micromax q392 hang on logo successfully solved

 System Info:
  id:MMX_Q392_SW_T16_HW_LWDM034_23082015
  version:5.1
  model:Micromax Q392
  brand:Micromax
  manufacturer:Micromax
  Definition Applied
  1. Power Off Phone , Remove Battery, Insert Battery Back
  2. Insert USB cable. In some cases Required Hold BootKey
  3. Use Miracle Boot Key In cases Boot key not Find
  4. Battery Should be Charged more then 50%
  ***   the Port be occupied.
  Waiting for USB Port...
  Set COM6
  Connecting to Phone,Wait..
  Connected to Phone.
  CPU: MT6580 SW:0000 Ver: CA00
  Downloading Boot8 ...
  EMMC Size: 0x01D2000000
  Flash Type: EMMC
  INT/EXT RAM  Size: 0x20000/0x80000000
  Writing(Nand/eMMC)...
  Writing LK
  Writing BOOT
  Writing RECOVERY
  Writing LOGO
  Writing SECRO
  Writing SYSTEM
  Writing CACHE
  Writing USERDATA
  Checking Sum...
  Write Done.
>>Total time: 5 mins 55 s