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MetroPCS discounts new lines and offers free phones

It's offering markdowns and freebies for anyone switching to the prepaid service.

MetroPCS unveiled a series of promotions for the summer. 
Greg Sandoval/CNET

MetroPCS is putting out the welcome mat to new customers. 

The prepaid service, a unit of T-Mobile, said existing customers with a $40 6-gigabyte plan can add new lines for $25 -- a $5 discount from the normal price. The company is also offering its unlimited-data plan for $50 a month, or two lines for $80.

If you opt for unlimited data, you'll get lower, DVD-quality video and no hotspot capabilities, and you'll see slowdowns after 32 GB of data. 

In addition, MetroPCS is offering two LG K20 phones for free after an instant rebate. The LG Stylo 3 Plus is half-off at $84. All other devices that are $99 or less are half-off when you add a line.