BLHeli 14.x enables Damped Light by default.

Select BlueSeries 30A MULTI firmware and flash But images in docs and mine ZTW Spiders differs a little. For this reason it is important that you update to the version 2.6.0 or newer of Cleanflight Configurator (installation instructions here) in order to get the latest version of your targets installed if you are using the Blackbox Explorer, there will be an updated version 3.5.0 to go with Cleanflight 4. There is no ZTW Spider 40A OPTO Small formware! Documentation states that ZTW Spider 40A should be flashed with BlueSeries 30A firmware. Select ESC (1, 2, 3 or 4) and click Flash BLHeli.BLHeliSuite will detect unknown firmware with SimonK bootloader.From Interface menu select ATMEL BLHeli / SK Bootloader (Cleanflight).It is build in in laster Cleanflight / Betaflight / INAV firmwares

We will be using Cleanflight BLHeli passthrough interface.For unknown reason this information is well hidden in the internet! So, here is short guide: To be true, it took me more time to find out which firmware should those ESC be flashed with, than to flash them. I just did it, the whole process took few minutes. See the CLI section of the docs for details on how to backup and restore your configuration via the CLI.ZTW Spider 40A OPTO Small ESC with stock SimonK firmware can be easily flashed with BLHeli using Cleanflight interface. Some firmware releases are not backwards compatible and default settings are restored when the FC detects an out of date configuration. When upgrading be sure to backup / dump your existing settings. See the board specific flashing instructions. When the progress bar becomes green and reads 'Programming: SUCCESSFUL' you are done!.Click on the 'Flash Firmware' button and hold still (do not breathe, too).Ensure the correct serial port is selected. Connect the flight controller board to the PC.If this is the first time Cleanflight is flashed to the board, tick the 'Full Chip Erase' checkbox.When upgrading review all release notes since your current firmware. IMPORTANT: Read and understand the release notes that are displayed.Click on the 'Choose a Firmware / Board' dropdown menu, and select the latest stable version for your flight controller.Make sure you have internet connectivity and click on the 'Load Firmware ' button.Click on 'Disconnect' if the configurator connected to the board automatically.Connect the flight controller to the PC.Make sure you have the Cleanflight Configurator installed, then: The configurator does not yet support all boards, so please check the documentation corresponding to your board before proceeding. This is a generic procedure to flash a board using the configurator.

Cleanflight firmware flasher offline