Does the OLED55B7A work with RemotApp?
Yes. The OLED55B7A 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 OLED55B7A means
TV model codes follow the maker’s naming rules. Reading it piece by piece:
OLEDPanel technology · OLED55Screen size in inchesB7Series (2017 line) · OLEDAVersion / finish
OLED55B7A specifications
Display
| Display diagonal | 139.7 cm (55") |
|---|---|
| HD type | 4K Ultra HD |
| Display technology | OLED |
| Screen shape | Flat |
| Supported video modes | 2160p |
| Supported graphics resolutions | 3840 x 2160 |
| Display resolution | 3840 x 2160 pixels |
| Display diagonal (metric) | 139 cm |
Smart TV
| Smart TV | Yes |
|---|---|
| Operating system installed | WebOS |
| Operating system version | 3.5 |
Audio
| RMS rated power | 40 W |
|---|---|
| Audio decoders | DTS, DTS-HD |
Network
| Wi-Fi | Yes |
|---|---|
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| Ethernet LAN | Yes |
| Web browser | Yes |
Design
| Product colour | Black |
|---|---|
| VESA mounting | Yes |
| Panel mounting interface | 300 x 200 mm |
Performance
| High Dynamic Range (HDR) technology | Hybrid Log-Gamma (HLG) |
|---|---|
| High Dynamic Range (HDR) supported | Yes |
| 4K Ultra HD upscaling | Yes |
Ports & interfaces
| HDCP | Yes |
|---|---|
| Ethernet LAN (RJ-45) ports | 1 |
| USB 2.0 ports quantity | 3 |
| Composite video in | 1 |
| Digital audio optical out | 1 |
| RF ports quantity | 1 |
| HDMI ports quantity | 4 |
| Consumer Electronics Control (CEC) | SimpLink |
Power
| Power consumption (standby) | 0.5 W |
|---|---|
| AC input frequency | 50 - 60 Hz |
Weight & dimensions
| Width (with stand) | 1229.4 mm |
|---|---|
| Depth (with stand) | 226.1 mm |
| Height (with stand) | 759.5 mm |
| Weight (with stand) | 20.5 kg |
| Width (without stand) | 1229.4 mm |
| Depth (without stand) | 48.3 mm |
| Height (without stand) | 708.7 mm |
| Weight (without stand) | 16.2 kg |
Packaging data
| Package width | 1450.3 mm |
|---|---|
| Package depth | 228.6 mm |
| Package height | 825.5 mm |
| Package weight | 27 kg |
Other features
| Hybrid Log-Gamma (HLG) | Yes |
|---|---|
| 3D | No |
| Built-in speaker(s) | Yes |
| App store | LG Content Store |
Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.
How to control the OLED55B7A 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 OLED55B7A 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.
Also sold as
Same TV, different market codes:
OLED55B7MOLED55B7P
Questions about the OLED55B7A
Can I control the LG OLED55B7A with my phone?
Yes. The OLED55B7A 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 OLED55B7A?
The OLED55B7A is part of LG’s 2017 line (OLED B7).
What operating system does the OLED55B7A use?
The OLED55B7A runs webOS 3.5.
How many HDMI ports does the OLED55B7A have?
The OLED55B7A has 4 HDMI ports.
Turning the OLED55B7A 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.