This method has relatively high requirements on the mobile phone and the environment, but the effect is the best and the most hidden. The premise is that the mobile phone must have wifi wireless Internet access function, and there must be an available wireless network around. After searching for and successfully connecting to an available wireless network with your mobile phone, you can still surf the Internet even if your mobile phone has no signal or data. At this time, you can find the answer you can't find on Baidu. If you want to send the answer, you can play whatever you want with qq. A super perverted approach. It is suitable for students who are not more than 50 meters away to pass answers to each other. Install cell phone jammer to ensure that the signal cannot be used for a short time, and you can also test two adjacent classrooms by yourself. Install bluetooth software like bluetooth hacker on your phone, and then both sides turn on bluetooth visibility. In the software options, there is an option to force messages to be sent via Bluetooth. Enter the answer and force it to send, all bluetooth phones with visible turn on will receive the answer, and one person will send it to the whole class to share. It should be emphasized that Cell Phone Signal Blocker Homemade some models of mobile phones do not seem to be able to adjust the frequency. You can change the network mode from automatic to manual, it will search for the network, don't select it if you find it, just return, and you will find that the signal is full in an instant. Of course, it also depends on the performance of the mobile phone. A one-second signal, but enough to send and receive text messages.
Mobile phones have changed the way people communicate and live. Children use mobile phones to play games and surf the Internet, ignoring the importance of learning. Students use mobile phones in class, and teachers are interrupted when allocating time. Considering cohesion, it is not conducive to future students. It is irresponsible for students to use mobile phones, irresponsible for parents, and irresponsible for the future. Therefore, a teacher suggested to install a Cell Phone Signal Blocker Homemade in the classroom, which works very well.
