Sony suspends A7 IV firmware update after severe issue reports

Sony writes :

We confirmed that some ILCE-7M4 cameras may not operate properly after installing the version 6.00 update. We have suspended the update while we investigate the cause.
If the issue (unstable operations such as repeated reboots) occurs immediately after installing the update, please contact our support center.
We have also confirmed that the camera enters power saving mode when the monitor is closed, regardless of the setting for [Power Save by Monitor]. This issue can be resolved by Initializing all the settings to the default settings.
(December 1, 2025)

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