Nokia Lumia 620 Loudspeaker Replacement

crwdns2936025:01crwdne2936025:0 —

crwdns2935483:0crwdne2935483:0

Switch off the phone, remove the battery and SIM (Memory) card.
The lower back cover is held by 3x T4 Torx screws.
The screws are of two types!

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

crwdns2935431:0crwdne2935431:0