Several factors make the SIM card need to be activated after rebooting the Xiaomi smartphones, such as network connection, carrier settings update, software malfunctions and SIM card issues.
To check out the issue, please refer to the following details:
1. If your phone needs to re-establish a connection with a network, reactivation or a fresh signal acquisition is required;
2. The SIM card needs to update carrier settings or configurations after a reboot to ensure proper connectivity and service;
3. Temporary software issues or glitches can sometimes cause the phone to not recognize the SIM card immediately after a reboot, necessitating reactivation;
4. Some network providers have specific protocols or requirements that necessitate reactivation after rebooting.