The firmware is typically available as a single unified package rather than a split multi-part RAR file (like a "part10.rar"). You can download the official stock firmware and flashing tools from the following reliable sources:
If you are specifically looking for a 10-part split archive, it is likely from a third-party file-sharing forum (like MediaFire or Mega). However, using the from the sources above is generally safer and more reliable. Download MICROMAX L50CANVAS Firmware USB part10 rar
: Provides the Micromax L50 Canvas 3 Stock Firmware ROM specifically for the TV model. Flashing Instructions via USB Prepare USB : Format a USB flash drive to FAT32 . The firmware is typically available as a single
: Perform a factory reset after the update is complete. Download MICROMAX L50CANVAS Firmware USB part10 rar