A faulty, discharged or lost remote control instantly paralyzes watching TV, forcing the owner to look for alternative ways to change channels and adjust the volume. Fortunately, your smartphone based on Android can become a full-fledged replacement for a lost accessory, turning into a universal controller without the need to search for batteries and providing access to advanced functionality not available with standard IR remote controls.
There are two main ways to turn your phone into a remote control: using the built-in infrared port or connecting via local network Wi-Fi. The first method is universal and works even with “stupid” TVs, while the second gives access to Smart functions, text input and control of media players. The choice of a specific method depends on the hardware capabilities of your gadget and the TV model.
In this article we will analyze both connection options in detail, consider the best software solutions and answer frequently asked questions about setup. You'll learn how to overcome possible pairing problems and which apps are truly trustworthy. Turning your smartphone into a universal controller is a simple step towards increasing comfort when viewing content.
Using the built-in IR port on a smartphone
Some smartphone models, especially flagships of previous years from brands like Xiaomi, Huawei or HTC, are equipped with built-in infrared emitter. This hardware module allows the phone to emulate the signals of a conventional remote control, working on the line-of-sight principle. If there is a small black window at the top of your device, you are most likely in luck.
You do not need an Internet connection or a router to work with the infrared port. Communication is carried out directly between the phone and the TV receiver. This makes the method ideal for controlling older equipment that does not support Smart TV or network connectivity. You will only need an application pre-installed by the manufacturer or third-party software from the store Google Play.
The setup process usually comes down to choosing a TV brand and sequential testing of codes. The app sends a series of signals and you need to confirm whether the TV responds to the commands. After successful calibration, the phone completely replaces the physical remote control, allowing you to switch channels, adjust the volume and change signal sources.
⚠️ Attention: The infrared signal does not pass through obstacles. For successful control, you need to point the top of the smartphone directly at the TV receiver, maintaining direct visibility.
If the built-in application does not find your TV, try third-party utilities like "Mi Remote" or "ZaZa Remote", which have more extensive code bases for rare models of equipment.
Control via Wi-Fi and Smart TV
Modern TVs with Smart TV support offer a more advanced interaction scenario. In this case, the smartphone and TV must be connected to the same network Wi-Fi. Data transfer protocols allow you not only to imitate buttons, but also to transfer media files, use the phone screen as a touchpad, and even display images on a large screen.
The main advantage of Wi-Fi control is that there is no need to point the phone at the TV. You can control playback from the kitchen or another room while the signal passes through the router. In addition, this method often works more stable if there are physical barriers between you and the TV that would block the IR signal.
To get started, you need to go to the TV settings and make sure that the remote control function is active. In the menu Samsung it may be called "Mobile Connect", in LG - "LG Connect Apps", and in Android TV it is enough to simply enable network debugging or connection permission. Without this pre-configuration, applications on the phone simply will not see the device in the list of available ones.
- 📡 Make sure that both devices are on the same Wi-Fi subnet (do not use a guest network for the TV).
- 🔌 Check whether the DLNA or remote control function is enabled in the TV settings.
- 📱 Download official application from the TV manufacturer for maximum compatibility.
- 🔄 Reboot the router if the devices do not find each other for a long time.
Best applications for replacing the remote control
The mobile application market offers dozens of solutions for controlling equipment, but not all of them are equally useful. The choice depends on what kind of TV you have and whether your phone has an infrared port. Universal harvesters are good for a mixed fleet of equipment, and branded utilities reveal the full potential of specific brands.
If you have a TV based on Android TV or Google TV, the best choice will be the official application Google TV (formerly Google Home). It allows you to use your smartphone as a full-fledged touchpad, enter text from your phone keyboard to search for videos, and control your voice assistant. For owners Samsung an irreplaceable tool is SmartThingsthat integrates the TV into the smart home ecosystem.
For devices with an IR port, applications like Peel Smart Remote or Universal TV Remoteare in the lead. They have huge code databases and an intuitive interface. It is important to pay attention to the permissions that the application requests: a simple remote control does not need access to your contacts or geolocation.
| Application name | Connection type | Brand support | Features |
|---|---|---|---|
| Google TV | Wi-Fi / Bluetooth | Android TV, Chromecast | Voice input, touchpad, broadcast |
| SmartThings | Wi-Fi | Samsung, SmartThings-compatible | Smart home, scenarios, mirroring |
| LG ThinQ | Wi-Fi | LG | Content store, TV schedule |
| Universal Remote | IR port | Almost everything (Sony, Philips, Toshiba) | Work without the Internet, macros |
Official applications of TV manufacturers usually work more stable than universal analogues, since they use native data exchange protocols of a specific model.
Setting up universal remote controls without IR port
What to do if your smartphone does not have an infrared port, and the TV is old and cannot connect to Wi-Fi? In this case, external accessories come to the rescue. There are compact IR transmitters on the market, connected via a connector 3.5 mm (if there is one) or via a port USB Type-C / Micro-USB.
Such devices are inexpensive and turn any modern smartphone into a universal remote control. They work in tandem with special applications that come included or can be downloaded using a QR code from the package. The principle of operation is similar to the built-in port: the phone sends a command to the adapter, and it emits an IR signal towards the TV.
When choosing an external adapter, pay attention to compatibility with your version of Android. Some older adapter models may not work correctly on Android 12 and higher due to changes in USB accessory permission management. It is also worth checking the cable length or range if the adapter is wireless.
⚠️ Attention: When using external USB adapters, make sure that your phone supports OTG technology. Without this function, power will not be supplied to the port and the device will not work.
How to check OTG support?
Download the free "USB OTG Checker" application from the Play Market. It will instantly analyze the configuration of your device and tell you whether it is possible to connect external peripheral devices through the charging port.
Solving problems with connection and visibility
Even with proper configuration, users often encounter a situation where the phone “does not see” the TV in the list of available devices. Most often, the problem lies in the network settings or firewall of the router, which isolates devices from each other. In corporate networks or guest modes, Wi-Fi clients are often blocked from mutual communication.
Try manually entering the TV's IP address in the application if the automatic search does not work. You can find out the address in the network settings of the TV itself in the Network → Network statussection. Temporarily disabling the antivirus on the phone or rebooting the network equipment also helps, which resets the ARP table cache.
If you are using the infrared port and the TV does not respond, check if the sensor is covered with a case. Thick silicone or leather cases can block infrared radiation. Try removing the protection and bringing the phone close to the TV receiver, changing the angle.
- 🛑 Disable the "AP Client Isolation" function in the settings of your router.
- 🔋 Make sure that the power saving mode is not activated on the TV, which disables the network module.
- 📶 Switch your phone from the mobile network to Wi-Fi, even if the Internet through the router does not work (local network is important).
☑️ Connection diagnostics
Advanced media control capabilities
Using a smartphone as a remote control opens the door to functions that owners of conventional push-button remote controls are not even aware of. One of the most popular features is text input. Typing a movie title or a YouTube query using your phone's on-screen keyboard is much faster than typing through letters using the navigation buttons on your TV.
Many applications support the function of broadcasting screens or media files. You can launch a video in the player on your phone and send it to the big screen with one touch, while continuing to do your business or using your phone for correspondence. This is especially convenient when viewing vacation photos or videos from social networks.
Some advanced utilities allow you to create macros - sequences of commands executed with one click. For example, the Movie button can simultaneously turn on the TV, switch the input to HDMI 1, launch the Netflix app, and dim the screen brightness. Such automation turns routine actions into an elegant scenario.
⚠️ Attention: Application interfaces and function names may differ depending on the TV firmware version and smartphone model. The manufacturer has the right to change the logic of the software in any update.
The virtual keyboard on a smartphone is a killer feature of Smart TV control, which saves minutes of time each time you search for content.
Is it possible to control a TV without the Internet?
Yes, this is possible, but only if there is a built-in or external IR port in a smartphone. Infrared control does not require access to the global network, since the signal is transmitted directly. Wi-Fi control without Internet access is also possible if the devices are connected to the same router, even if the provider’s cable is disconnected.
Why does the application write “Device not found”?
The most common reason is that the devices are on different subnets or client isolation is enabled on the router. Also check that your TV is set to allow mobile devices. Sometimes simply turning off and on Wi-Fi on your smartphone helps.
Is it safe to give the application access to the network?
Yes, it is necessary for it to work. The application requires access to the local network to discover devices and send commands. However, be careful with applications that require access to contacts, SMS or microphone without explicit need - this may be a sign of spyware.
Does Bluetooth control work?
Some modern TVs and set-top boxes support Bluetooth control. In this case, pairing occurs in the same way as connecting headphones. The advantage of Bluetooth is that it does not require direct visibility, and the range is usually wider than that of the infrared port.
Is it possible to turn on a switched off TV from your phone?
By the infrared port - yes, the power on command always works. Via Wi-Fi - only if the TV supports the Wake-on-LAN function and is in deep sleep mode, and not completely de-energized. Most modern Smart TVs can wake up based on a signal from the network.