How many EIP's can be on one line?

nicks786

    Im still paying off my current iphone 7 on EIP from last year which was also pre ordered on the first day. Can I pre order the iPhone X on the same line and start a new EIP and pay both together? I called customer service and they said I was able to, but on this website New iPhone X Release Date | Pre-Register for iPhone X | T-Mobile  on the last FAQ question its telling me only EIP device is allowed per line. Customer service told me it doesnt matter how many devices you have on EIP per line because T-Mobile gives a certain amount of credit that is allowed for EIP per account and as long as your in that limit you can EIP as many devices as you want.

     

    What is the correct answer for this? I dont want any issues when I pre order.

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