What is the reason why the Philippine smart card has no service?

The Philippine smart card has no service for the following reasons:

1. Bad signal: Smart cards can't get network service because of bad signal, especially in places with bad network signal, such as high-rise buildings and mountainous areas.

2.SIM card damage: The SIM card on the smart card cannot be used due to damage, which is caused by aging, wrong insertion, scratch or pollution of the SIM card.

3. Arrears or downtime: If the smart card user is in arrears or downtime, the card cannot be used, so please ensure that the smart card account has been recharged or the service has not expired.

4. Network failure: The smart card can't get service due to network failure, such as tower failure, network maintenance or upgrade, etc. Smart cards in the Philippines were developed by SmartCommunications, a Philippine telecommunications company, which is one of the largest mobile operators in the Philippines and one of the largest mobile communication companies in Asia.