1, because of the signal interference problem. Now most of the wireless routers on the market are 2.4G frequency, and now more and more people around you are using wireless routers, which causes mutual interference
2. Check the network environment. Check whether the network signal is too poor or unstable. When someone occupies a large amount of bandwidth, the mobile phone is generally the first to be affected, which may be a problem with the mobile WIFI function, you can try to turn off and then turn on the mobile WLAN function.
3, in some equipment, the channel used by the wireless router has a certain strict, the use of an infrequently used channel may be very slow, or even a connection disconnected, at this time we should change the wireless channel of the router to 6 or 9 and other commonly used channels.
4, weak signal in mountainous or low-lying areas (no signal area). Solution: Go back to the city or climb up the Peak Road.
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5. Start in battery protection mode or flight mode under low voltage. Solution: Replace the battery or turn off airplane mode