If you flashed a Vodafone-branded firmware, the device will likely remain SIM-locked. To use other carriers:
Beware of fake “firmware download” sites that bundle malware. Use only trusted sources: vodafone m028t firmware full download
However, these are “full download” flash-and-go solutions. They require swapping the root filesystem and have high brick risk. Only attempt if you have a UART-to-USB adapter and recovery skills. If you flashed a Vodafone-branded firmware, the device
often host firmware for "busy mifi" devices, which include various Vodafone rebrands. You may need to search these forums for " If you flashed a Vodafone-branded firmware
: These are often used for "unlocking" or repairing devices. Community-tested files for the M028T are sometimes hosted on platforms like TeraBox or through specialized tech blogs like iammwagalwa .