TFT70 no touch after update Home › Forums › bigtree-tech › TFT70 no touch after update This topic has 1 reply, 2 voices, and was last updated 3 weeks ago by bedilaci. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 30, 2020 at 12:16 pm #113 DgrossParticipant Hello, I bought a BTT TFT70. After updating to the latest firmware, the touch function no longer works. What can be the reason? Greetings Linus January 1, 2021 at 9:06 am #115 bedilaciParticipant Hi, make an empty txt, name: reset.txt, and giv an empty SD card, insert to SD slot and power on tft, and make calibrate. Enjoy Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In