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Mobile phones may turn off and not turn on for various reasons, which may be a hardware or software problem, which can be determined by specialized troubleshooting. 🧐 🗣️In this tutorial, you will learn the skills of specialized troubleshooting and powering off phones ✅ This part is a session of specialized mobile phone repair training at Paul School✅ _____________________________________________ If you are interested in specialized mobile phone repairs, you can get Paul School's specialized courses from the link below🗣️ https://bit.ly/4dHgO8W _____________________________________________ 00:00 Introduction 00:55 Why do we power up? 1:26 How to power up a healthy phone 03:57 Powering up a faulty phone and checking it 05:01 Checking the power switch and its path 06:59 Checking and measuring the voltage of the power supply IC 10:09 How to fix the dead tin of the power supply IC