Hi @LIUWENJUN , please send us a private message with your TPG customer ID, Mobile Service Number (MSN) and complete address so we can take a look at your account.   To send a PM, please refer to this link: How do I private message (PM) in the community    If your concern is about TPG Mobile Singapore service, you may send them an email to Singapore Mobile Team at support@tpgmobile.com.sg or visit their Facebook Page at https://www.facebook.com/tpgmobilesg/ ... View more