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Hi,

My RUT950 doesn't connect to mobile network after boot. However, if I manualy click on Restart Connection, it connect.

I have tried to reset the settings, I have double check the APN, but it still doesn't work properly.

firmware version : RUT9XX_R_00.06.06.1

kernell version : 3.18.44

bootloader : 3.0.1

I can send screenshot and troubleshoot file.

Does anybody can help me ?

Thanks in advance,
by

I also have the same problem on one of several Teltonika RUT950s. I will focus on two - one that works properly and one where the above problem occurs. There are several symptoms that differ between them, listed below.

Until an answer comes for Clément, two possible workarounds: 1. go into Status > Network and press Restart Connection after each reboot. OR 2. Send an SMS command (by default "(password) mobileon", and await reply Mobile turning on). When that answer comes I would appreciate a public answer as to how (or if) the problem is resolved - as in what else was checked, and what configuration was changed in order to solve the problem.

The two RUT950s have identical firmware, both have a primary Ethernet WAN connection, both have 4G SIM cards from the same carrier, and both have local Wi-Fi clients. EDIT: They have both been recently factory reset. Differences (and other similarities) are listed below.

Working RUT950
RUT950 - 4G doesn't connect
From Status > Device page
Product code RUT950MO1XXX
Batch number 0063
Hardware revision 1307
Modem Model EC25
Modem FW version EC25AUFAR02A04M4G
From Status > Device page
Product code RUT9507O1290
Batch number 0031
Hardware revision 0101
Modem Model ME906s-158
Modem FW version 11.617.19.00.302
From Status > System page
Router model Teltonika RUT950 LTE
Firmware version RUT9XX_R_00.06.06.1
Kernel version 3.18.44
Bootloader version 3.0.1 
From Status > System page
Router model Teltonika RUT950 LTE
Firmware version RUT9XX_R_00.06.06.1
Kernel version 3.18.44
Bootloader version 3.0.1 
From Status > Network (Mobile tab) page
Data connection state Connected
Sim card state Ready
Signal strength -63 dBm
Cell ID 136405506
RSRP -99 dBm
RSRQ -14 dB
SINR 4.1 dB
Operator Telstra Mobile
Operator state Registered (home)
Connection type 4G (LTE)
Connected band LTE BAND 28
Signal display mode field does not appear at all

Data connection state Connected
Sim card state Ready
Signal strength -79 dBm
Cell ID 136278787
RSRP -100 dBm
RSRQ -13 dB
SINR -6.9 dB
Operator Telstra Mobile
Operator state Registered (home)
Connection type 4G (LTE)
Connected band -
Signal dispaly mode: Australia region
After pressing Reboot modem it becomes disconnected for a short time, but returns to Connected state (wait 30 seconds, then press Refresh)
After pressing Reboot modem (or reboot of whole system)
Data connection state Disconnected
Sim card state Ready
Signal strength -78 dBm
Cell ID 136278787
RSRP -100 dBm
RSRQ -14 dB
SINR -6.9 dB
Operator Telstra Mobile
Operator state Registered (home)
Connection type 4G (LTE)
Connected band -

It stays in Disconnected state, even after waiting 2-3 minutes then pressing Refresh.
Note: It auto-reconnects after a short time
Note: it never auto-reconnects. I must log in and press the Restart Connection button.
Note: it always displays the band
Note: it never displays the band, even when connected
From Status > Network (WAN tab)
WAN: [Wired] IN USE/WAN Failover: [Mobile] READY
(Green/Yellow)
From Status > Network (WAN tab)
WAN: [Wired] IN USE/WAN Failover: [Mobile] NOT READY
(Green/Red)
WAN configuration is DHCP
WAN configuration is Static
I then send SMS command "(password) status". I get a reply containing status.
I then send SMS command "(password) status". I do not get a reply (unless I have gone in prior to press the Restart Connection button)
Afterwards I look into Status > Events Log > System Events (SMS/Call tab)
6666 2020-06-25 15:50:16 SMS SMS were sent to 614eketahun
6665 2020-06-25 15:50:11 SMS Send status from: +614eketahun
6664 2020-06-25 15:50:10 SMS SMS received from: +614eketahun
Afterwards I look into Status > Events Log > System Events (SMS/Call tab)
96641 2020-06-26 15:18:17 SMS Send status from: +614eketahun
96640 2020-06-26 15:18:17 SMS SMS received from: +614eketahun
Note: reply logged as "SMS were sent to …"
Note: It obviously received and interpreted the SMS, but no "SMS were sent to …" log entry.
Note: "eketahun" represent some fictitious digits (hide private data)
Note: "eketahun" represent some fictitious digits (hide private data)

Let us know if more information should be provided.

EDIT, added this: They have both been recently factory reset.

by

Note : I think this issue appeared just after I upgrade the firmware from :

version : RUT9XX_R_00.01.497 (kernel : 3.10.36)

To : RUT9XX_R_00.06.06.1 (kernel : 3.18.44)

by
I had this problem after upgrading a RUT950 to RUT9XX_R_00.06.07 - Previously had been happily connecting on reboot to the O2 network in the UK every time.

I found that changing the setting to use Auto APN solved it:

Network > Mobile > SIM1 > Auto APN

Now happily reconnects after each reboot.

2 Answers

0 votes
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Hi,

Yes, please send me any information you have gathered with a private message.

Thank you.

EB.
0 votes
by

Not an actual answer, but two possible workarounds: 1. go into Status > Network and press Restart Connection after each reboot. OR 2. Send an SMS command (by default "(password) mobileon", and await reply Mobile turning on).

I'm awaiting a public reply as to a permanent solution.