How to connect to Wi-Fi via another iPhone: a complete guide with all the details

The situation is familiar to many: you are in a cafe with a friend, he has iPhone You've run out of data, but you urgently need to check your email or send a file. Or you're on a trip where only one phone has 4G coverage and the other doesn't. Sharing the Internet from one iPhone to another solves this problem in 2 minutes, but there are nuances that are not mentioned in the standard instructions.

Many people mistakenly think that special applications or jailbreak. In fact All the necessary functions are already built into iOS, but they need to be configured correctly. This article provides a step-by-step algorithm for any model. iPhone (from iPhone 6s to iPhone 15 Pro Max), including solutions to common problems: why the second phone won't connect, how to save battery when sharing, and what to do if your carrier blocks the feature.

⚠️ Important: Internet tethering capabilities depend on your operator's plan. Some mobile operators (for example, MTS, Beeline, Tele2) may limit or completely block this feature on certain plans. Check the terms in your personal account or contact support.

1. Preparation: What to check before setting up

Before turning on modem mode, make sure both phones are ready to connect. This will eliminate 90% of the setup problems.

On mainly iPhone (the one that will distribute the Internet):

• 📶 Mobile Internet: should be enabled and working reliably. Check if websites open in Safari.
• 🔋 Battery charge: Not less than 30%. When distributing Wi-Fi, the phone's battery drains 1.5–2 times faster.
• 📱 iOS version: not lower iOS 12.4Older versions may experience connection errors.

On second iPhone (the volume that will be connected):

• 🔄 Wi-Fi: must be enabled (Settings → Wi-Fi).
• 🔒 Apple ID password: may be required to confirm the connection (if the function is enabled) Family Sharing).
• 🛠 Updates: If the second phone does not see the network, update it to the latest version of iOS.

⚠️ Attention: if on the main one iPhone included VPN, internet sharing may be unstable. Disable your VPN. Settings → VPN before setting up.

2. Step-by-step instructions: how to enable Wi-Fi sharing

Now let's get to the main point. The entire process takes no more than a minute if you follow the algorithm:

1. Open Settings on the main iPhone (the one that distributes the Internet).

2. Go to the section Modem mode (or Modem mode on older versions of iOS).

3. Activate the slider Allow others (or Modem mode).

4. Select a connection method - Wi-Fi and Bluetooth (recommended) or only Wi-Fi.

5. Remember (or change) Wi-Fi password, which will appear on the screen. You'll need it to connect the second phone.

On the second iPhone:

1. Open Settings → Wi-Fi.

2. In the list of networks, find the name of the main one iPhone (For example, iPhone (Your Name)).

3. Click on it and enter the password you saw on the first phone.

💡 Advice: if the second iPhone doesn't see the network, try turn Wi-Fi off and on again on it or reboot both phones. Sometimes changing the connection method helps. Wi-Fi on Bluetooth.

3. Alternative connection methods (if Wi-Fi doesn't work)

Wi-Fi is not the only way to distribute the Internet from one iPhone on the other. If you have problems, try these methods:

⚠️ Attention: when connecting via USB second iPhone The first phone may start charging from the first one if it has enough battery. This is normal, but it will drain the main phone's battery faster.

4. Common problems and how to solve them

Even with proper setup, errors can still occur. Here are the most common ones and how to fix them:

• 🚫 "Unable to connect to the Internet":
  • Check if mobile internet is enabled on your main phone.
  • Restart both devices.
  • Disable VPN (if enabled).
• 🔄 The network keeps disconnecting:
  • Turn it off Low power mode on the main iPhone.
  • Make sure the phones are no more than 10 meters apart.
  • Try changing the connection method (from Wi-Fi to Bluetooth).
• 🔒 Unable to change password:
  • This is an iOS limitation - the password is generated automatically.
  • If you need a different password, create a new hotspot on another device.
• 📵 There is no internet sharing icon:
  • Check if your plan supports tethering (some operators block it).
  • Update iOS to the latest version.

Why do operators block internet tethering?

Some plans (especially those with unlimited data) limit data sharing to prevent the phone from being used as a full-fledged router. This is stipulated in the contract—the operator may reduce the speed or disable the feature entirely if it detects active modem use.

💡 Helpful tip: If internet distribution is unstable, try turn on airplane mode for 10 seconds on the main iPhone, then turn it off and on again Modem modeThis resets network settings without losing data.

5. How to save battery life when sharing Wi-Fi

Internet distribution is one of the most energy-consuming functions iPhoneThe battery can be discharged by 50% in 2-3 hours of active use. To extend battery life:

• 🔋 Connect the charger: If possible, use it wired charging (wireless will be slower).
• 🌑 Reduce screen brightness: On both phones, set the brightness to 30-40%.
• 📴 Disable background refresh: Settings → General → Content Update → turn off for unnecessary applications.
• 📡 Use Bluetooth instead of Wi-Fi: If speed is not critical, Bluetooth uses battery life 20–30% slower.

A critical detail: if the main iPhone is turned on Low power mode, Wi-Fi sharing will automatically turn off after 5 minutes of inactivity. Disable this mode in Settings → Battery.

6. Security: How to protect your connection

Wi-Fi distribution with iPhone Creates a local network that, theoretically, outsiders can connect to. To avoid risks:

• 🔐 Do not share your password: The access point password is visible on the main screen iPhone only once. If someone sees it, change the password (to do this, you need to turn it off and back on again) Modem mode).
• 🚪 Disable distribution after use: Even if no one is connected, active tethering makes your phone more vulnerable to attacks.
• 🛡 Use VPN on a second phone: If you're transmitting sensitive data (for example, logging into a bank), enable VPN on the device you're connecting to.
• 📱 Set up Family Sharing: if both phones are linked to one Apple ID, the connection will be automatic and secure.

⚠️ Attention: If you're sharing internet in a public place (cafe, airport), someone might try to connect to your network. Always check the list of connected devices in Settings → Tethering.

7. Alternatives: When iPhone Sharing Isn't an Approach

Sometimes use iPhone It's inconvenient or impossible to use as an access point. Consider these options:

Alternative	When to use	Pros
Portable router (MiFi)	Frequent travel, need a stable network for several devices.	Longer battery life, supports up to 10-15 devices.
USB modem	Working on a computer that requires wired internet access.	Higher speed, does not drain the phone battery.
Sharing your Mac's Internet connection	If there is one nearby MacBook with an internet connection.	You can share Wi-Fi from your laptop without loading your phone.
SIM card with modem tariff	If you often use Internet sharing.	No traffic restrictions, high speed.

💡 Advice: If you travel frequently, consider purchasing portable router (For example, Huawei E5577 or TP-Link M7350). It's cheaper than constantly sharing from your phone and doesn't drain your battery.

Frequently Asked Questions

Is it possible to share Wi-Fi from iPhone to Android?

Yes, the algorithm is the same: turn on Modem mode on iPhone, then connect to its network with Android-devices as to regular Wi-Fi. The only difference is Android the function may not work Instant Hotspot (automatic connection).

How many devices can be connected to an iPhone at the same time?

Officially - until 5 devices (Depending on the model). In practice, 2-3 devices work reliably. When connecting 4-5, the speed drops noticeably.

Why does the second iPhone connect, but the internet doesn't work?

The reasons may be different:

• Mobile Internet is disabled on the main phone.
• The operator is blocking distribution (check your tariff).
• A VPN is enabled that conflicts with the modem mode.
• The cellular network signal is too weak (check the number of signal bars).

Try restarting both phones or changing the connection method (for example, from Wi-Fi to USB).

Is it possible to share Wi-Fi from an iPhone without a password?

No, iOS always requires a password to connect to the hotspot. This is a security measure that cannot be disabled. The password is generated automatically, but it can be reset by disabling and re-enabling it. Modem mode.

How to share Wi-Fi from an iPhone to a laptop or PC?

The algorithm is the same:

1. Turn on Modem mode on iPhone.
2. Find the network on your laptop iPhone in the Wi-Fi list and connect with the password.
3. If you need a wired connection, use USB (cable required) Lightning/USB-C → USB-A).

On Windows or Mac No additional drivers are needed.