PhonicSpecs editorial answer — reviewed October 5, 2026. We do not yet have comparable sustained-hotspot tests that justify naming one phone the winner. A large battery or a long web-browsing result can help build a shortlist, but neither proves reliable laptop tethering.

Choose the exact phone and network combination first. Tell us the country, carrier, budget and daily hotspot hours. Confirm with your carrier that the phone variant activates correctly, your plan permits tethering, and the high-speed hotspot allowance covers your usage. A phone purchase cannot solve a plan's speed cap or an unsuitable local network.

Why ordinary battery rankings can mislead: a phone browsing the web on its own and a phone serving a laptop have different workloads. The latter may be handling sustained downloads, uploads or video calls. Samsung's support guidance identifies weak or unstable signal as a cause of faster battery drain. Google's Pixel guidance lists tethering/hotspot use among activities that can warm a phone, particularly when combined with charging. These are useful mechanisms to consider, not a cross-brand performance ranking.

Evidence I would ask for before buying:

• A session long enough to match your intended use, on the same carrier and in similar signal conditions. A brief speed-test screenshot does not show sustained endurance.
• Start/end battery percentage, duration, connected devices, laptop activity, screen use, charging state and software version.
• Whether speed remains useful, video calls stay connected, and the phone shows a heat warning or disconnects as the session continues.
• Separate results for Wi-Fi hotspot and USB tethering, and for 5G and LTE where the phone/carrier allow that choice. Avoid declaring either network mode universally more efficient.

A practical comparison: repeat the same normal laptop task for a similar duration, location and connection method on each candidate. Keep charging conditions consistent and note background downloads. Report battery loss per hour as an observation, not as a promise of a full-day runtime; different battery capacities, battery ages and workloads limit comparisons. USB tethering while the laptop powers the phone needs a separate record from an unplugged Wi-Fi hotspot session.

For US buyers below $500: the Moto G (2026) and Moto G Power (2026) in our battery discussion are candidates to investigate. Their cited continuous cellular-browsing results are not hotspot tests, so we cannot call either a proven hotspot champion. Check carrier compatibility, remaining support and the everyday compromises in that answer before treating them as a shortlist.

Heat and stability: follow the exact model's guidance. Google notes that an overheating Pixel can reduce CPU performance or charging, switch off connectivity or shut down. If a temperature warning appears, stop the hotspot workload and let the phone cool in line with its manufacturer's instructions. A fast charger does not establish sustained hotspot endurance.

Primary sources: Google's Pixel heat and hotspot guidance; Samsung's battery-drain guidance. Model-specific guidance should be checked for the phone you actually own.

Owners: which exact model and carrier can sustain your laptop workload, for how long, and with what battery loss or connection problems? Those details can turn this into a useful model comparison without inventing a test result.