O2 caps data usage at 650GB per month, limiting heavy users. They also restrict hotspots to 12 devices. Vodafone has speed limits, but offers global roaming benefits.
Vodafone imposes speed restrictions, with Lite plan at 2Mbps, Standard at 10Mbps, Max at the highest speed. O2 has a 650GB data cap, while Vodafone lacks a fair usage policy.
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