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ChatGPT DeviceCheck Registration Failed (403, 500, 503): Real Fixes

This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.

ChatGPT DeviceCheck Registration Failed (403, 500, 503): Real Fixes DeviceCheck errors block ChatGPT login before your password is ever checked, and the official advice about date and time fixes almost none of them. The error means your device could not produce an attestation token proving it is ge…

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  1. 2026-09-07 04:34 · DEV Community — AI
    ChatGPT DeviceCheck Registration Failed (403, 500, 503): Real Fixes

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