Due to copyright and frequent link changes, please search for "Lava Iris 758 Stock ROM Firmware" on trusted firmware repositories like FirmwareFile or LavaSupport. Ensure you get a file with a .zip or .rar extension containing scatter.txt .
Users search for this firmware for a variety of reasons. If you are experiencing any of the following issues, flashing the stock ROM is likely your best course of action: lava iris 758 flash file