Does the 55LJ5500 work with RemotApp?
Yes. The 55LJ5500 runs webOS 3.5, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.
- Remote over Wi-Fi Yes
- Infrared (Android with IR) Yes
- Send photos and videos Yes
- Turn on from the phone Yes
Protocol: LG webOS (SSAP 3000/3001)
What the code 55LJ5500 means
TV model codes follow the maker’s naming rules. Reading it piece by piece:
55Screen size in inchesLJ5500Series (2017 line) · LED
55LJ5500 specifications
Display
| Display diagonal | 139.7 cm (55") |
|---|---|
| HD type | Full HD |
| Display technology | LED |
| Screen shape | Flat |
| Native aspect ratio | 16:9 |
| Supported video modes | 1080p |
| Native refresh rate | 60 Hz |
| Display resolution | 1920 x 1080 pixels |
Smart TV
| Smart TV | Yes |
|---|---|
| Internet TV | Yes |
| Operating system installed | WebOS |
| Operating system version | 3.5 |
Audio
| Number of speakers | 2 |
|---|---|
| RMS rated power | 10 W |
| Audio decoders | DTS |
Network
| Wi-Fi | Yes |
|---|---|
| Wi-Fi standards | 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Ethernet LAN | Yes |
| Wi-Fi Direct | Yes |
| Web browser | Yes |
Design
| Product colour | Black |
|---|---|
| VESA mounting | Yes |
| Panel mounting interface | 300 x 300 mm |
Ports & interfaces
| PC in (D-Sub) | No |
|---|---|
| DVI port | No |
| Ethernet LAN (RJ-45) ports | 1 |
| Component video (YPbPr/YCbCr) in | 1 |
| Digital audio optical out | 1 |
| RF ports quantity | 1 |
| HDMI ports quantity | 2 |
| Consumer Electronics Control (CEC) | SimpLink |
Power
| Power consumption (standby) | 0.5 W |
|---|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
Weight & dimensions
| Width (with stand) | 1249 mm |
|---|---|
| Depth (with stand) | 235 mm |
| Height (with stand) | 785 mm |
| Weight (with stand) | 14.3 kg |
| Width (without stand) | 1249 mm |
| Depth (without stand) | 83.4 mm |
| Height (without stand) | 730 mm |
| Weight (without stand) | 14.2 kg |
Packaging data
| Package width | 1360 mm |
|---|---|
| Package depth | 175 mm |
| Package height | 835 mm |
| Package weight | 18.4 kg |
Other features
| 3D | No |
|---|---|
| Built-in speaker(s) | Yes |
Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.
How to control the 55LJ5500 with your phone
- Connect your phone to the same Wi-Fi network as the TV. (Not the guest network.)
- Turn the TV on and install RemotApp on your phone.
- Open RemotApp. It finds the TVs on your network by itself; tap your LG TV.
- The TV shows a connection request from RemotApp. Select “Accept”.
- Tap Volume + to test. That’s it: your phone is now the remote.
Full guide for LG TVs, with fixes when it won’t connect
Turning the 55LJ5500 on without the remote
Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.
Questions about the 55LJ5500
Can I control the LG 55LJ5500 with my phone?
Yes. The 55LJ5500 runs webOS 3.5, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.
What year is the LG 55LJ5500?
The 55LJ5500 is part of LG’s 2017 line (LED LJ5500).
What operating system does the 55LJ5500 use?
The 55LJ5500 runs webOS 3.5.
How many HDMI ports does the 55LJ5500 have?
The 55LJ5500 has 2 HDMI ports.
Turning the 55LJ5500 on without the remote
Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.