Mobile Hardware Troubleshooting

Repairing mobile is not an easy task. It requires lot of concentration and effort as mobile parts are sensitive. Mobile repairing course is easy when you do each and everything with precision. In order to repair any kind of mobile you should be aware of what are the different components of mobile. Basic hardware knowledge is enough to identify the problems that are there in mobile. Read on to know more about mobile hardware troubleshooting.
Interested to learn about mobile repair make sure you should be aware of terms like model number, manufacturer details, hardware and software of mobile, serial numbers, what does IMEI number stands for etc. That’s the basic information every mobile technician should be aware of. Moving on to advanced things mobile technician should be aware of hardware components like mother board and its components. This knowledge will help you identify missing components from mobile device.
Minor Repairs
Mobile technician should be aware of minor problems they comeacross on regular basis. Make sure you check each and every functionality of mobile phone and identify the problems.
  • No audio reception – If there is a problem with speaker or earpieces make sure you locate the speaker and earpiece and remove the old one. Clean the surface with flux and replace small components that are required to be changed.
  • No audio transmission – Locate mic and mouth piece and check whether its is working or not. Use multimeter to check the functionality of the mic. If you observe some fault make sure you replace it with new one.
  • Phone not ringing – If mobile is not ringing for incoming calls make sure you check buzzer. Perform different tests using multimeter. If its faulty replace it with new one. Before fixing the new one make sure you clean the small components and mobile board surface with flux.
  • display malfunction – If there is any problem with display make sure you check LCD. Check the jumpers and interface. If you find LCD damaged make sure you replace it with new one.
  • Insert SIM card problem – If you see insert SIM card problem make sure you replace it if you find it damaged. Or else you can apply jumpers to get rid of the problems.
  • keypad malfunction – Check the casing of your mobile keypad. If you find the casing or keypad kit damaged one than make sure you replace it with new one. Don’t forget to clean the mobile keyboard surface with flux and dry it hot air blower.
Major repairs – Major problems affect the functionality of mobiles. As a mobile technician you should be aware of major problems like,
  • Automatic shut off – This problem might come due to battery failure. Make sure you check it whether its good using multimeter. If its ok than check battery terminal, if they are damaged then replace it.
  •  Water damaged – This is the most common problem that you might come across as a mobile technician.  Dis assemble mobile totally. Use thinner to clean the surface and apply the brush. Use hot blower and dry the surface of mobile. Assemble it and that’s it mobile is ready to use.
  • Battery not charging – If mobile is not getting charged make sure you check the charger. Use multimeter to check the functionality of charger. If its ok move on and check battery and battery terminals and find out the fault. If battery or battery terminals are not working make sure you replace it with new one.
  • No power and signal disturbance – If there is a problem with power make sure you replace the mobile battery. Signal problem comes where sim is not working make sure you check the SIM is damaged. If is is damaged replace it new one.