I applied in-person. The process took 2 days. I interviewed at T-Mobile (Boston, MA) in Jan 2015
Interview
Submit the resume. Called for interview which was 1 to 1. Only few questions were asked like why do you want to work here?, whats your educational background?, Do you know settings of Cellphones?
Are you good with using phones? you know the result the same day if they want to hire you or not.
I applied online. The process took 5 days. I interviewed at T-Mobile in Aug 2013
Interview
Complete a over the phone interview, will revive an email with further interview process. If selected you go through a Two weeks paid training, you spend the last few days doing hands on training
I applied through an employee referral. The process took 2 weeks. I interviewed at T-Mobile (Detroit, MI)
Interview
It was a couple of questions, they were very nice. Listened to everything you had to say and followed up with you whether you got the job or not, they had the decencyto call you and let you know. The process for me to about two weeks.