Einleitung
If the Sony Xperia XA2 Ultra is not showing any sign of being connected to a set of corded headphones or an auxiliary cord, then the headphone jack might need to be replaced.
Before taking any steps to open the phone, make sure that it is turned completely off.
Be aware that when using a heat gun (or something similar) that the device will heat up. Continue with caution.
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Heat the edge of the phone with the heat gun (recommended) for 30 seconds.
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Use the hair dryer on the highest setting, constantly going around the phone to heat all of the edges.
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Apply the suction handle near an edge of the phone and pull upwards while trying to get an opening large enough for an iFixit opening pick.
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Pry upwards with the pick to start pulling the rear cover off the adhesive it’s attached to.
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Insert a second pick once there is enough room.
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Take one of the picks and try to slide it down the side of the phone, pulling more of the cover off the adhesive.
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The iFixit opening tool may also be used to gain better leverage.
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The rear cover will pop off.
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To reassemble your device, follow these instructions in reverse order.
