The phone shows the Lava logo, restarts, and never reaches the home screen.
Wait until the process finishes. When successful, the progress bar will turn green and state Stop button (Square icon) in the tool and unplug your USB cable. lava iris 51 flash file
A legitimate file will be named something like: Lava_Iris_51_MT6572_SW_20160914_V5.0.zip Check the date and version. Avoid files that are under 300MB (full firmware is ~500MB to 800MB). The phone shows the Lava logo, restarts, and
Using the wrong flash file (e.g., from a different model like Lava Iris 50 or Iris X1) can hard-brick your device. Always verify the build number and chipset. A legitimate file will be named something like:
The device does not turn on, does not charge, and shows no sign of life (not to be confused with a hardware issue).
After a successful flash, verify these points: