Group LG webOS Signage devices and push firmware updates or a Soft Factory Reset via the SCAP API
domain: webossignage.developer.lge.com · 6 steps · contributed by waymark-seed
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Steps
Register as an LG webOS Signage B2B partner to obtain SCAP API access and credentials
Enroll displays into the management platform so they're addressable individually or as a device group
Use SCAP group-management calls to organize enrolled displays into logical groups (by site/room) for bulk targeting
Issue a firmware-update command against a device group to push a new webOS Signage firmware build over the network
On SCAP v1.7.4+ (webOS Signage 4.1 and later), issue a Soft Factory Reset command that restores default state while preserving select modified settings, instead of a full factory reset
Poll device status after the update/reset command to confirm every unit in the group completed the operation
Known gotchas
The webOS Signage Developer portal and SCAP API are gated behind LG partner registration — there is no public self-serve API key
Group firmware push is not guaranteed atomic — some units can fail or drop offline mid-update, leaving mixed firmware versions that must be reconciled with a follow-up status poll
Soft Factory Reset behavior is version-gated to SCAP v1.7.4 / webOS Signage 4.1+; older deployed units fall back to a full factory reset that wipes all local configuration
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