# For this part you should have some time. It will be very worse when damaging the Hifiberry!
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# First of all: cut the 2*25 pin-row to 2*20 pin (perhaps with a cutter).
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# Place the pin-row on the Hifiberry and start to solder on the back of the Hifiberry. I used to solder pins which are not next together to avoid hot spots. You also can pause some time for cooling down the area you soldered last.