Question about Nikon D3100 Digital Camera

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Hi Just been ripped off on ebay, don't know if anyone can help? Bought a firmware upgraded d3100 which apparently was done to give an improved bit rate. I asked the seller if it affected the

Don't think anything can be done.....think Ive been well and truly ripped off.

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Hi Andrew - There are several hacked firmware files for this camera. Most that I have seen deal with allowing 3rd party battery usage, 17 minute video, unlimited video and variable shutter and aperture control during video recording. There may be others. I suggest you either (a) contact eBay and open a dispute resolution ticket to return the camera to get your money back or (b) try installing an authentic Nikon 3100 firmware from & as per instructions on the site:

Understand that option (a) is preferential. If for some reason you can not do (a) then (b) would be the next step. Any time firmware is updated, there is a risk of damaging the hardware. This is especially true if power is removed during the process - but other things can happen, too. Finally, if (b) doesn't work for you then you may have to hack the firmware as shown in the link below (or your choice of hacks):

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Finally after 4 years we have a hacked/custom firmware that enable full manual video control on the Nikon D3100 DSLR. Just like the D3200 or Canon 5D, 7D ect. you can simple adjust the shutter speed/angle and the ISO sensitivity of video as well as the usual aperture control. You can even adjust shutter speed while recording!

Download Link:

Posted on Nov 20, 2014

  • andrew bucknall
    andrew bucknall Nov 20, 2014

    is it possible to reinstall firmware once its been hacked? Or is there a hack that is specifically to go over an already hacked camera?

  • Steve Nov 21, 2014

    Sometimes, firmware can only be updated to newer versions. Other times, you can go back to an earlier firmware version of you choosing; or be limited by the manufacturer to only go back to a certain point. You *should* be able to reinstall firmware if it is the same version number or higher than the one curently installed. If the hacked firmware changed the version number to one that is greater than is officially available and *if* Nikon prevents rolling back to an "older" firmware version - it's going to be a problem. I don't expect it would fail catestrophically - but rather provide a message that it "could not be upgraded", or similar. Display the installed version of the firmware on the camera via menu (details on how to do that are on the Nikon firmware page I provided). If reports that it is a version that is the same or less as the one offered by Nikon - you should be able to re-install it. Contacting Nikon support about reinstalling firmware is the ultimate source for an answer on this though. Or - you may "brick" the camera. That's not likely - but is *possible* when dealing with firmware. I'm assuming you want to press forward with a firmware change because you cannot return the camera, so when uploading firmware, make sure you've got fully charged batteries installed *first*. Good luck!


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It's free from Nikon go to
Its nothing to worry about.

Posted on Nov 21, 2014

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Affected the what?

Posted on Nov 20, 2014

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SOURCE: flashing red square area in viewfinder.

No, I don't think so, there could be differences between the Auto and the P setting. But the red flashing is where your camera is currently focusing on. It's possible that the black was indicating the focus box, but it was not latched on to something with complete focus, which then is indicated by the red flashing. Check this link to read up further on this. I may not have pinpointed it exactly, because I have a D70s, but that's what I found so far. You'll maybe have to reset everything and see if it's still there, otherwise, it's a setting. =)

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SOURCE: Nikon Coolpix L4 flash not working

This has happened to mine a couple of times. I cannot select flash, and the blur indicator is on most of the time.
Solution is to go into 'menu', select 'SET UP' then 'reset all'. My flash selection then works again.
Since one doesn't tend to set much up with a basic camera like this, resetting shouldn't cause any issues.
Hope this helps

Posted on Dec 11, 2008

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SOURCE: New 4GB CF card for E5400, camera gives 'out of memory' message

So far as I am aware, the 5400 will support only up to 2GB cards. As to the firmware upgrade you mention, I don't recall that that has any bearing on the max. card capacity; but it's worth doing for the RAW format support (for me, at least). Cheers and good shooting. Davo, Tas. 

Posted on Oct 25, 2009

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SOURCE: ERR message flashing. IT wont allow me to take anything

i had the same exact thing happen yesterday while shooting a wedding have NO idea why this happened, after my hsband running out and buying a new D 90 1,000 later my camers D80 is workking agin today???? did you find out why this happened to yours??? email back @ Thank you I am going to takemine it to be serviced and cleaned mabe that seems to be the issue

Posted on Feb 01, 2010

  • 91 Answers

SOURCE: my nikkon coolpix is a month new and almost only 3

1.Check if something block it (maybe sand or smt like that
2. Never pushed lens manualy (you may broke it completly)
3.Just try to shake or slap it jently while open or close it.

Posted on Jun 07, 2011

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