Over twenty years as a repair engineer, specializing in advanced diagnostics, troubleshooting, and repair of electronic devices and gadgets. Expertise spans hardware solutions for smartphones, smartwatches, and cutting-edge electronics, delivering precision and innovation in every technical challenge.


Samsung Galaxy A51 SM-A515

Upon inspection, the main camera turns on, but the screen displays a completely white background. 

However, when switching to the 0.5x mode, a different camera activates, and everything works fine! 

Disassemble the smartphone and test a different camera to ensure it's not the camera's fault! 

Inspect the board for any damage or signs of moisture. If there are no visible issues, it’s often due to a missing power supply to the main camera. 

Take a similar voltage regulator from a donor device and replace the faulty one using a soldering station.

Test the camera again. Everything works perfectly! 👍


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