ADI Band 4. Theory Test Home ADI Band 4 Theory Test ADI BAND 4 Explained Free ADI BAND 4 ADI BAND 4 Quick Quiz ADI BAND 4 Quick Quiz 2 ADI BAND 4 Flip Book ADI BAND 4 Flip Book 2 To see Bands 2, 3, 4 explained in full upgrade to Premium Just £14.95 for 12 months Click Here UPGRADE Contents1 ADI Band 4. Theory Test1.0.1 ADI BAND 4 Explained1.0.2 Free ADI BAND 41.0.3 ADI BAND 4 Quick Quiz1.0.4 ADI BAND 4 Quick Quiz 21.0.5 ADI BAND 4 Flip Book1.0.6 ADI BAND 4 Flip Book 21.1 To see Bands 2, 3, 4 explained in full upgrade to Premium