crwdns2933423:0crwdne2933423:0

crwdns2933803:04crwdne2933803:0

crwdns2933797:0Beicheng Zhucrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Beicheng Zhu

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

crwdns2933807:0crwdne2933807:0

-[* black] Step 4. These two screws are used to fix the protective case of the circuit board. Unscrew them with a 3mm head screwdriver.
+[* black] These two screws are used to fix the protective case of the circuit board. Unscrew them with a 3mm head screwdriver.