Yes, AT&T customers, ditch your old unlimited data plan - CNET
Users on family plans from the early 2000s often pay significantly less per line than modern "Premium" tiers. Why Carriers Want You to Switch Oldunlimited.com
Older plans sometimes allow unlimited data sharing (hotspot) without the 10GB–50GB caps common today. Yes, AT&T customers, ditch your old unlimited data
However, the phrase "Old Unlimited" is frequently discussed in the context of from major carriers like Verizon , AT&T, and Xfinity. Below is a comprehensive guide to understanding these legacy plans and why they remain a hot topic in 2026. 📱 The "Old Unlimited" Plan Phenomenon Oldunlimited.com