If the car is in an underground parking lot, high-rise buildings, etc., there may be problems with poor or impossible positioning. After you have to leave this area, the weak gps signal will return to normal on its own.

　　If the AutoNavi map of the car version has always been in this situation, then the navigation bar must be disassembled to find the gps control module and installed on the b-pillar. Since it is possible to receive gps signals, it can be handled by installing it on the b-pillar.

　　Solution for weak GPS signal of AutoNavi map on mobile phone

　　Different smartphones are used in different ways. The development of the following applications on two mobile phones shows that other brands of mobile phones must operate according to the specific conditions on their own mobile phones.

　　Method 1 (on Huawei Honor mobile phone)

　　1. Open the installation function of the mobile phone, find the "Security and Privacy" option in it, and click to enter.

　　2. After entering, select the "Mobile Location Service" option, and set the precise positioning method to "Apply GPS, WLAN and Mobile Internet", which can reasonably handle the problem of weak signal.

　　3. You must also move down to find the "Gode Map" APP, click to enter, select the management authority in it, and turn on "your part".

　　Method 2 (iPhone)

　　1. Open the installation function of the mobile phone and find the "Personal Privacy" option in it.

　　2. After entering the mobile web page, find "Mobile Location Services", and click to enter.

　　3. Turn on the power switch of the mobile location service in it, and then move to the bottom to find the AutoNavi map APP.

　　4. Set the allowable browsing location information to "From beginning to end, you can deal with the problem of weak gps signal.

　　It must be noted that the priority selection application offline navigation must be turned off in the Gaode map.

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