## Creality Documentation
```
Marlin2.0.8_Ender-3S1_HWv24S1_301_SWV3.2.0_Nine_C_F401_Fused deposition modeling_LASER Jun 10, 2023
Release Notes
Printer: Ender-3 S1
Motherboard main control chip version: STM32F401
Notes:
The firmware is Ender-3 S1 update version, Support nine languages, support adding laser printing module, after updating, you can switch between Fused deposition modeling and laser printing. Please confirm the main control chip model before updating the firmware, only support the model whose main control chip is F401 version.
Firmware update contents:
1. New model picture preview function
2. Support high-speed printing (160mm/s) & optimization of vibration pattern
3. Support automatic PID setting
4. Display/edit leveling data
Display firmware update：
1. Format the TF card on the computer side, and select 4096 for the allocation unit size.
2. Put the file "private" 、“DWIN_SET”、“TJC_SET”and “firmware.zlib”into the TF card at the same time.
3. Turn off the printer and insert the TF card into the card slot on the back of the screen.
4. Reboot and wait for the update to finish.
5. After finishing the update, remove the TF card and delete the files inside.
Mainboard firmware update：
1. Format the SD card on the computer side, and select 4096 for the allocation unit size.
2. Put the STM32F4_UPDATE folder into the SD card (THIS STEP IS REQUIRED， PLEASE NOTE！).
3. Turn off the printer and insert the SD card into the card slot on the motherboard.
4. Reboot and wait for the update to finish.
5. After finishing the update, remove the SD card from the motherboard slot and delete the bin file inside.
```
#3d_printing