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Attempts to update to 4.3.x fail
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Hi i tried the reddit group but got no help at all trying here.

it has an A board.

system: ChiTu L 5.5 Seriesid: long id number here.version: v42.20.3_LCDE /1440X2560 /F2.9

file downloaded: ELEGOO MARS C Firmware V4.4.1_LCDF_1440_2560_F2.14 20210603only contains:ALFPGA_SPI_MIPI_CTB_P316_140_F214_pro.CBD

update.sh4

turn machine on.put usb stick in.

i select update.sh4. Unkown file type error. sits there does nothing. usb stick not flashing.i select the other .cbd file. same.. nothingturn machine off.

remove usb stick

turn machine on. still on old firmware.

put stick in machine.

turn on. no beeping straight up. repeat.

format 2nd 16 gig usb stick. same. clean/format 2nd 16 gig usb 2 stick. format it 4096 (saw earlier post this worked) nope still Unkown file type.

HEELP. I need to use the new version of cura. but my printer won't update. it's a type A board. (opened the front face and saw the youtube video showing both.
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