This is about checking your own usage, not typical usage benchmarks
If you want to know roughly how much data an hour of video streaming or a video call typically uses so you can estimate a plan, see a general data-usage-by-activity breakdown instead. This guide walks through checking the actual usage already logged on your specific device.
On-device figures can drift slightly from your carrier's billing
The usage shown in phone settings is measured by the OS itself and can differ slightly from your carrier's official billing figures, due to timing differences in when each side resets the counting period, so treat the carrier's own app or website as the authoritative number if the two ever disagree meaningfully.
Frequently Asked Questions
Why does my phone's data usage number not exactly match my carrier's bill?
Small differences are normal -- your phone counts data using its own internal tracking, while your carrier measures it at the network level, and the billing cycle reset times do not always align perfectly between the two.
Does checking data usage in settings reset the counter?
No, simply viewing your usage does not reset anything -- the counter typically resets automatically at the start of each new billing cycle, which you can often set manually to match your plan.