Update Firmware

2026-08-12
Update history
Date Version Author Update content
2026-08-12 v0.2 Sipeed
  • Added the fixes in `slogic_combo8_pack_202608121500.bin` and post-upgrade checks
2023-09-01 v0.1 lxo
  • Release docs

The following are the steps to update the firmware of SLogic Combo 8

Download Tool and Firmware

Tool: Click to download

Firmware: Click to download

Use the latest flashing tool. Select slogic_combo8_pack_202608121500.bin or a newer firmware release, then extract the downloaded files.

Note:When the firmware is named slogic_combo8_pack_202308171404.bin, the date is 17/08/2023. The date naming rules are similar for other firmware.

slogic_combo8_pack_202608121500.bin includes these fixes:

  • LA: fixes the dirty waveform on a floating CH7.
  • DAPLink: fixes serial instability and improves sustained high-speed transfers, serial-setting changes, and recovery after USB reconnection.

Configure Tool

  1. Start the tool

    After decompression, the execution files of different system environments are provided in the root directory of the tool.

    For Windows users：Double-clickBLDevCube.exeto start

    For Linux users：Double-clickBLDevCube-ubuntuto start。Note that the Linux environment needs to add executable permissions sudo chmod +x BLDevCube-ubuntu

  2. Select chip

    After startup, select BL616/618 and click Finish

    chip_selection

  3. Enable Single Download Options and add the downloaded firmware

    config_download_firmware

Configure device

Put SLogic Combo 8 into burning mode

enter_the_burn_mode

Steps:

  1. Long press the button
  2. Power on again
  3. Observe that the LED light is off, the operation is successful

Burn firmware

Configure the serial port and baud rate, and click Create & Download to download

download_firmware

When the progress bar turns green, power-cycle the device and check the update:

  1. Switch to blue logic-analyzer mode and confirm that the system detects SLogic8 U2.
  2. Switch to green DAPLink mode and confirm that the system detects RV CMSIS-DAP.
  3. If the update was intended to resolve DAPLink serial or debug stability, repeat the original test with the same wiring and baud rate.