Nokia Lumia 800,Nokia problems

How to Solve Nokia Lumia 800 Power Problem?

How to Solve Nokia Lumia 800 Power Problem?

Following is the set of all the possible Nokia Lumia 800 power problems:


  • Lumia 800 not turning ON.
  • Phone heats up even when power is turned OFF, and also it does not power ON.
  • Randomly Powers OFF itself.
  • Phone turns OFF when any specific application is accessed.

Reasons of Problems

  • Problem might be with your phone’s battery.
  • Any app might be causing power problems in your phone.
  • Voltage at battery’s terminal might be lower than the standard voltage.
  • Phone components might be water damaged.
  • Power button strip might be faulty.
  • Circuits might be short.
  • Power IC may be faulty.


  • Charge your phone for around 15 – 20 minutes and try to turn it on again, however make sure that phone battery is charging properly.

For Random Phone OFF or When App is Accessed

  • Hard reset your phone and check.

Phone Turns OFF When Any Specific App is Accessed

  • Uninstall that app which is causing the problem and check.

Tools Required

  • Soldering Gun.
  • Heat Gun.
  • Star Screw Driver and Plastic Separation tool for disassembling your phone.
  • Multi meter.

Hardware Solution

lumia 800 battery

  • The very first thing that you need to do is to check voltage at battery’s terminals, but make sure that you charge your phone’s battery for at least 15 minutes.
  • If the voltage at the battery terminals is lower than the standard one than change your phone’s battery and check.

lumia transistor capacitor

  • Now check battery connector for any traces of water damage, if there are traces of water damage than clean it.
  • Re-solder battery connectors and check. You have to re-solder batter connectors either it was found to be water damaged or not.
  • In case battery is charging properly but phone is not turning ON then the next thing that you need to do is to replace power button strip, as this might also be the cause of problem. After replacing power button, check the status of problem. (Power button strip also includes Volume buttons and Camera button).
  • Check all the capacitors for any kind of water damage or whether they are short or not, in case any of them is water damaged or short, replace it.
  • Now Check the continuity of Capacitor – 1 with the +VE terminal of battery, if there is no continuity then replace Capacitor – 1.
  • Check Transistor with the help of a multi meter; replace it if it is found to be faulty.

lumia power amp ic

  • Now check connection between Capacitor – 2 and +VE terminal of the battery, replace it if it is found to be fault.
  • If you have replaced Capacitor – 2 and it is still found to be faulty then you need to change Power AMP IC, as this might be causing the problem. Gently heat Power AMP IC and Check, if it is still giving the same issue, replace it.
  • If you are facing similar issue even after replacing Power AMP IC, then it means your phone’s board is water damaged. Inspect your entire phone’s board for any traces of water damage, clean all the affected areas and check. This should solve the problem.


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