How to clean Non-functoning buttons on remote

crwdns2936025:03crwdne2936025:0 —

crwdns2935483:0crwdne2935483:0

Top and bottom shell of the remote are held together by 4 latches per side. The most fore and aft ones are located about 1cm from each end

Pry them open with a small flat head. If you're carefull that will leave only tiny scratches, but it does take some force

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0

crwdns2935431:0crwdne2935431:0