10 Take out screws on the Bottom of Back Cover

.9. Take out 2 screws which near the Sim card connector..

.8. Seperated the Keypad successfully..

.7. Pull and take out the keypad..

.6. Take 2nd screw inside and near the battery connector..

.5. Take 1st screw inside and near the battery connector..

Back Cover ( Non-camera, Straight Shooter Version )  Replacement for Zebra MC3400, MC3450 ..

Keypad Bezel Cover (28-Key) for Symbol MC3100 ..

30. You can seperated the Metal cover now..

Scanner lens ( Version 1 ) Replacement for Zebra All MC3400, MC3450 series..

    ..I/O Cradle Connector (16 Pins) for Symbol MC75A0, MC75A6, MC75A8..