3/ SIM PIN
Turn on SIM PIN to avoid potential SIM swap attacks.
By setting up a SIM PIN, your SIM card will automatically be locked every time you restart your device or remove the SIM card. This way, you can prevent unauthorised access to your phone number.
3/SIM卡PIN码
打开SIM PIN以避免潜在的SIM交换攻击。
通过设置SIM PIN，您的SIM卡将在每次重新启动设备或取出SIM卡时自动锁定。这样，您可以防止未经授权访问您的电话号码。