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Samsung Galaxy S8 Plus Cannot Boot Up

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Defect Phenomenon

Samsung galaxy S8 Plus Cannot Boot Up,  just suddenly stopped working during normal use.

 1

Troubleshooting

Disassemble the phone and connect with DC power supply, find large current.

 2

 After measuring, we find it’s VPH_PWR get to GND.

 3

 

Then use rosin inspection method, apply DC power to find out the shorted component.

It’s a filter type capacitor C3018 which related with VPH_PWR power supply get shorted.

As we can see, it’s just located around the Wi-Fi chip.

 4

 5

6

Just tick it off directly, then test.

The phone can boot normally, the boot issue get resolved.

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