How to find hidden service test menu for Samsung galaxy A3
If you want to test your Samsung Galaxy, you can do this with the Service Test menu. There are two Test menus.
Samsung Galaxy A3 2016 Glass Replacement
Find out how to replace the glass in Samsung Galaxy A3 2016 by watching video guide.
Samsung Galaxy A3 2015 A Glass Replacement
To complete the repair follow instructions from the tutorial. If you need any further info feel free to comment below the video.
How iPhone X Boot Circuit Works – Logic Board Repair Online Course
The boot circuit can be regarded as logic board trigger circuit. To have the phone turned on, working conditions like power supply, clock signal and reset signal are indispensable. What’s more, CPU has to get key components into power-on self-test process and get the bootstrap imported. Since there are so many components involved in the… Read more »
