Samsung Galaxy A40 ISP PinOUT To Remove Pattern, FRP LockRemove Pattern Lock, Screen Lock, Finger Lock in Samsung Galaxy A40 with UFI Box you can easily solve with this method if you are a fresher technician or experienced technician in android software related if the error occurs of USB not recognized then your USB is not working. if a battery is not charged, your USB socket will not properly work and you will fail in this method. if any issues please write your questions in the comment box I will try my best to help you.
Samsung Galaxy A40 ISP Pinout Image:
You need to take the rear case away from your phone. Next, unplug the motherboard from the existing battery, fingerprint sensor, and camera.
Unscrew the screws from the motherboard and take it out and put it in a safe place.
On your motherboard, locate the six eMMC pins. The pins are Dat 0, CLK, CMD, GND, VCC, and VCCQ. You will require to cut through the steel cover to reveal them.
Bring the UFI box and take the adapter out from it. You will see the exact same pins in the adapter I have mentioned in the previous step.
Solder the 4 pins: Dat0, CLK, CMD, and GND with jumpers between the motherboard and the adapter. Left the VCC and VCCQ for the USB to power them out.
Put the adapter inside the UFI box. Connect the box to the computer.
Connect the motherboard to the phone’s battery. Then, put the USB cable on the phone and connect it to the computer.