AT&T 3G Network shutdown information

From Teltonika Networks Wiki

As of February 22nd, 2022, AT&T, due to ongoing network improvement and 5G service expansion, will phase out its 3G network. This article will describe what steps are necessary to prepare for upcoming changes.

Teltonika Networks 3G devices

While AT&T will shut down its 3G network, Teltonika Networks devices will still work with other 3G service providers. There will be a required firmware upgrade to ensure stability and compatibility with regulation changes.

What actions do I need to take?

Must upgrade the affected devices to the latest firmware before February 22nd, 2022, to avoid service interruptions on the AT&T 4G network.

  • For RUTOS capable devices: 07.01.2
  • For RUT9XX legacy users: 06.08.6
  • For RUT24X legacy users: 1.14.5

Latest firmware versions could be found here

Firmware upgrade

These changes require two steps:

  1. Fetching new LTE Modem firmware to Teltonika Networks device.
  2. Automatic update LTE modem firmware (20MB size) on your Teltonika device. Modem firmware will be updated automatically.

After the device firmware upgrade is complete. The automatic LTE modem firmware update will commence.

The banner on top will indicate if the modem upgrade is still in progress or is finished.

If the modem upgrade is complete, you will get following message in the banner:


What do I need to know about this firmware update?

  • LTE Modem firmware flashing duration is around 15-30 minutes
  • Do not turn off the device
  • During LTE Modem firmware flash normal functionality of the Teltonika Networks device will be impaired:
    • No Mobile Data connection, SMS, call functions;
    • Possible WebUI issues;

What happens if I power my device off during Modem flashing procedure?

  • LTE Modem will not be bricked!
  • LTE Modem firmware download and reflash procedure will start again once the router boots up.

Affected products

Product group Product code Modem Modem FW version FW version/Link SDK version/Link
RUT240 RUT24001**** Quectel EC25-A EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT2_R_00.07.01.2
RUT24007**** Quectel EG25-G EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT2400A**** Quectel EC25-AF EC25AFFAR07A08M4G
RUT360 RUT3601***** Quectel EG06-A EG06ALAR02A07M4G RUT36X_R_00.07.2
RUT950 old HW RUT950JG1*** Quectel EC25-A EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT9XX_R_00.06.08.6
RUT950 new HW RUT950V02*** Quectel EG25-G EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT9_R_00.07.01.2
RUT950J02*** Quectel EC25-A EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT950W02*** Quectel EC25-AF EC25AFFAR07A08M4G
RUT955 old HW RUT955J7V*** Quectel EC25-A EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT9XX_R_00.06.08.6
RUT955V7V*** Quectel EG25-G EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT955 new HW RUT955J03*** Quectel EC25-A EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT9_R_00.07.01.2
RUT955V03*** Quectel EG25-G EC25AFAR02A06M4G
EC25AFAR05A04M4G
EC25AFAR05A07M4G
EC25EFAR02A06M4G
EC25EFAR02A08M4G
RUT955W03*** Quectel EC25-AF EC25AFFAR07A08M4G
RUTX09 RUTX091***** Quectel EG06-A EG06ALAR02A07M4G RUTX_R_00.07.01.2
RUTX11 RUTX111***** Quectel EG06-A EG06ALAR02A07M4G RUTX_R_00.07.01.2
RUTX12 RUTX121***** Quectel EG06-A EG06ALAR02A07M4G RUTX_R_00.07.01.2
RUTXR1 RUTXR11***** Quectel EG06-A EG06ALAR02A07M4G RUTX_R_00.07.01.2