How do I raise a unit's Job Lv.?

Each unit has three Jobs—a Main Job and two Sub Jobs. They can be unlocked by awakening the unit.

Job Enhancement
Various enhancing materials can be used to increase a Job Lv., but the materials needed will depend on the unit's level.
*Units must reach a certain level before their Job Lv. can be raised.

In order to enhance the Job Lv., go to the Units page and tap on Job Enhance.

Each Job Lv. requires a certain Unit Lv. and materials.

Job Lv. 1: Unit Lv. 1
Job Lv. 2: Unit Lv. 2
Job Lv. 3: Unit Lv. 3
Job Lv. 4: Unit Lv. 4
Job Lv. 5: Unit Lv. 5
Job Lv. 6: Unit Lv. 6

*Raising a unit's Job Lv. boosts its stats.
*You can tap on the Job icon to switch to and enhance Sub Jobs.
*Achieving a certain Job Lv. can also make it possible to unlock more spaces on the unit's Ability Board.