AT&T 3G Network shutdown information
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:
- Uploading new firmware to Teltonika Networks device.
- 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 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 |