It seems that their networks are incompatible.
It may take two years to complete the upgrade…
FRANKFURT/NEW YORK (Reuters) – T-Mobile USA, which plans to merge with MetroPCS, will have to overcome technology hurdles to be able to take on bigger rivals Verizon Wireless, AT&T Inc and Sprint Nextel Corp.
MetroPCS and T-Mobile USA, a Deutsche Telekom unit, said on Wednesday they hope to set themselves up as the leading provider of wireless services to cost-conscious U.S. customers by combining their assets.
Read More: Merged T-Mobile USA, MetroPCS
By Harro Ten Wolde and Sinead Carew/Reuters Canada