Telephone & Data Systems Inc. (TDS) is undergoing a significant structural transition, shifting its core value from legacy wireless retail toward fiber-optic infrastructure ownership and tower assets. The company's Q1 2026 results demonstrated a sharp turnaround to profitability, heavily driven by a $150.9 million book gain from the $1,018.0 million sale of wireless spectrum licenses. While fiber expansion continues with momentum (reaching 1.1 million marketable addresses), legacy copper and cable market headwinds persist, guiding telecom revenues toward the lower half of full-year expectations. Furthermore, TDS's non-binding proposal to acquire all outstanding shares of Array Digital Infrastructure in an all-stock transaction introduces valuation and integration complexities. Given these moving parts, a Hold recommendation is warranted until there is greater clarity on the execution of the fiber buildout and the finalization of the Array buyout.