According to different models and settings, there will be different trigger methods when using Huawei watches. For HuaweiWatch3, after turning on this function in fall detection and SOS, you can automatically enter the distress mode. Huawei children's watches need to press the FUN key for a long time or the HOME key for a short time. In any case, it is necessary to maintain a good network signal so that you can quickly connect to the network and send the requested information.