5 设备是否在频繁重启

5.1 将SD卡拔掉检查SD卡是否有问题

使用SDK工具，提取重启日志，通过重启日志上面分析一下是否存在什么模块一直在重启，导致网络时断时续。

5.2 将SD卡拔掉检查SD卡是否有问题

SD卡有如果是坏的，有可能导致设备运行不正常，CPU占用过高，响应变慢，也有可能一直重启。拔掉SD卡，看设备是否正常。

5 Check whether the device restarts frequently

5.1 Remove the SD card to check whether the SD card is faulty

Use the SDK tool to extract the restart log and analyze whether any module is restarting all the time, resulting in intermittent network.

5.2 Remove the SD card to check whether the SD card is faulty

If an SD card is faulty, the device may not run properly, the CPU usage is too high, the response may be slow, or the device may restart all the time. Unplug the SD card to see if the device is working properly.