How to Use a Phone as a Mobile Hotspot
On iPhone, open Settings > Personal Hotspot, set a Wi-Fi password and allow other devices to join. On Android, open Settings > Network & internet > Hotspot & tethering or search Settings for Hotspot, then enable the Wi-Fi hotspot.
Quick answer: On iPhone, open Settings > Personal Hotspot, set a Wi-Fi password and allow other devices to join. On Android, open Settings > Network & internet > Hotspot & tethering or search Settings for Hotspot, then enable the Wi-Fi hotspot.
A hotspot typically uses the phone’s cellular data and may incur data limits or carrier charges. Apple says iPhone Personal Hotspot does not relay an existing Wi-Fi network; some Android models can share Wi-Fi but not all.
Share your phone’s connection over Wi-Fi
- Confirm mobile data works and the plan permits tethering. Open a trusted website using cellular data before you turn on the hotspot. Check carrier fees and monthly data allowance.
- On iPhone, open Personal Hotspot. You may first need Settings > Cellular > Set Up Personal Hotspot if it is not configured. Set a strong Wi-Fi password and enable the control allowing another device to connect.
- On Android, open Hotspot settings. Look in Settings > Network & internet > Hotspot & tethering > Wi-Fi hotspot or your device maker’s Connections > Mobile Hotspot menu. Set network name, password and supported security mode.
- Connect the second device. Open its Wi-Fi network picker, select the phone’s hotspot name and enter the password. Confirm it has actual internet access.
- Turn hotspot off after use. Check cellular data usage and your phone’s battery level. A connected device may automatically download updates or back up files through the hotspot.
Hotspot over USB or Bluetooth
Both Apple and Google describe alternative tethering methods such as USB or Bluetooth for supported hardware. On Windows, Apple says an iPhone USB hotspot may need Apple Devices or iTunes installed. USB can be more reliable near interference and often charges the phone, but always use a trusted computer and cable. Bluetooth setup is device-specific and generally has a different connection workflow.
When other devices cannot see the hotspot
Keep the hotspot settings visible during initial pairing when the phone requests it. Check the hotspot name, password, network-band compatibility and the second device’s Wi-Fi. Apple’s Maximize Compatibility option may help older clients but can reduce performance; this is a troubleshooting option, not a promise of a faster connection. On Android, hotspot band and compatibility controls depend on the manufacturer.
Manage data usage and security
A hotspot can use a large amount of cellular data when a laptop updates software, synchronises files or streams HD video. Set sensible metered-network preferences on connected devices and watch the carrier’s usage counter. Use WPA2/WPA3 options offered by your phone, a strong password and a recognisable network name that does not reveal unnecessary personal details. Do not share the password publicly.
Battery, heat and carrier restrictions
Mobile hotspot activity can warm the phone and drain battery, especially in weak cellular coverage. Keep the device ventilated and avoid covering it with bedding or placing it in direct sun. If the Personal Hotspot item is missing or disabled despite cellular data working, the carrier may not support tethering on the account. Contact your carrier rather than installing suspicious hotspot-bypass software.
Troubleshooting and alternatives
- Hotspot absent: Check cellular-data status and carrier tethering entitlement.
- Second device cannot connect: Verify password, phone proximity and compatibility settings.
- No internet through hotspot: Test mobile data on phone and carrier restrictions.
- Unexpected data costs: Review background sync and your carrier’s data allowance.
Frequently asked questions
Does iPhone share the Wi-Fi I am already using?
No. Apple says Personal Hotspot shares the iPhone cellular connection, not an existing Wi-Fi connection.
Does hotspot use my data plan?
Usually yes. Check the carrier for fees, limits and speed throttling.
Can anyone nearby join?
Only devices with access under your configuration, such as the Wi-Fi password or approved Instant Hotspot relationship. Use a strong password and disable hotspot when finished.
Sources & Further Reading
- Apple iPhone User Guide: Share your internet connection from your iPhone (checked 2026-10-27)
- Android Help: Share a mobile connection by hotspot or tethering on Android (checked 2026-10-27)
Use the checklists as you go, and confirm the result before moving on to a more involved repair.