Geeetech

oh, Jarda3d is right.

Thanks for your feedback.
You can try to use the firmware toolkit to flash the firmware back to the original firmware.
If you cannot flash it back, you can replace the motherboard.

Hi，have you tried uploading the firmware while holding down the reset button of the printer,
If you still cannot upload successfully, you can contact your sales to replace the motherboard.

Hi, You need to level the hot bed,
The slicing software recommends using Repetier Host or cura;
Reslice and print
You can also provide printed pictures so that we can better solve the problem.

and if you have this problem during the update process like this: GE@]BE@QP~13RO4863%2N97.png you need copy these unzipped files directly to the root of sd T{O_EP4{%74[]2OU1UC5) 01(1.png The config.txt file needs to be written by itself C)SUMOSK{ULDYLZ)(H02(1)}W.png Then insert the SD card into the...

Hi,Guys

the Geeetech A20T Cura profile

you can download
PS:Contains specific operating instructions

Hi,Guys

the A10T Curaprofile

you can download

PS:Contains operating instructions

Hi,Guys.

the firmware about the A20T TMC2208

you can download from this link :

Hi, guys.
something about the low-temperature repair.
you can refer to this link；

Hi, Can you provide specific operation videos?
So that we can better solve the problem