: This site hosts specific firmware versions such as 21.157.31.00.864.B734 and 22.158.47.00.00 . Note that accessing the support area may require using their client software.

: Provides a consolidated list of firmware links for the E352 and related models, often tailored to specific mobile operators. Installation Steps (Manual Update)

: Click "Start" and wait for the progress bar to finish. Do not unplug the modem or shut down your PC during this time. Updating the Dashboard

In addition to firmware, you can also update the , which is the management software that appears when you plug the modem into a PC. Archives for the Go to product viewer dialog for this item.

dashboard are available at ModemFiles , where you can find generic or operator-branded versions.