In today’s digital age, mobile phone numbers have become an indispensable part of our daily lives, especially when we need to receive SMS verification codes for identity authentication. However, when traveling abroad or living overseas for an extended period, international roaming fees can be exorbitant, and signal coverage may be poor, causing inconvenience. To address this issue, the Singapore Singtel SIM card stands out with its unique advantages, becoming the preferred choice for many users.