BTT_SKR_13_14_14T_SD-DFU-Bootloader Alternatives

BTT_SKR_13_14_14T_SD-DFU-Bootloader reviews and mentions

• Is it possible to delete the boot loader on a SKR 3 EZ?
  1 project | /r/BIGTREETECH | 17 Mar 2023

  Take a look at https://github.com/GadgetAngel/BTT_SKR_13_14_14T_SD-DFU-Bootloader -- it may help. It's not only for the larger boards.

• SKR V1.4 Turbo: update firmware w/out SD card?
  3 projects | /r/BIGTREETECH | 29 Jan 2023
• SKR 3 EZ Bootloader FW
  1 project | /r/BIGTREETECH | 16 Aug 2022

  However, I couldn't manage to find the original bootloader for this chip. I found this : https://github.com/GadgetAngel/BTT_SKR_13_14_14T_SD-DFU-Bootloader which is very interesting for many older BTT controllers, but not the SKR 3 EZ.

• Bootloader broken on 4.2.7 board?
  1 project | /r/ender3 | 2 Jan 2022

  If you want to investigate, you might start by looking at https://github.com/GadgetAngel/BTT_SKR_13_14_14T_SD-DFU-Bootloader

• Upgrade fw without sdcard ?!
  1 project | /r/BIGTREETECH | 21 Sep 2021

  The only other way is to use a little programmer such as an ST-Link, which looks similar to but is different from the little USBasp programmers that can be used for 8-bit boards. An ST-Link can flash firmware directly, but it's not as simple as using the SD card. See, for example, https://www.youtube.com/watch?v=7O_ZOdnM0SU and https://github.com/GadgetAngel/BTT_SKR_13_14_14T_SD-DFU-Bootloader

• My micro sd card reader on my btt seems to be broken can I use a usb isp to update the firmware instead?
  1 project | /r/ender3 | 9 May 2021

  For LPC based boards this may help. It seems to allow flash over USB.

• SKR Mini E3 v2.0 doesn't update its firmware even if the firmware.bin change to firmware.cur
  1 project | /r/BIGTREETECH | 4 May 2021

  It doesn't sound like an EEPROM fault, because that only affects various settings, not what functions and codes it supports. It sounds like something is wrong with the bootloader, eg it's reading the firmware file but not storing it. If nothing else works, is it worth getting a little STLink in-system programmer and reinstalling the bootloader and firmware completely? There's a link at https://github.com/GadgetAngel/BTT_SKR_13_14_14T_SD-DFU-Bootloader which should be helpful if you want to try that.

• I think I bricked my skr 1.4 turbo
  1 project | /r/BIGTREETECH | 30 Apr 2021

  (If all else fails, you can try reflashing the bootloader - something on this page may help you.)

• SKR V1.4T AGAIN!
  1 project | /r/BIGTREETECH | 5 Mar 2021

  Technically, it's possible to use a programmer to update the firmware, and I've seen descriptions of how to do that with various small programmers. Here's an example. Perhaps a google search will find more information, given that it does exist. People have used that technique to read and (re)load bootloaders and firmware.

• Skr V14t Reflash Bootloader
  1 project | /r/BIGTREETECH | 29 Jan 2021
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