If a SIM card’s data allowance is exceeded, the user may experience a reduction in data speed, or in some cases, the data connection may be completely cut off until the next billing cycle begins.
This depends on the user’s service provider’s policy, which may vary. Some service providers may charge extra fees for exceeding the data allowance, while others may allow users to purchase additional data packages to avoid any interruption in service.
It’s important to monitor your data usage regularly to avoid exceeding your allowance, as this can lead to unexpected charges or loss of service. Most smartphones have built-in data usage trackers that can help you keep track of your usage and avoid going over your limit.