Hi,
After having good experience with the RUTM09, we bought another Teltonika router model RUTX09.
During ongoing testing in the field, it turns out that this device for some reason looses the SIM multiple times a day, as such dropping the Tailscale connection and remote access. Which is rather annoying because that’s why we installed the router.
When running, all signal levels are appropriate and the connection is good. It is therefore strange that the SIM is suddenly lost.
What we also noticed is that after a soft reboot (it happened after upgrading the firmware today, but also when I do a reboot via the webGUI), the modem does not seem to function (it says ‘Interface can’t be edited because modem is blocked or disabled’). A power cycle fixes this. EDIT: actually sometimes when we did the power cycle it also did not come up. But today it worked to get the modem to work after a soft reboot.
Router details:
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Device name
RUTX09
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Product code
RUTX0900XXXX
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Bootloader version
2.27.0
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Serial number
6000786376
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Hardware revision
1010
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Batch number
0052
System
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Firmware version
RUTX_R_00.07.24.5
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Kernel version
6.6.126
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Local device time
2026-10-02 19:40:11
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Uptime
0h 24m 2s
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Load average
0.01, 0.17, 0.23
Internal modem
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Model
EG06-E
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IMEI
861330059516582
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FW version
EG06ELAR04A30M4G
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Temperature
49°C
The problem appeared with using two different SIM cards.
The SIM was cleaned today and reseated. Afterwards, it worked stable for multiple hours, before going down again. In the meanwhile it happened at least four times again.
We can share logs etc if necessary.
Can we maybe get the previous firmware, if more stable?