Activation Codes and Methods, Hardware Details, Sniffing
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amanu
Posts: 1
Joined: Wed Jan 24, 2018 9:18 am

ZTE MF710M

Post by amanu » Wed Jan 24, 2018 9:36 am

After a long and hard try, I can't get my MF710M to switch to serial mode so that I can use it to send AT commands. I commented out the udev rule, but the device still switches to 19d2:1405.

Dmesg output.

Code: Select all

[182533.486938] usb 2-3: New USB device found, idVendor=19d2, idProduct=1225                             
[182533.486940] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=4                        
[182533.486942] usb 2-3: Product: ZTE Mobile Broadband                                                   
[182533.486943] usb 2-3: Manufacturer: ZTE,Incorporated                                                  
[182533.486945] usb 2-3: SerialNumber: 1234567890ABCDEF                                                  
[182533.489666] usb-storage 2-3:1.0: USB Mass Storage device detected                                    
[182533.489789] usb-storage 2-3:1.0: Quirks match for vid 19d2 pid 1225: 1                               
[182533.489889] scsi host6: usb-storage 2-3:1.0     
[182533.490455] usb 2-3: USB disconnect, device number 40                                                
[182533.864806] usb 2-3: new high-speed USB device number 41 using xhci_hcd                              
[182534.009742] usb 2-3: New USB device found, idVendor=19d2, idProduct=1405                             
[182534.009746] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3                        
[182534.009748] usb 2-3: Product: ZTE Mobile Broadband                                                   
[182534.009750] usb 2-3: Manufacturer: ZTE,Incorporated                                                  
[182534.009752] usb 2-3: SerialNumber: 1234567890ABCDEF                                                  
[182534.018099] cdc_ether 2-3:1.0 usb0: register 'cdc_ether' at usb-0000:00:14.0-3, ZTE CDC Ethernet Device, 42:b4:a2:10:c0:5a
[182534.019699] usb-storage 2-3:1.2: USB Mass Storage device detected                                    
[182534.019803] scsi host6: usb-storage 2-3:1.2     
[182534.569214] cdc_ether 2-3:1.0 enp0s20u3: renamed from usb0                                           
[182534.604461] IPv6: ADDRCONF(NETDEV_UP): enp0s20u3: link is not ready                                  
[182534.604817] cdc_ether 2-3:1.0 enp0s20u3: kevent 12 may have been dropped                             
[182534.629912] cdc_ether 2-3:1.0 enp0s20u3: kevent 11 may have been dropped                             
[182534.630699] IPv6: ADDRCONF(NETDEV_UP): enp0s20u3: link is not ready                                  
[182534.693996] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s20u3: link becomes ready                             
[182535.026065] scsi 6:0:0:0: CD-ROM            ZTE      USB SCSI CD-ROM  2.31 PQ: 0 ANSI: 2             
[182535.028697] scsi 6:0:0:1: Direct-Access     ZTE      MMC Storage      2.31 PQ: 0 ANSI: 2             
[182535.031340] sr 6:0:0:0: [sr1] scsi-1 drive      
[182535.031716] sr 6:0:0:0: Attached scsi CD-ROM sr1                                                     
[182535.031948] sr 6:0:0:0: Attached scsi generic sg2 type 5                                             
[182535.032380] sd 6:0:0:1: Attached scsi generic sg3 type 0                                             
[182535.047743] sd 6:0:0:1: [sdb] Attached SCSI removable disk                                           
[182536.156159] ISO 9660 Extensions: Microsoft Joliet Level 1                                            
[182536.156191] ISOFS: changing to secondary root   
[182542.480799] cdc_ether 2-3:1.0 enp0s20u3: kevent 12 may have been dropped

Code: Select all

Bus 002 Device 041: ID 19d2:1405 ZTE WCDMA Technologies MSM 
I have no idea which udev rule is being executed. I've tried so many message contents to switch it to `1403` (I think that is the serial mod) but none of them are working.

who is printing `usb-storage 2-3:1.0: Quirks match for vid 19d2 pid 1225: 1 ` is that maybe what's switching it?

EDIT: The storage drive is still visible even when the device is connected via cdc_ether mdoe

LOM
Posts: 1286
Joined: Wed Jul 11, 2012 3:14 pm
Location: Koh Samui, TH

Re: ZTEMF710M

Post by LOM » Wed Jan 24, 2018 12:00 pm

amanu wrote:After a long and hard try, I can't get my MF710M to switch to serial mode so that I can use it to send AT commands. I commented out the udev rule, but the device still switches to 19d2:1405.
There is no serial mode in MF710M, it is a direct network adapter and not a dialup modem.

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