Ayuda Ipro A3

[KRod17]

La bateria esta cargada amigo, he bajado varias rom y nada que arranca, miracle me da "Error1: no 5A" no me deja flashear en preloader.
Sin tildar el preloader carga lo siguiente:

  Waiting for USB Port...
  Set MediaTek PreLoader USB VCOM (Android) (COM8)
  Please Hold "ON" to connect with the phone...
  Connected to Phone.
  CPU: MT6572 SW:0000 Ver: CA01
  Downloading Boot8 ...
  EMMC Size: 0xEC000000
  Flash Type: EMMC
  INT/EXT RAM  Size: 0x0+0x0
  Writing(Nand/eMMC)...
  Writing UBOOT
  Writing BOOTIMG
  Writing RECOVERY
  Writing SEC_RO
  Writing LOGO
  Writing ANDROID
  Writing USRDATA
  Checking Sum...
  Write Done.
>>Total time: 1 mins 44 s