crwdns2933423:0crwdne2933423:0

crwdns2933803:01crwdne2933803:0

crwdns2933797:0YUJIE WANGcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 YUJIE WANG

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

[* black] First, remove the back lid with a type 1 screw head from ifixit toolkit. The battery is the big black block at the left part showed in the graph.
-[* black] Second, use type 1 screw head to remove the screws around the battery
-[* black] Third, slightly remove the tapes on the battery.
-[* black] finally, slightly disconnect the wire, and you can take the battery out!