Where can I set the SMS center number of Nokia 12?

step 2: find "information settings" in the "information" option;

step 3: find "sending mode" in "information settings";

step 4: find "mode 1" in "sending mode";

step 5: find the "information center number" in "mode 1";

step 6: after selecting "information center number", enter the local information center number (PS: the number of information centers varies from place to place);

over!