Sony a9 Firmware 1.01 For Overheating


Sony released firmware 1.01 to improve the overheating warning function today. There was some speculation that the warning came from the SD card in the second SD card slot, but I was never able to reproduce it on my camera with the 4 different card types I tried. Hopefully, this resolves the issue for everyone. The firmware isn’t specific, but it will be interesting to see what the users that first reported overheating experience after the patch.

Maybe Sony increased the thermal limitations due to a sensor not being accurate enough or slightly miss placed internally. It looks like we will never know for sure what the issue was if this patch works for everyone affected.

You can download firmware 1.01 here. (Temporarily Pulled)

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  • DLynch

    No details from Sony just a software change? That really wouldn’t make me feel too comfortable if I was a A9 owner or buyer.

    • If my camera had an over heat I would swap it… there are a few probable answers, but I’m pretty sure this is a non issue.