https://support.dlink.com/resource/products/DWR-930M/Firmware/DWR-930M_RevA_FW_2.1.4.bin
A: Yes, but only through the emergency recovery mode. D-Link adds a "bootloader lock" to prevent downgrades for security reasons. Downgrading is not recommended. dwr930m firmware link
A: Standard firmware manages routing, Wi-Fi, and VPN. Modem-only firmware (rare) turns the device into a raw USB modem. Do not use modem-only firmware unless you are an integrator. https://support
Last updated: October 2024. Links and versions are subject to change by D-Link Corporation. Leave a comment below with your current firmware version and the specific error you are facing, or contact D-Link enterprise support directly. or contact D-Link enterprise support directly.