Multimeter used for phone repairs is to find the fault point on cellphone motherboard. The most common functions we use are on-off measuring, voltage measuring, and resistance to ground measuring. How do you use a multimeter for phone repairs with the different functions? VIP FIX Shop Team will show you the details as your reference. On-off Measuring What is on-off function? For example, if we test a wire, then I want to know whether the two sides are connected, whether it is powered on or off, then we can adjust to the buzzer button of a multimeter for measurement. In other words, when two test leads touch an object at the same time, it will ring. Voltage Measuring Measuring voltage is also easier to understand. For example, if I want to know the voltage of the battery, or when you want to know the output voltage at one specific point when you are measuring a mobile phone motherboard , we can adjust the knob of the multimeter to the buzzer voltage r...