What a hotspot does and which phones can create one
A hotspot is a feature that lets your phone share its mobile data connection with other devices — a laptop, tablet, or another phone. Instead of those devices connecting to Wi-Fi or their own cellular plan, they connect to your phone and use the data from your phone's plan.
Nearly every smartphone made in the last ten years can create a hotspot. iPhones call it "Personal Hotspot." Android phones usually call it "Mobile Hotspot" or "Tethering." The feature is built into the operating system, not something you need to read or buy separately.
Your carrier may charge extra for hotspot use, or it may be included in your plan. Some plans limit how much data you can use for hotspot before throttling (slowing down) that connection. Check your plan details or call your carrier to confirm what you have.
Key Takeaways
- Hotspot is a built-in phone feature that shares your mobile data with other devices through Wi-Fi, Bluetooth, or a USB cable.
- On iPhones, hotspot is called Personal Hotspot and lives in Settings under Cellular; on Android, it is usually called Mobile Hotspot and lives in Settings under Network or Connections.
- You need to turn hotspot on, set a password, and then connect your other device to your phone the same way you would connect to any Wi-Fi network.
- Hotspot drains your phone battery faster and uses data from your monthly plan, so check your plan limits before relying on it regularly.
- If hotspot is grayed out or unavailable, your carrier may not include it in your plan, or you may need to contact them to turn it on.
How to enable hotspot on an iPhone
Open Settings and tap Cellular. Scroll down and tap Personal Hotspot. Toggle the switch next to Personal Hotspot to the on position (it will turn green). If you do not see Personal Hotspot in the Cellular menu, scroll down further — it may be below other options.
When you turn it on, iOS automatically generates a Wi-Fi password. You can see this password on the same Personal Hotspot screen. Write it down or remember it, because other devices will need it to connect. If you want to change the password to something easier to remember, tap Wi-Fi Password and type a new one.
Once Personal Hotspot is on, your phone broadcasts a Wi-Fi network with your phone's name (for example, "James's iPhone"). Other devices will see this network in their Wi-Fi list. They connect to it the same way they would connect to any other Wi-Fi network — by selecting it and entering the password.
How to enable hotspot on an Android phone
The exact path depends on your phone's manufacturer, but the process is similar across most Android devices. Open Settings and look for Network, Connections, or Wireless. Tap Hotspot, Mobile Hotspot, or Tethering (the name varies). You may see options for Wi-Fi Hotspot, Bluetooth Tethering, and USB Tethering — tap Wi-Fi Hotspot to share over Wi-Fi.
Toggle the switch to turn it on. Android will show you the network name (SSID) and password on the same screen. Like iPhones, you can change the password if you want something more memorable. Once it is on, other devices will see your phone's network in their Wi-Fi list and can connect using the password you set.
Some Android phones let you customize the network name itself. If you see an option for SSID or Network Name, you can change it from the default (often something like "AndroidAP" or your phone's model number) to anything you prefer.
Connecting other devices to your hotspot
Once your phone's hotspot is on, connecting another device is straightforward. On the device you want to connect — a laptop, tablet, or another phone — open Wi-Fi settings and look for your phone's network name in the list of available networks. Tap or click it.
A prompt will ask for the password. Enter the password your phone generated (or the one you set), and the device will connect. You should see a confirmation that the connection is successful, and the device will now use your phone's mobile data for internet access.
On iPhones and many Android phones, you will see a blue banner or indicator at the top of your phone's screen showing that hotspot is active and how many devices are connected. This is useful if you want to know whether other people are still using your hotspot.
Using Bluetooth or USB instead of Wi-Fi
Wi-Fi hotspot is the most common method, but you can also share your phone's data through Bluetooth or a USB cable. Bluetooth hotspot uses less battery than Wi-Fi but is slower and has a shorter range (typically 30 feet). USB tethering is the fastest and uses the least battery because your phone is powered by the cable, but it only works with one device at a time and requires a physical connection.
To use Bluetooth tethering on an iPhone, turn on Personal Hotspot, then go to the other device's Bluetooth settings and pair it with your phone. On Android, the process is similar — turn on Bluetooth Hotspot in your hotspot settings, then pair the devices through Bluetooth.
USB tethering requires a USB cable and works on both iPhones and Android phones. Plug your phone into a computer with a USB cable, then enable USB tethering in your phone's hotspot settings. The computer will recognize your phone as an internet connection. This method is most useful when you are at a desk and need a stable, fast connection.
Battery drain and data usage
Using hotspot drains your phone's battery significantly faster than normal use. Your phone is working harder — it is receiving data from the cellular network and broadcasting it over Wi-Fi (or Bluetooth or USB) at the same time. If you plan to use hotspot for more than an hour or two, plug your phone into a charger.
Every byte of data your connected devices use counts against your monthly data limit. If your plan includes 10 gigabytes per month and you use 2 gigabytes through hotspot, you have 8 gigabytes left for your phone. Some carriers throttle hotspot data separately — meaning they may slow down your hotspot connection once you hit a limit, while leaving your phone's direct connection at full speed.
Check your carrier's website or call them to understand your specific limits. If you use hotspot regularly, you may need a plan with more data, or you may want to use Wi-Fi networks instead when they are available.
Troubleshooting hotspot problems
If hotspot is grayed out or unavailable, your carrier may not include it in your plan. Call your carrier and ask whether hotspot is available on your account. Some carriers require you to add it as a feature or upgrade your plan. Others include it automatically but may have disabled it if you are on an older or lower-tier plan.
If hotspot is on but other devices cannot find your network, restart your phone. Turn off hotspot, wait 10 seconds, and turn it back on. If that does not work, restart the device you are trying to connect — sometimes the Wi-Fi radio needs a fresh start to see the network.
If a device connects but has no internet, check that your phone itself has a data connection. If your phone shows no signal bars or is in airplane mode, it cannot share data. Also confirm that you have not hit your monthly data limit — some carriers cut off hotspot entirely once you exceed your limit, rather than just slowing it down.
Frequently Asked Questions
Does using hotspot cost extra?
It depends on your plan. Some carriers include hotspot at no extra charge. Others charge a monthly fee or require a higher-tier plan. A few carriers include a certain amount of hotspot data per month and charge extra if you go over. Check your plan documents or contact your carrier to know what applies to you.
Can I use hotspot if I have a prepaid plan?
Most prepaid carriers offer hotspot, but it may not be turned on by default. Contact your carrier to confirm it is available and enabled on your account. Some prepaid plans charge extra for hotspot or count it against your data limit at a different rate than phone data.
How many devices can connect to my hotspot at once?
Most phones allow between 5 and 10 devices to connect simultaneously, though the exact number depends on your phone model. Even if more devices could technically connect, each additional device slows the connection for everyone, and your battery drains faster. For best performance, limit active connections to two or three devices.
Will my hotspot work if I am traveling internationally?
Hotspot works the same way as your phone's regular data — it uses your carrier's roaming agreement in that country. International roaming is usually expensive. Before traveling, contact your carrier about roaming rates or consider purchasing a local SIM card in the country you are visiting instead.
Can I password-protect my hotspot?
Yes. Both iPhones and Android phones set a password automatically when you turn on hotspot. You can change this password anytime in your hotspot settings. Use a strong password so strangers cannot connect and use your data without permission.