T-Mobile US Inc. is considered one of the most undervalued telecom stocks to invest in. The company recently finalized a $4.4 billion deal to acquire UScellular, including customers, stores, and spectrum assets. T-Mobile has increased its synergy expectations to ~$1.2 billion and plans to achieve these synergies in ~2 years, faster than initially expected.

In Q3 2025, T-Mobile anticipates financial impacts from the UScellular acquisition, including ~$400 million in service revenue and about $125 million in Core Adjusted EBITDA. The acquisition is expected to impact T-Mobile’s consolidated Postpaid ARPA by ~$1.50 in Q3. T-Mobile provides wireless communications services in the US, Puerto Rico, and the United States Virgin Islands.

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Read more at Yahoo Finance: T-Mobile US Increases Synergy Expectations, Accelerates Integration of UScellular Acquisition