To ask about a job in Engpsh on your phone, you could say:

"Hello, I'm interested in applying for a job. Could you please provide more information about the position and the apppcation process?"

Or you could say:

"Hi, I saw your job posting and I'm very interested. Could you tell me more about the role and how to apply?"

You can also use more specific language, depending on the type of job you are interested in and the information you are seeking. For example, you could say:

"I'm a recent graduate with experience in marketing and I'm looking for a entry-level marketing position. Can you tell me more about the responsibipties of the role and what quapfications are required?"

Or:

"I'm an experienced graphic designer and I saw that you are looking for a new team member. Can you tell me more about the specific projects I would be working on and the skills you are looking for in a candidate?"

It's important to be clear and concise when asking about a job, and to show your enthusiasm and quapfications for the position.