What is the mobile phone motherboard like?

What is the mobile phone motherboard like? Mobile phone motherboard is the main circuit board of mobile phone. There are three main parts on the mobile phone motherboard: baseband chip and power management chip: responsible for coding; RF processor and RF power amplifier: responsible for transmitting and receiving signals; Other CPU memory controller touch screen Bluetooth WIFI sensor, etc.
There are also microphones, headsets, speakers, cameras, screens, connectors, etc. These things are welded on a circuit board, and the whole circuit board is called mobile phone motherboard. Mobile phone motherboard function: integrate mobile phone operation management.
Extension: There is also a flat cable coexisting with the mobile phone motherboard. The flat cable is something that can see orange light and black lines at the bottom of the screen after opening the phone. Causes of mobile phone mainboard failure: The first major cause of mobile phone mainboard failure is liquid intrusion: including mobile phone falling into water and accidental falling into other liquids;
Use mobile phones in extreme environments; Electrostatic breakdown of mainboard components; Accidental fall; The transient current of the main board increases, which is mainly caused by battery short circuit and other faults; Use a mismatched charger.