Legitimate firmware for such generic devices is rarely on the manufacturer’s official site (if one exists). Instead, check:

STATUS: SECURED. LOCATION: SUBJECT 895.

The is a 4G LTE wireless home router manufactured by Movimax and distributed by the Indonesian ISP XL Axiata . Technical interest in this device primarily centers on "unlocking" its firmware to allow it to function with any GSM operator beyond the original XL network.

The MV008 is often sold under alternate brands (Anran, Vosker, Zosi). If the XL Home link fails, search for “Anran MV008 firmware” – hardware is identical.