To select faces
- In the Select/Move Tools tray, select the Faces tool
. (Hotkey: V) - (Optional) In the Properties window, set the selection mode you want (Paint
, Lasso 
, or Region 
). - In the 3D View, drag on the faces you want to select.
Tip: Press Shift + S to select single faces regardless of tool size.
Tip: To select a face without exiting the current sculpting tool, press the hotkey V while sculpting the selection, then release the V key when you are finished. This behavior works with all tool number hotkeys (1, 2, 3, and so on).
To select all faces on the current subdivision level
- In the 3D View, position the cursor over the model at the subdivision level you want to select (use Page Up or Page Down to display the subdivision level you want), then press Shift + A.
To deselect faces
- Click an empty area of the scene.