I have a product using the TELIT 910C1-LA attached to a Rpi3 and all of them are presenting the same behaviour: the modem status is connecting/disconnecting very quickly and I can’t obtain internet connection.
The modem are using a VIVO Sim Card (Standard 4G, Not M2M) from Brazillian phone company, apn is set to zap.vivo.com.br.
Removing the SIM Card from the TELIT and placing in my iPhone, I can have internet connection normally. I am kind of newbie in Linux, my knowledges are more like “I search how to do it and I do it”, but I am having a bad time with this problem.
Thanks in advance!
dmesg | grep tty
[ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=tty1 root=PARTUUID=424042b4-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait fastboot noswap ro
[ 0.000914] console [tty1] enabled
[ 0.899860] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 81, base_baud = 0) is a PL011 rev2
[ 4.219215] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB0
[ 4.220136] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB1
[ 4.221319] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB2
[ 4.222232] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB3
[ 4.222901] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB4
[ 4.231706] cdc_acm 1-1.3:1.0: ttyACM0: USB ACM device
root@pppi(ro):~# lsusb
Bus 001 Device 005: ID 04b4:0003 Cypress Semiconductor Corp.
Bus 001 Device 004: ID 1bc7:1201 Telit Wireless Solutions
Bus 001 Device 006: ID 0424:7800 Standard Microsystems Corp.
Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@pppi(ro):~# mmcli -L
/org/freedesktop/ModemManager1/Modem/0 [Telit] LE910C1-LA
--------------------------------
General | dbus path: /org/freedesktop/ModemManager1/Modem/0
| device id: 0adb7baedc4a377639856e547f3ec0992e82cf12
--------------------------------
Hardware | manufacturer: Telit
| model: LE910C1-LA
| firmware revision: M0F.270010
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id: 354338102582901
--------------------------------
System | device: /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2
| drivers: option1, qmi_wwan
| plugin: Telit
| primary port: ttyUSB2
| ports: ttyUSB2 (at), ttyUSB3 (at), wwan0 (unknown)
--------------------------------
Status | unlock retries: sim-pin (3), sim-puk (10)
| state: connected
| power state: on
| access tech: lte
| signal quality: 71% (recent)
--------------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 2g, 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g, 4g; preferred: none
| allowed: 3g, 4g; preferred: none
| allowed: 2g, 3g, 4g; preferred: none
| current: allowed: 2g, 3g, 4g; preferred: none
--------------------------------
IP | supported: ipv4, ipv6, ipv4v6
--------------------------------
3GPP | imei: 354338102582901
| operator id: 72406
| operator name: VIVO
| registration: home
--------------------------------
3GPP EPS | ue mode of operation: csps-1
--------------------------------
SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
--------------------------------
Bearer | dbus path: /org/freedesktop/ModemManager1/Bearer/0
mmcli -m 6
--------------------------------
General | dbus path: /org/freedesktop/ModemManager1/Modem/0
| device id: 0adb7baedc4a377639856e547f3ec0992e82cf12
--------------------------------
Hardware | manufacturer: Telit
| model: LE910C1-LA
| firmware revision: M0F.270010
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id: 354338102582901
--------------------------------
System | device: /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2
| drivers: option1, qmi_wwan
| plugin: Telit
| primary port: ttyUSB2
| ports: ttyUSB2 (at), ttyUSB3 (at), wwan0 (unknown)
--------------------------------
Status | unlock retries: sim-pin (3), sim-puk (10)
| state: connected
| power state: on
| access tech: lte
| signal quality: 71% (recent)
--------------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 2g, 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g, 4g; preferred: none
| allowed: 3g, 4g; preferred: none
| allowed: 2g, 3g, 4g; preferred: none
| current: allowed: 2g, 3g, 4g; preferred: none
--------------------------------
IP | supported: ipv4, ipv6, ipv4v6
--------------------------------
3GPP | imei: 354338102582901
| operator id: 72406
| operator name: VIVO
| registration: home
--------------------------------
3GPP EPS | ue mode of operation: csps-1
--------------------------------
SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
--------------------------------
Bearer | dbus path: /org/freedesktop/ModemManager1/Bearer/0
GENERAL.DEVICE: ttyUSB2
GENERAL.TYPE: gsm
GENERAL.HWADDR: (unknown)
GENERAL.MTU: 0
GENERAL.STATE: 70 (connecting (getting IP configuration))
GENERAL.CONNECTION: giot
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/27
GENERAL.DEVICE: eth0
GENERAL.TYPE: ethernet
GENERAL.HWADDR: B8:27:EB:A6:F3:50
GENERAL.MTU: 1500
GENERAL.STATE: 10 (unmanaged)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS[1]: 192.168.128.200/24
IP4.GATEWAY: --
IP4.ROUTE[1]: dst = 192.168.128.0/24, nh = 0.0.0.0, mt = 0
IP6.GATEWAY: --
GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536
GENERAL.STATE: 10 (unmanaged)
root@pppi(ro):~# ip addr list
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether b8:27:eb:a6:f3:50 brd ff:ff:ff:ff:ff:ff
inet 192.168.128.200/24 brd 192.168.128.255 scope global eth0
valid_lft forever preferred_lft forever
3: wwan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 0e:da:5d:45:93:31 brd ff:ff:ff:ff:ff:ff
4: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether b8:27:eb:f3:a6:05 brd ff:ff:ff:ff:ff:ff
inet 192.168.50.1/24 brd 192.168.50.255 scope global wlan0
valid_lft forever preferred_lft forever
37: ppp0: <POINTOPOINT,MULTICAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 3
link/ppp
root@pppi(ro):~# ping 8.8.8.8
connect: Network is unreachable
root@pppi(ro):~#