dumbindex Devices that still work when the internet doesn't.

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Updates
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Self-hostable

Security & Access /

safe

Make

Model

Tier

Account

Forced OTA

Price

Verified

SentrySafe

none

no

$200-400

2026-09-03

Method How to check a device yourself Corrections JSON

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Research is agent-assisted and human-reviewed — see Method and How to check a device yourself. Device data is CC BY-SA and available as JSON.

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