The G Phrygian scale on ukulele consists of the following notes:
Every scale follows a specific pattern of intervals (steps). The Phrygian scale is built using the interval formula: 1 - 2 - 2 - 2 - 1 - 2 - 2. On the ukulele, because of the shorter fretboard and 4 strings, mastering these patterns is a great way to improve your improvisation and melody lines.