What a hotspot does and how to turn it on
A hotspot lets your phone share its mobile internet connection with other devices — a laptop, tablet, or another phone. When you turn on your phone's hotspot, it broadcasts a wireless network that other devices can join, just like connecting to Wi-Fi at a coffee shop. Your phone becomes the router, and data flows through your mobile plan.
The steps to turn on your hotspot differ slightly between iPhone and Android, but both are found in your phone's settings. On an iPhone, go to Settings > Personal Hotspot and toggle it on. On Android, go to Settings > Network & Internet > Hotspot & Tethering (or Tethering, depending on your phone's manufacturer) and toggle on Mobile Hotspot or Portable Hotspot. Your phone will then show a network name and password that other devices use to connect.
Before you turn on your hotspot, check with your carrier. Some plans include hotspot data as part of your monthly allowance, while others charge extra or limit how much you can use. If your plan doesn't include hotspot, your carrier may block it entirely, or you may see a warning when you try to turn it on.
Key Takeaways
- Your phone's hotspot shares its mobile data with other devices over a wireless connection you control.
- iPhone users find hotspot in Settings > Personal Hotspot; Android users find it in Settings > Network & Internet > Hotspot & Tethering.
- Check your mobile plan before using hotspot, because some carriers charge extra or limit the amount of data you can share.
- Other devices connect to your hotspot the same way they connect to any Wi-Fi network — by selecting your phone's network name and entering the password.
Finding your hotspot network name and password
When you turn on your hotspot, your phone creates a network name (also called an SSID) and generates a password. On iPhone, both appear on the Personal Hotspot screen in Settings. Write them down or take a screenshot, because you'll need to give them to anyone connecting to your hotspot.
On Android, the network name and password are usually visible in the Hotspot & Tethering settings, though the exact location varies by phone model. Some Android phones let you customize the network name and password before turning on the hotspot; others generate them automatically. If you want to change either one, look for an edit or settings button within the hotspot menu.
The password is important: it prevents strangers from connecting to your hotspot and using your data. If you suspect someone has connected without permission, turn off your hotspot, change the password, and turn it back on. Anyone previously connected will be disconnected and will need the new password to reconnect.
Connecting a device to your hotspot
On the device you want to connect — a laptop, tablet, or another phone — open the Wi-Fi settings and look for your phone's hotspot network name in the list of available networks. Select it and enter the password your phone displayed. The device will connect within a few seconds.
If the device doesn't find your hotspot network, make sure your phone's hotspot is actually turned on and that the device is within range (usually 30 feet or less, depending on your phone). If your phone is in airplane mode, the hotspot won't work. If you've just turned on the hotspot, wait a few seconds for it to broadcast before searching on the other device.
Once connected, the device will use your phone's mobile data for internet access. Your phone will show an icon or banner indicating that hotspot is active and how many devices are connected. You can usually see which devices are connected in your hotspot settings, and you can disconnect a specific device from there if needed.
Monitoring data usage when using hotspot
Every byte of data used by a connected device counts against your mobile plan's monthly allowance. If you have a limited data plan, hotspot use can add up quickly — streaming video, downloading files, or updating software on another device will drain your data faster than normal phone use.
Check your carrier's app or website to see how much data you've used this month. Most carriers show a breakdown of data by device or connection type, so you can see how much came from hotspot use. If you're approaching your limit, turn off the hotspot and switch back to Wi-Fi when possible.
Some carriers throttle (slow down) your hotspot speed after you've used a certain amount of data, even if you haven't hit your plan's overall limit. Others charge overage fees or deprioritize your data. Read your plan's terms to understand what happens if you exceed your hotspot allowance.
Troubleshooting common hotspot problems
If a device can see your hotspot network but can't connect, the password may be wrong. Double-check that you're typing it exactly as shown on your phone — passwords are case-sensitive and include special characters. If you're still stuck, turn off the hotspot on your phone, wait 10 seconds, and turn it back on. Then try connecting again.
If your hotspot is on but other devices can't see the network at all, restart your phone. Also check that your phone isn't in airplane mode and that mobile data is turned on. On some Android phones, you may need to enable Bluetooth or location services for the hotspot to work properly, even though you're using Wi-Fi to connect other devices.
If the connection keeps dropping, move the other device closer to your phone. Walls, metal objects, and other wireless networks can interfere with the signal. If one device disconnects but others stay connected, the problem is likely with that specific device, not your hotspot. Restart that device and try reconnecting.
When to use hotspot versus other options
Hotspot is useful when you need internet on the go and Wi-Fi isn't available — working from a car, traveling, or helping someone else get online temporarily. It's also a backup if your home internet goes down and you need to get work done on a laptop.
However, hotspot uses your phone's battery quickly, especially if multiple devices are connected or if they're doing data-heavy tasks. If you'll be using hotspot for more than an hour, plug your phone into power. Also, hotspot is slower than home Wi-Fi or a dedicated mobile hotspot device, so it's not ideal for large downloads or video calls if speed matters.
If you regularly need internet for multiple devices, consider a dedicated mobile hotspot device (sometimes called a MiFi or portable hotspot) or a home internet plan. These options often have better battery life and faster speeds than phone hotspot, though they come with their own costs and data limits.
Frequently Asked Questions
Does using hotspot cost extra on my phone plan?
It depends on your carrier and plan. Some plans include hotspot data as part of your monthly allowance at no extra charge. Others charge a monthly fee to add hotspot, or charge per gigabyte of hotspot data used. Check your plan details or contact your carrier to confirm what you're allowed to use.
Can I use hotspot if I have an unlimited data plan?
Many unlimited plans include hotspot, but some carriers limit how much hotspot data you can use even on unlimited plans — for example, 50 GB per month. After that, your hotspot speed may slow down. Read your plan's fine print or ask your carrier about hotspot limits.
How many devices can connect to my phone's hotspot at once?
Most phones support 5 to 10 connected devices, though the exact number varies by phone model and carrier. Connecting many devices at once will slow down the connection for everyone and drain your phone's battery faster. If you need to connect more than a few devices regularly, a dedicated hotspot device is a better choice.
Will my hotspot work if I'm roaming internationally?
Hotspot works the same way as regular mobile data when roaming. If your carrier charges roaming fees for data, those fees apply to hotspot use too. Before traveling, contact your carrier about international data rates and consider whether a local SIM card or international plan would be cheaper.
Can someone hack my hotspot?
Your hotspot password protects it from casual use, but it's not military-grade encryption. Avoid using hotspot for sensitive activities like banking or entering passwords on public networks. If security matters, use a VPN (virtual private network) on the device connecting to your hotspot, which encrypts your traffic even if someone is on the same network.