Smartphones have replaced many everyday devices, from cameras to wallets. One lesser-known but extremely useful feature is the IR blaster in mobile phones. Though it may seem outdated to some, an IR blaster can turn your smartphone into a universal remote control for TVs, air conditioners, set-top boxes, and more.
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IR Blaster
What Is an IR Blaster in Mobile?
An IR Blaster (Infrared Blaster) is a small hardware component in a smartphone that emits infrared signals. These signals mimic the commands sent by traditional remote controls.
Key Points:
Uses infrared light to communicate
Works without internet or Bluetooth
Acts as a remote control transmitter
Compatible with TVs, ACs, projectors, music systems, and more
How Does an IR Blaster Work?
IR blasters function by sending encoded infrared signals to electronic devices.
Working Process:
The user selects a device (TV, AC, etc.) in a remote app
The phone emits infrared signals via the IR blaster
The appliance receives the signal
The command (volume up, power off, temperature change) is executed.
IR blasters require a direct line of sight, similar to traditional remotes.
Uses of IR Blaster in Smartphones
The IR blaster makes your phone a powerful smart controller.
Common Uses:
Control TV (power, channels, volume)
Operate air conditioners
Manage set-top boxes
Control home theatre systems
Use with projectors
Control office appliances
Advantages of IR Blaster in Mobile Phones
1. Universal Remote Control
No need to keep multiple remotes—your phone replaces them all.
2. No Internet Required
Unlike smart home apps, IR blasters work offline.
3. Easy Setup
Most brands offer pre-installed remote apps with automatic device detection.
4. Helpful for Smart Homes
Ideal for controlling appliances in hotels, offices, or rental homes.
5. Energy Efficient
Consumes minimal battery compared to Bluetooth or Wi-Fi controls.
Limitations of IR Blaster
Despite its usefulness, the IR blaster has some drawbacks:
Requires line-of-sight
Limited range (usually 5–10 meters)
Not supported by many flagship phones
Cannot receive signals (only transmit)
Why Do Many Phones No Longer Have IR Blasters?
Many manufacturers removed IR blasters due to:
Rise of Wi-Fi and Bluetooth-based smart devices
Thinner phone designs
Limited user demand
Increased focus on IoT ecosystems
However, some brands still recognize its value and continue to support it.
Best IR Remote Apps for Mobile
If your phone has an IR blaster, try these apps:
Mi Remote Controller
Universal TV Remote
AnyMote
Peel Smart Remote
These apps support thousands of device models worldwide.
Conclusion
The IR blaster in mobile phones is a practical and underrated feature that enhances smartphone versatility. While newer technologies dominate the market, IR blasters still offer unmatched convenience for controlling everyday electronics.
If you value simplicity, offline functionality, and universal compatibility, choosing a smartphone with an IR blaster is still a smart decision.
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FAQs About IR Blaster
What does IR blaster mean in mobile?
It is a feature that allows your phone to control electronic devices using infrared signals.
Can I add IR blaster to my phone?
No, it is a hardware feature and cannot be added via software.
Do iPhones have IR blasters?
No, Apple iPhones do not include IR blaster technology.
Does IR blaster work without internet?
Yes, it works completely offline.