Mobile repairing course starts from basic level and it is easy ( display removal, glass removal, mic, speaker and battery changing) and you want to deep dive mobile motherboard chip level has to learn basic electronics (checking of components such as resistor, capacitor, coil, diode and ic functions), soldering from scratch to bga level (charging connector replacement , ic reballing, ic cleaning and soldering). Highest salary of mobile technician is more than one lakh in singapore, malysiya and in india, mobile phone chip level technician average salary is around Rs.50000. There are four levels is mobile phone repairing course, level one without opening mobile phone diagnosing such as settings, symptoms and previous problems, level two display , glass replacement, chargin connnector replacement, mic and speaker change, level three software installing , boot loops, hanging and final level 4 is ic replacement and reballing.
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