Sennheiser Momentum Wireless M2 AEBT Battery Replacement

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Using a sharp knife, carefully remove the clear plastic stickers covering the screw holes, and save them for later. Use the #0 Philips screwdriver to unscrew the four 8mm long screws.
Grab the cover and carefully pull off to view inside of headphone.
NOTE! There is a small wire from the mainboard to the outer shell which remains attached to the headband. This is the NFC pairing wire and if broken the NFC functionality will be lost.

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