OK EB. I did it everything (I deactivated first the 2 Network Interfaces modem 1 and modem 2).
But after averything and reboot I think now the same. And same old Firmware
Remark: I downloaded a new ZIP File. After extract with 7-Zip I see a Warning "There are some data after the end of the payload data". But I think is nothing, because if I extract with WinRar there is no Warnin message. So I used WinRar.
[email protected]:~# /usr/sbin/quectelFlasher -f /tmp/EG06ELAR04A04M4G -p /dev/ttyUSB2
[000.000] QFirehose Version: LTE_QFirehose_Linux&Android_V1.0.3
[000.000] Builded: Feb 27 2020 21:25:59
[000.000] qusb_noblock_open port_name = /dev/ttyUSB2
[000.001] P: /dev/bus/usb/001/003 idVendor=2c7c idProduct=0306
[000.001] C: /dev/bus/usb/001/003 bNumInterfaces: 5
[000.001] I: If#= 0 Alt= 0 #EPs= 2 Cls=ff Sub=ff Prot=ff
[000.001] E: Ad=81 Atr=02 MxPS= 512 Ivl=0ms
[000.001] E: Ad=01 Atr=02 MxPS= 512 Ivl=0ms
[000.001] I: If#= 1 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[000.001] I: If#= 2 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[000.001] I: If#= 3 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[000.001] I: If#= 4 Alt= 0 #EPs= 3 Cls=ff Sub=ff Prot=ff
[000.742] qusb_noblock_read read=-1, errno: 11 (Resource temporarily unavailable)
[000.742] qusb_noblock_read cur=0, min_size=1
[000.742] switch to 'Emergency download mode'
[001.753] poll_wait events=POLLIN msec=1000 timeout
[001.753] qusb_noblock_read cur=0, min_size=1
[002.763] qusb_noblock_open port_name = /dev/ttyUSB2
[002.764] P: /dev/bus/usb/001/003 idVendor=2c7c idProduct=0306
[002.764] C: /dev/bus/usb/001/003 bNumInterfaces: 5
[002.764] I: If#= 0 Alt= 0 #EPs= 2 Cls=ff Sub=ff Prot=ff
[002.764] E: Ad=81 Atr=02 MxPS= 512 Ivl=0ms
[002.764] E: Ad=01 Atr=02 MxPS= 512 Ivl=0ms
[002.764] I: If#= 1 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[002.764] I: If#= 2 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[002.764] I: If#= 3 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[002.764] I: If#= 4 Alt= 0 #EPs= 3 Cls=ff Sub=ff Prot=ff
[003.773] poll_wait events=POLLIN msec=1000 timeout
[003.773] qusb_noblock_read cur=0, min_size=1
[003.773] switch to 'Emergency download mode'
[004.783] poll_wait events=POLLIN msec=1000 timeout
________________________________.......
________________________________.......
________________________________.......
[082.553] poll_wait events=POLLIN msec=1000 timeout
[082.553] qusb_noblock_read cur=0, min_size=1
[082.553] switch to 'Emergency download mode'
[083.563] poll_wait events=POLLIN msec=1000 timeout
[083.563] qusb_noblock_read cur=0, min_size=1
[084.573] qusb_noblock_open port_name = /dev/ttyUSB2
[084.574] P: /dev/bus/usb/001/003 idVendor=2c7c idProduct=0306
[084.574] C: /dev/bus/usb/001/003 bNumInterfaces: 5
[084.574] I: If#= 0 Alt= 0 #EPs= 2 Cls=ff Sub=ff Prot=ff
[084.574] E: Ad=81 Atr=02 MxPS= 512 Ivl=0ms
[084.574] E: Ad=01 Atr=02 MxPS= 512 Ivl=0ms
[084.574] I: If#= 1 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[084.574] I: If#= 2 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[084.574] I: If#= 3 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[084.574] I: If#= 4 Alt= 0 #EPs= 3 Cls=ff Sub=ff Prot=ff
[085.583] poll_wait events=POLLIN msec=1000 timeout
[085.583] qusb_noblock_read cur=0, min_size=1
[085.583] switch to 'Emergency download mode'
[086.593] poll_wait events=POLLIN msec=1000 timeout
[086.593] qusb_noblock_read cur=0, min_size=1
[087.603] qusb_noblock_open port_name = /dev/ttyUSB2
[087.604] P: /dev/bus/usb/001/003 idVendor=2c7c idProduct=0306
[087.604] C: /dev/bus/usb/001/003 bNumInterfaces: 5
[087.604] I: If#= 0 Alt= 0 #EPs= 2 Cls=ff Sub=ff Prot=ff
[087.604] E: Ad=81 Atr=02 MxPS= 512 Ivl=0ms
[087.604] E: Ad=01 Atr=02 MxPS= 512 Ivl=0ms
[087.604] I: If#= 1 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[087.604] I: If#= 2 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[087.604] I: If#= 3 Alt= 0 #EPs= 3 Cls=ff Sub=00 Prot=00
[087.604] I: If#= 4 Alt= 0 #EPs= 3 Cls=ff Sub=ff Prot=ff
[088.613] poll_wait events=POLLIN msec=1000 timeout
[088.613] qusb_noblock_read cur=0, min_size=1
[088.613] switch to 'Emergency download mode'
[089.623] poll_wait events=POLLIN msec=1000 timeout
[089.623] qusb_noblock_read cur=0, min_size=1
[090.633] qfirehose.c main 203 fail
[email protected]:~#