What a hotspot is and why you'd use one
Your phone can share its mobile data connection with other devices — a laptop, tablet, or another phone — by turning into a hotspot. When you do this, your phone becomes a small wireless router that broadcasts a network other devices can join, just like connecting to WiFi at a coffee shop. The difference is that the internet flowing through it comes from your phone's cellular plan, not a separate home internet service.
People use hotspots when they need internet on the go, when their home internet is down, or when they're in a place without WiFi. If you have a mobile plan with data, you already have the ability to create a hotspot — you just need to turn it on and know how to connect other devices to it.
Key Takeaways
- Your phone's hotspot uses data from your mobile plan, so check your plan's data limit before connecting multiple devices or streaming video.
- On iPhone, go to Settings > Personal Hotspot and toggle it on; on Android, go to Settings > Network & Internet > Hotspot and toggle it on.
- Other devices find your hotspot by looking for its network name (SSID) in their WiFi list and entering the password you set.
- A hotspot drains your phone's battery faster than normal use, so plug it in if you plan to share data for more than an hour.
- Some carriers limit how much data hotspot use consumes before slowing it down, so contact your carrier if you're unsure about your plan.
Turning on your hotspot on iPhone
Open Settings and tap Personal Hotspot. You'll see a toggle at the top — turn it on. Your phone will now broadcast a network that other devices can see.
The first time you turn it on, iOS generates a password automatically. You can see this password on the same Personal Hotspot screen — it appears under the toggle. Write it down or remember it, because you'll need to give it to anyone connecting to your hotspot. If you want to change the password to something easier to remember, tap WiFi Password and type a new one.
Your phone's name (the one you set up when you first got it) becomes the network name other devices will see. If you want to change what it's called, go to Settings > General > About and tap the name field to edit it.
Turning on your hotspot on Android
Open Settings and look for Network & Internet or Connections — the exact name varies by phone maker. Tap Hotspot or Mobile Hotspot, then toggle it on. Some phones call this "Portable WiFi Hotspot" or "Tethering."
Android also generates a network name and password automatically. Tap the hotspot option again to see both. The network name is usually your phone's name plus some numbers. If you want to change either one, look for an option that says Configure, Edit, or Setup — this is where you can type a new network name and password.
Write down the password before you start connecting devices. Unlike iPhone, Android doesn't always show it clearly on the main screen once it's set.
Connecting a laptop or tablet to your hotspot
On the device you want to connect, open the WiFi settings. You should see your phone's hotspot network name in the list of available networks. Tap or click it.
A box will appear asking for a password. Type the password from your phone's hotspot settings exactly as it appears — passwords are case-sensitive, so uppercase and lowercase letters matter. Once you enter it correctly, the device will connect and you should see an internet connection appear.
If the password doesn't work, go back to your phone and double-check what you typed. A common mistake is confusing the letter O with the number 0, or the letter l with the number 1. If you're still stuck, turn the hotspot off and back on, which sometimes resets the connection.
Connecting another phone to your hotspot
The process is the same as connecting a laptop: open WiFi settings on the second phone, find your first phone's hotspot network name, and enter the password. Once connected, the second phone will use your first phone's data to browse the internet, send messages, or load apps.
Keep in mind that both phones are now using data from the same plan. If you're streaming video or downloading large files on both phones at once, you'll burn through your data limit much faster. Check your plan's monthly data allowance before doing this regularly.
Managing battery drain and data use
Running a hotspot drains your phone's battery significantly faster than normal use because your phone is working harder — it's receiving data from the cellular network and broadcasting it as WiFi at the same time. If you plan to share your connection for more than an hour, plug your phone into power.
Data use is the other concern. Every device connected to your hotspot counts against your monthly data limit. Streaming video, downloading files, or running apps that sync in the background will consume data quickly. If your plan has a limit, keep an eye on how much you're using. Most carriers show your data usage in their app or on their website.
Some carriers slow down hotspot speeds after you've used a certain amount of data in a month, even if you haven't hit your overall limit. This is called "deprioritization" or "throttling." If you use your hotspot heavily, contact your carrier to ask whether your plan has this restriction and what the threshold is.
Troubleshooting when devices won't connect
If a device can see your hotspot network but won't connect, the password is usually the problem. Go back to your phone and verify the password character by character. Spaces and special characters count, so make sure you're typing exactly what's shown.
If the password is correct but the device still won't connect, try turning the hotspot off on your phone, waiting ten seconds, and turning it back on. Then try connecting again. This resets the connection and often fixes temporary glitches.
If the device doesn't see your hotspot network at all, make sure the hotspot is actually turned on — go back to the hotspot settings and confirm the toggle is in the on position. If it is, restart your phone. If you still don't see it, the device may be too far away or there may be interference from other networks. Move closer to your phone and try again.
Frequently Asked Questions
Does using a hotspot cost extra money?
No — hotspot data comes from your existing mobile plan's data allowance. You don't pay extra for the feature itself. However, if you exceed your plan's monthly data limit, you may face overage charges or speed reductions, depending on your carrier's policy.
Can I connect multiple devices at once?
Yes. Most phones allow five to ten devices to connect simultaneously, though the exact number depends on your phone model. The more devices connected, the slower the connection will be for each one, and the faster your data will be used up.
Why is my hotspot so slow?
Hotspot speed depends on your phone's cellular signal strength. If you're in an area with weak signal, your hotspot will be slow. Moving to a location with better signal usually helps. If signal is strong but it's still slow, you may have too many devices connected, or your carrier may be throttling your hotspot data.
Can I use a hotspot while on a phone call?
On most modern phones, yes — you can talk on the phone and share data at the same time. However, on some older plans or networks, starting a call may pause hotspot data. If this happens, wait until the call ends to resume using the hotspot.
What happens to my hotspot if I run out of data?
Once you've used all the data in your plan, your hotspot will stop working until your plan resets or you add more data. Some carriers offer the option to buy additional data, while others straightforward slow down your speeds. Contact your carrier to see what happens on your specific plan.