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You should always be using the latest firmware. If you have an EV3 brick that was produced in mid 2015 or later, it may have a newer Bluetooth chip that requires firmware v1.07 or higher. See http://bricks.stackexchange.com/a/7237/3498 for an unofficial firmware changelog. If updating the firmware does not fix the problem then the name of the comm port ...


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The software for the LEGO Education version of the EV3 needs a license (either a single license or a site license). AFAIK, all EV3 Education purchases come with a Software License, which also includes instructions on where to download the software. There is nothing preventing you from using the retail (non-Education) version of the software though, which is ...


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It sounds like the firmware needs a factory reset. Try this: Remove the battery for 10 seconds and then put it back Hold the Center and Right buttons until "Updating..." pops up on the display Connect the EV3 brick to your PC using USB Update the firmware using "Tools" -> "Firmware Update" in the EV3 software


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Try flashing the firmware. To get into firmware update mode, hold down the right button when turning the EV3 on. (You can also reset the EV3 without removing the battery by holding down the back and enter buttons for a few seconds.) You can find much more detailed information on here.


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My kids have this exact same problem when a program reaches a certain size. Parts of the program that previously worked just fine begin to systematically cause the brick to lock up. We have found, as ridiculous as this sounds, the simple act of adding a variable read immediately before the motor block which seems to cause the brick to lock up will fix the ...



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