开热点很耗电，有什么办法？
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常见问题
Why does hotspot sharing drain more than the phone using data itself?+
Because the phone has to receive the cellular signal and transmit Wi-Fi at the same time. Running two radios together uses more power than the phone using data on its own.
Which method helps reduce the drain the most?+
Keeping the phone on charge or using a power bank while sharing helps the most, since it directly offsets the power being consumed.
Does the number of connected devices affect the drain?+
Yes. The more devices connected and the heavier their usage, the more traffic the phone processes, and the faster the battery drains.
Do I really need to switch the hotspot off every time I stop using it?+
Yes, ideally. Just running the Wi-Fi radio continues draining battery even with nothing actually connected. It can always be switched back on when needed.
Is weak signal related to hotspot battery drain too?+
Yes. The phone has to spend more power maintaining a connection in a weak-signal area. If possible, move to a stronger-signal spot before a long sharing session.
Do all device models drain at the same rate while sharing a hotspot?+
No, it varies by brand, model, and the operating system version in use. Open that specific device's own hotspot settings menu for the most accurate detail.