Steps

Change screen

1. Turn if off and unplug it
2. Remove two screws on the metal front piece and 4 on it
3. Take photo of connections to be able to rool back if needed
4. Unplug all from old and plug it back in the new one
5. Put two screws on the metal front piece and 4 on it

Update firmware - Normal way

1. Download the lastest version on Official Github
2. https://github.com/bigtreetech/BIGTREETECH-TouchScreenFirmware/tree/master/Copy%20to%20SD%20Card%20root%20directory%20to%20update
3. Copy the contents of the archive to the root of the SD card
4. Turn off the printer, put the SD card in the screen slot and turn on the printer
5. A loading screen will appear, otherwise you have try to flash a wrong file
6. /!\ It is not possible to go through the USB port!

Update firmware - Via wifi module (if you have installed it)

1. Download the lastest version on Official Github
2. Connect to ESP3D (default password: 12345678)
3. Go on http://192.168.0.1
4. Upload "BIGTREE_TFT35_V3.0.25.bin" file as Firmware update
5. Shutdown the printer, then turn it on
6. If it worked, you will see "3.0.25" in your Settings -> Information, otherwise you have try to flash a wrong file
7. /!\ You can edit images in the "TFT35" folder, but you have to respect size, to be able to customize interface!

Add Web UI to wifi module

1. Check your partitions, you must have as following
2. "Taille du flash : 1M (512K SPIFFS)"
3. "Mode Flash : DOUT (compatible)"
4. Connect to ESP3D (default password: 12345678)
5. Go on http://192.168.0.1
6. Upload "index.html.gz" file from Official Github as Filesystem
7. You must have correct partition, otherwise you will have not be able to do it and get a blank page!
8. 4. Shutdown the printer, then turn it on
9. If it worked, you have a "assistant" page, otherwise you have try to flash a wrong file

Update wifi module Firmware

1. Download Flash Tool (from __LINK__ )
2. Select "v1.3.0.2 AT Firmware.bin" (or newer) as "BIN" field
3. /!\ Sometimes, you need to flash "blank.bin" first to completly clear it!
4. Connect your ESP-01S on your "USB to TTL serial converter", then to your PC
5. Put the "USB to TTL serial converter" port as "COM" field
6. /!\ Don't change the "0x00000" address!
7. Click on "Install" button

If you want to check if it works:

1. Open "Arduino IDE" -> "Serial Monitor"
2. Select "Both, NR and CR” mode
3. Select "9600 baud" for the speed (you can set 115200 baud if you have mistake after)
4. Type "AT" and if it works, it will answer ou with "OK" message
5. Type "AT+GMR" and if it works, it will answer you with your AT version and "OK" message
6. Unplug from PC and put it back on the "FIL-DET" port of your TouchScreen

Add "Filament Runner Out" to your TouchScreen

1. Simply plug it in the "FIL-DET" port
2. Enable it on your screen settings
3. /!\ You can print a support for it to attach it next your extruder!

Add Wifi connection for Cura

1. Open Cura
2. Add "MKSWifiPlugin" extension

Known Issue

1. If you have "No Printer Attached" error, you have to update your Firmware!

Mute

1. Menu > Settings > Screen > Sound > Disable all (except Heater)

Idle mode

1. Menu > Settings > Screen > Brightness > Idle timeout > OFF