Openreach details UK broadband traffic impact from GTA 6 pre-loading | ISPreview UK

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Network access provider Openreach (BT) has revealed to ISPreview that the start of pre-loading for the GTA VI video game, which began at midnight Tuesday (10th Nov 2026), drove around a 33% increase in downstream traffic across their national broadband network versus an average Tuesday.

The hotly anticipated game is known to have a file size of around 212 GigaBytes (PS5), albeit varying a bit between different game console platforms. Overall Openreach saw elevated demand visible throughout the day and particularly overnight/late evening, which is roughly consistent with what other ISPs have been reporting.

Openreach network traffic 10th Nov 2026

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