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How to Set Your Primary SIM Card for SingTel, StarHub and M1 Multi-SIM Card Users

For those multi-SIM card users who needs a quick reference to set which of your multiple SIM cards as your primary SIM card, type the following on your phone that you want to set as your primary multi-SIM phone:

SingTel: Dial *141# and press send.
StarHub: Dial *118# and press send.
M1: Dial *136# and press send.

About Justin Lee

10 comments

  1. Hi Can i know if i have two multi Sim Card, can both of the Sim Card receive message?

  2. Hi 
        Is there an Android App that show me if the phone is currently a primary. I switch phones when go jogging or go office, many time forget to set primary. End up with people complain not picking up calls or not returning SMS.

       Thanks in advance !!  

  3. Thanks alot!!! it really helps

  4. Google brought me here :)

  5. Thanks Justin!

    I cant believe I can find this info on the Telco’s website but I had to find it on yours.

  6. Thanks for the info. Its hard to believe that its such a pain to find this on the Singtel website. Fail!

  7. How I can activate the old sim card

  8. How about checking if this card is primary or secondary? Starhub is *119#. What abt Singtel? Anyone knows?

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