Introduzione
Changing the USB port for this model is tricky.
One option would be to replace the connector only, but a resin glue makes it difficult to unsolder the USB connector.
I therefore decided to replace the entire PCB.
However, but this proved to be also really tricky because the PCB is a rigid-flex board with a lot of very tiny flex parts, and I ended up braking the flex part around the jack connector while attempting to remove the PCB. I also damaged the screen while attempting to lift the glass.
So carry out this procedure with great caution!
Cosa ti serve
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Insert a SIM card eject tool, a SIM eject bit or a straightened paper clip into the hole on the SIM tray located at the left side of the phone.
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Press firmly to eject the tray.
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Remove the SIM card tray.
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Prepare an iOpener and apply it to the back cover to soften the adhesive.
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Insert the tip of an opening pick between the frame and the back cover at the bottom of the phone near the USB-C port.
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If you can't get between the back cover and midframe with your opening pick, you can use a suction handle or strong tape to pull up the back cover to create a gap.
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Slide the opening pick to the bottom right corner and leave it there.
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Use the flat end of a spudger to pry up and disconnect the display flex cable on the bottom of the phone.
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Prepare an iOpener and apply it to the display for at least two minutes to loosen the adhesive beneath.
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Insert a plastic card on the left edge into the gap between display and the phone assembly.
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Press the plastic card in and slide it back and forth until you cut through the entire adhesive.
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Once you are sure you cut through the adhesive, remove the four opening picks from the corners.
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Disconnect the antenna connector at the lower right
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Use a spudger to disconnect the main board connector from the rear side of the PCB.
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Use the flat side of the spudger to unglue the microphone from its compartment. Be careful not to break the flex part.
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Peel off the PCB from its compartment and lift it to the other side without pulling.
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Proceed element by element, trying not to break the flex parts. Here you’ll notice I broke the flex surrounding the jack port.
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Take care not to damage/disconnect the two flex cables connected to the buttons at each end of the PCB (circled in red on the photo)
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Remove or raise the glass on the other side of the phone.
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Peel off the two button connectors.
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This is a view of the entire replacement board.
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Note the flex parts circled in yellow on the photo: those are the most fragile parts of the PCB.
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Place the new USB board in its casing
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Plug the connector to the main board, below said board
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Remove stickers from glued parts on new board
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Remove the previous while filtering sticker under the buttons
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Glue both backlight elements into their casing
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At this point, there are 17 screws to be reassembled at the back of the phone
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Glue screen and back cover back in place
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Follow the instructions in reverse order to assemble the device.
Follow the instructions in reverse order to assemble the device.
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