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crwdns2936071:01crwdne2936071:0 — required material
Get a new battery. The original name is: AHB572535PST and has the following specifications: 3.7V, 500mAh, 2 Wh.
crwdns2936071:02crwdne2936071:0 — Turn off your device
Turn off your device (switch on the headset to OFF)
crwdns2936071:03crwdne2936071:0 — Loosen the screw
Loosen the screw on the side without the microphone (arrow) using a T4 screwdriver.
crwdns2936071:04crwdne2936071:0 — opening the case
Now comes the hardest part: You have to unlatch the earpiece. This requires a delicate touch and patience!
crwdns2936071:05crwdne2936071:0 — Disengage the earpiece
Don't force it, just try to find the right twist ;-)
crwdns2936071:06crwdne2936071:0 — Remove the battery holder
Loosen the three screws with a T6 screwdriver
crwdns2936071:07crwdne2936071:0 — Remove the old battery
unplug the old battery
crwdns2936071:08crwdne2936071:0 — Insert new battery
attach double-sided tape to fix the battery on the cirquit board
crwdns2936071:09crwdne2936071:0 — Assembly
Fix the black cover with three Torx T6 screws.
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