Should I take my phone into the bathing area?
It is more practical to leave it securely with your belongings. Water, heat and other guests' privacy make the treatment area a poor place to use a phone.

Related questions
Can I take photos inside a hamam?
Ask staff first. Never photograph other guests or treatment areas without permission; an attractive room is still a private bathing space.
Are lockers available for valuables?
Ask the venue about secure storage before arriving. Bring only what you need and keep the key or access method as instructed by staff.
Can I rest after my hamam treatment?
Allow time to dry, change and sit before leaving. Confirm how the venue handles its rest area rather than scheduling another activity immediately after treatment.