Your AT&T plan just got a free surprise upgrade – what’s new

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ZDNET’s key takeaways

• AT&T has introduced a surprise 5G speed boost for subscribers.
• The increase applies to mobile and Internet Air customers.
• Customers won’t pay any more for the increased speeds.

If you’re an AT&T mobile or Internet Air customer, you might have just received a surprise speed boost at no charge.

AT&T has announced a nationwide 5G speed boost, opening opportunities for…