Update: How to unbrick／recover your Creality Box In many cases, the brick of a Creality box is caused by a power failure or the card removal, so the box will not be turned on anymore. Please follow the procedures below to fix the bricked Creality Box： 1, Prepare a normal U disk / USB card reader (you need to ensure that the system of the u disk is FAT32, it is best to choose to read and write with an indicator). 2, Power off the WiFi box . 3, Unzip the upgrade file, copy the root_uImage to the usb U disk; file download address (http://file2-cdn.creality.com/model/cfg/box/latest/cxsw_update.tar.bz2) 4, Insert the USB flash drive into the board's usb port (either of the two ports can be). 5, Long press the Reset button (holding the Reset for at least 6 seconds or a bit longer), and then plug the Wifi box into the power cord to power up (the order can not be reversed), when the green light is on you can release the reset button, the Creality Box will go to ‘updating’ mode which may cost about 1 minute. 6, If the U disk has an indicator light, the flashing of the light will be observed. 7, After the updating, Creality Box will start automatically and the yellow light will flash that indicates you successfully recovered your Creality Box. Notice：Absolutely no power failure while the upgrade is in progress, power failure will result in a brick machine!