Hi everyone,
I have a ZTE MF833U1 modem, which is not recognized as a modem. I can see it in
lsusb
Bus 002 Device 001: ID 1d6b:0001 Linux 5.4.154 ohci_hcd Generic Platform OHCI controller
Bus 001 Device 003: ID 19d2:1405 DEMO,Incorporated DEMO Mobile Boardband
Bus 001 Device 001: ID 1d6b:0002 Linux 5.4.154 ehci_hcd EHCI Host Controller
lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
|__ Port 1: Dev 3, If 0, Class=, Driver=cdc_ether, 480M
|__ Port 1: Dev 3, If 1, Class=, Driver=cdc_ether, 480M
|__ Port 1: Dev 3, If 2, Class=, Driver=usb-storage, 480M
and in the /sys/kernel/debug/usb/devices file
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 1
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev= 5.04
S: Manufacturer=Linux 5.4.154 ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=101c0000.ehci
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms
**T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=480 MxCh= 0**
**D: Ver= 2.00 Cls=02(comm.) Sub=00 Prot=00 MxPS=64 #Cfgs= 1**
**P: Vendor=19d2 ProdID=1405 Rev=58.24**
**S: Manufacturer=DEMO,Incorporated**
**S: Product=DEMO Mobile Boardband**
**S: SerialNumber=1234567890ABCDEF**
**C:* #Ifs= 3 Cfg#= 1 Atr=c0 MxPwr=500mA**
**A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=06 Prot=00**
**I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether**
**E: Ad=87(I) Atr=03(Int.) MxPS= 16 Ivl=32ms**
**I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether**
**I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether**
**E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms**
**E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms**
**I:* If#= 2 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage**
**E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms**
**E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=125us**
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 1
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0001 Rev= 5.04
S: Manufacturer=Linux 5.4.154 ohci_hcd
S: Product=Generic Platform OHCI controller
S: SerialNumber=101c1000.ohci
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms
In dmesg I can see it's recognized as a modem capable device
[ 4.003762] usbcore: registered new interface driver usbfs
[ 4.014796] usbcore: registered new interface driver hub
[ 4.025496] usbcore: registered new device driver usb
[ 4.090866] phy phy-usbphy.0: remote usb device wakeup disabled
[ 4.102650] phy phy-usbphy.0: UTMI 16bit 30MHz
[ 4.451799] usb 1-1: new high-speed USB device number 2 using ehci-platform
[ 13.477006] usbcore: registered new interface driver cdc_wdm
[ 13.667793] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 13.695977] usb-storage 1-1:1.0: Quirks match for vid 19d2 pid 1225: 1
[ 13.722627] scsi host0: usb-storage 1-1:1.0
[ 13.731819] usbcore: registered new interface driver usb-storage
[ 13.818710] usbcore: registered new interface driver usbserial_generic
[ 13.831855] usbserial: USB Serial support registered for generic
[ 13.923361] usbcore: registered new interface driver cdc_eem
[ 13.947634] usbcore: registered new interface driver cdc_ether
[ 13.988763] usbcore: registered new interface driver cdc_ncm
[ 14.001222] usb 1-1: USB disconnect, device number 2
[ 14.030866] usbcore: registered new interface driver cdc_subset
[ 14.106837] usbcore: registered new interface driver huawei_cdc_ncm
[ 14.326908] usbcore: registered new interface driver qmi_wwan
[ 14.356406] usbcore: registered new interface driver rndis_host
[ 14.434782] usbcore: registered new interface driver cdc_mbim
[ 14.672203] usb 1-1: new high-speed USB device number 3 using ehci-platform
[ 14.998471] usbcore: registered new interface driver option
[ 15.009726] usbserial: USB Serial support registered for GSM modem (1-port)
**[ 15.077404] cdc_ether 1-1:1.0 eth1: register 'cdc_ether' at usb-101c0000.ehci-1, ZTE CDC Ethernet Device, 34:4b:50:00:000**
[ 15.182426] usb-storage 1-1:1.2: USB Mass Storage device detected
[ 15.211408] scsi host0: usb-storage 1-1:1.2
A far as I can tel I need to do an usbmode change. I went thru the documentation, but I can't figure out how can I do that, which mode should I chose, (my json is much more complex, than the example in the docu, and can't figure out, which mode should I choose).
Thanks for any advice and help!