Do not download firmware from random file-sharing sites (MediaFire, Google Drive links from unknown users). Many contain malware or are for different MW40 variants (MW40, MW40VM, etc.).
Official firmware for the MW40V follows a specific naming convention: Version Format MW40-V-V1.0_MW40_LU_02.00_02 Alcatel Mw40v Firmware
: Select Device Settings and scroll down to Check for Update . Do not download firmware from random file-sharing sites
This guide assumes you have downloaded the correct .pkg or .bin file and the appropriate flashing tool (usually SP Flash Tool or QFil for Qualcomm-based devices, which the MW40V typically uses). Alcatel Mw40v Firmware
Remember the golden rules: