta name=\"description\" content=\"\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03ba\u03ac\u03c1\u03c4\u03b1 SIM \u03b3\u03b9\u03b1 \u03b5\u03be\u03b5\u03c1\u03c7\u03cc\u03bc\u03b5\u03bd\u03b1 SMS \u03c3\u03c4\u03bf NumBuster \u03cc\u03c4\u03b1\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03bc\u03b5 \u03b4\u03cd\u03bf \u03ba\u03ac\u03c1\u03c4\u03b5\u03c2 SIM \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03c4\u03b7\u03bb\u03b5\u03c6\u03ce\u03bd\u03bf\u03c5 \u03c3\u03b1\u03c2.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Select a SIM Card for Outgoing SMS - 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