crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

crwdns2933803:02crwdne2933803:0

crwdns2933797:0May Lincrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 May Lin

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

crwdns2933807:0crwdne2933807:0

[* black] Flip the 4520s over and rotate it so the back is facing you.
-[* red] Use a metal spudger to peel off the two rubber caps located on either side of the battery port.
+[* red] Use a metal spudger to peel off two rubber caps located on either side of the battery port.