26. Take out 2nd screw on the metal 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..

                  ..I/O Cradle Connector (16 Pins) for Symbol MC3090 series..

30. You can seperated the Metal cover now..