PrusaMK3S+ MMU2S Failed firmware upgrade to 3.10.1  

PrusaMK3S+ MMU2S Failed firmware upgrade to 3.10.1

It's impossible to upgrade to 3.10.1 for me after the end of the upgrand i show this un my terminal and my printer wont boot up (Need power cycle) if i unplug my mmu2s my printer don't boot and wait plug of my mmu2s... 

The output of my programming try... i have tryed twice. If you have any idea 🙂

avrdude-slic3r -v -p atmega2560 -c wiring -P COM11 -b 115200 -D -U flash:w:0:C:\Users\thebo\Desktop\prusa3d_fw_MK3S_MK3S+_3_10_1_4697.hex:i

avrdude-slic3r: Version 6.3-20160220-prusa3d, compiled on Dec 21 2021 at 17:14:48 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch

Using Port : COM11 Using Programmer : wiring Overriding Baud Rate : 115200 AVR Part : ATmega2560 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail :

Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 10 8 0 no 4096 8 0 9000 9000 0x00 0x00 flash 65 10 256 0 yes 262144 256 1024 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00

Programmer Type : Wiring Description : Wiring Programmer Model: AVRISP Hardware Version: 15 Firmware Version Master : 2.10 Vtarget : 0,0 V SCK period : 0,1 us

avrdude-slic3r: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0,01s

avrdude-slic3r: Device signature = 0x1e9801 (probably m2560)avrdude-slic3r: safemode: hfuse reads as D0avrdude-slic3r: safemode: efuse reads as FDavrdude-slic3r: reading input file "C:\Users\thebo\Desktop\prusa3d_fw_MK3S_MK3S+_3_10_1_4697.hex"avrdude-slic3r: writing flash (251278 bytes):

Writing | ################################################## | 100% 44,91s

avrdude-slic3r: 251278 bytes of flash writtenavrdude-slic3r: verifying flash memory against C:\Users\thebo\Desktop\prusa3d_fw_MK3S_MK3S+_3_10_1_4697.hex:avrdude-slic3r: load data flash data from input file C:\Users\thebo\Desktop\prusa3d_fw_MK3S_MK3S+_3_10_1_4697.hex:avrdude-slic3r: input file C:\Users\thebo\Desktop\prusa3d_fw_MK3S_MK3S+_3_10_1_4697.hex contains 251278 bytesavrdude-slic3r: reading on-chip flash data:

Reading | ################################################## | 100% 32,18s

avrdude-slic3r: verifying ...avrdude-slic3r: 251278 bytes of flash verified

avrdude-slic3r: safemode: hfuse reads as D0avrdude-slic3r: safemode: efuse reads as FDavrdude-slic3r: safemode: Fuses OK (E:FD, H:D0, L:FF)

avrdude-slic3r done. Thank you.

avrdude-slic3r -v -p atmega2560 -c arduino -P COM11 -b 115200 -D -u -U flash:w:1:C:\Users\thebo\Desktop\prusa3d_fw_MK3S_MK3S+_3_10_1_4697.hex:i

avrdude-slic3r: Version 6.3-20160220-prusa3d, compiled on Dec 21 2021 at 17:14:48 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch

Using Port : COM11 Using Programmer : arduino Overriding Baud Rate : 115200avrdude-slic3r: prusa_init_external_flash(): MK3 printer did not boot up on time or serial communication failedavrdude-slic3r: arduino_open(): Failed to initialize MK3 external flash programming modeavrdude-slic3r: Could not open port: COM11

avrdude-slic3r done. Thank you.