The Uncarrier network is once again making waves on the mobile carrier industry. This time the Pink Team is knocking on the doors of Sprint. T-Mobile is offering Sprint customers a $200 bill credit should they decide to switch.

T-Mobile, the third largest network in the United States, said on Wednesday that any wireless customer switching to its network from Sprint or any of Sprint's prepaid brands, such as Virgin Mobile and Boost Mobile, will receive an additional $200 bill credit.

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The $200 bill credit will be added on top of the $650 that T-Mobile promises to cover for any early termination fee or any additional payment the customer should pay in case they disconnect with Sprint. Another interesting part of T-Mobile's new deal is that it does not require customers to return their old devices.

According to CNet, this promotional offer is part of T-Mobile's holiday blitz, which the company announced earlier this week. The new deal from T-Mobile simply means that the competition between mobile network providers is heating up.

The T-Mobile Uncarrier marketing campaign, which has been raging on for more than two years, has significantly lowered the prices of mobile services and completely changed the mobile network platform.

According to Phone Arena, through its crafty marketing campaign, T-Mobile was able to overtake Sprint as the third largest U.S. carrier early in 2015.

A week prior to the launch of T-Mobile's latest promotion, Sprint reintroduced a promo that gives customers from other networks 50 percent discount relative to their previous network's plan.

T-Mobile CEO John Legere lambasted Sprint's new promo as a sign of desperation.

Using his trademark colorful insults, Legere went to social networking sites and posted, "I cannot think of any wireless customers in more desperate need of some holiday cheer that those Sprint customers still hanging on over there. Those poor people have put up with the nation's slowest and smallest LTE network." 

TagsT-Mobile, T-Mobile Uncarrier, Sprint, Sprint Mobile, T-Mobile gift card, T-Mobile Bill Credit, UnCarrier, Uncarrier network, T-Mobile promo