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  1. #1
    Junior Member

    Firmware Downgrade

    Hello, I recently upgraded the firmware on my camera to 1.11
    After the upgrade, my Sigma lens stopped autofocusing. I placed the lens on another camera and it works perfectly. My question, is it possible to revert to the 1.10 firmware version without damaging the camera. Thank you


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  2. #2
    Senior Member
    Bikerbrent's Avatar

    Re: Firmware Downgrade

    It is my understanding that you can not revert your camera to a previous version of the firmware. Unless it is a Sigma lens with docking capability, you will have to send it into Sigma for them to update the lens firmware.
    Best Answers atonyb1 voted best answer for this post
     
    Brent: Poway, CA
    D7200, D200, F100
    Tokina 12-24mm
    Nikon 18-200mm
    Tokina 28-70mm f2.6-2.8
    Nikon 80-200mm f2.8
    Sigma 150-600mm
    Nikon 50 AF f1.8
    Tokina 100mm f2.8 Macro
    Nikon SB800

  3. #3
    Senior Member
    Ironwood's Avatar

    Re: Firmware Downgrade

    Quote Originally Posted by Bikerbrent View Post
    It is my understanding that you can not revert your camera to a previous version of the firmware. Unless it is a Sigma lens with docking capability, you will have to send it into Sigma for them to update the lens firmware.
    I always thought the same as well, but a few months ago there was someone on here that said they did revert back to the old version.
    Best Answers atonyb1 voted best answer for this post
     
    Brad


    Every Day might not be a good Day,
    ​ but there is something good in every Day.

  4. #4
    Staff
    Super Mod
    hark's Avatar

    Re: Firmware Downgrade

    I don't have an answer for you, but when looking online to see what people have asked, I came across a compatibility discussion. It says Tamron and Tokina pay licensing fees to Nikon while Sigma doesn't. Supposedly that's why Sigma owners keep running into problems with their lenses not being compatible. And that's why Sigma can't freely allow the firmware to be obtained online. It has to come through their dock.

    I always preferred Sigma over the other 3rd party lenses, but if this is the case, it's making me rethink my opinion on Sigma.

    https://photo.stackexchange.com/ques...ibility-issues
    Best Answers atonyb1 voted best answer for this post
     
    Cindy
    Flickr
    and My 2019 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci



  5. #5
    Junior Member

    Re: Firmware Downgrade

    Quote Originally Posted by atonyb1 View Post
    Hello, I recently upgraded the firmware on my camera to 1.11
    After the upgrade, my Sigma lens stopped autofocusing. I placed the lens on another camera and it works perfectly. My question, is it possible to revert to the 1.10 firmware version without damaging the camera. Thank you
    I thank everyone for their suggestions. However, I was able to solve by problem two ways. First, I was able to downgrade the firmware on my camera. Downgrading was the same as upgrading, the same procedure in involved. Just copy the previous version of firmware to the SD card. Insert the card in the camera, go to your menu under firmware update, and install. Works great. Second, Sigma said that they will upgrade the firmware for my lens free of charge. All I have to do is pay for shipping. Instead, I opted to purchase a USB Dock from Sigma so that I would be able to upgrade the firmware for my lens myself in the future. Again, think you for your assistance.
    Thanks/Like Ironwood, Marcel Thanks/liked this post
     

  6. #6
    Senior Member
    Ironwood's Avatar

    Re: Firmware Downgrade

    Sounds like a good outcome .
    Best Answers atonyb1 voted best answer for this post
     
    Brad


    Every Day might not be a good Day,
    ​ but there is something good in every Day.





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