Nokia X3 - If you're looking for a cheap phone, you have to accept the fact that the manufacturer is going to cut some corners to achieve that low price and you aren't going to get the same speed, features, and display quality as you might with a phone costing two, three, or even four times the price.
the S9+ benchmarks very well, well we have collected a lot of data from the field directly and from many other blogs so very complete his discussion here about Nokia X3, on this blog we also have to provide the latest automotive information from all the brands associated with the automobile. ok please continue reading:
Here's a solution that may possibly help fix and
repair Nokia X3 Failure of LED backlight on keypad and
LCD screen display. This solution completely shows the lines paths and particular components that may need
to check and replace if the LED backlight failed to light up.
Nokia X3 No LCD and keypad backlight LED repair solution
There is a fusible
resistor is been connected to the LED backlight circuit in case a short circuit occurred if the device is being damaged by a liquid (Wet Damaged).
See solution above marked with number 1. That resistor is the one feeds the power supply from the phones battery.
If that resistor is open both keypad
and LCD display LED's will not light up for it is the main LED supplying positive voltage.
The negative current or voltage has two circuits, one for the LCD
(marked with number 4) and the other one is for the keypads (
marked with number 3).
You may check / replace each particular corresponding connected components highlighted on the picture for further troubleshooting.
Nokia X3 LCD and keypad backlight LED failure solution