Using Mfastboot.exe to Unbrick a Motorola device

Mfastboot

• Motorola devices only.


• Can be used with Windows/Linux/Mac but this thread will only have instructions for Window (10)


• Not recommended for Upgrading/Downgrading Firmware, See RSD Lite, or House of Moto

Download

• Motorola Drivers


• Mfastboot files: Mega - AFH - XDA - Drive - DevHost -


• Firmware for your Device

Install Moto Drivers

• Extract files from zip


• Run Motorola_End_User_Driver_Installation_....msi


• Reboot PC

Setup Mfastboot.exe

• Extract mafastboot.zip to a local drive


• Example - C:/Mfastboot


• Open start menu and type CMD


• Right click on CMD > select open file location


• Find cmd.exe, right click and copy


• Paste into Mfastboot folder

Using Mfastboot to Flash Firmware

• Note: The exact files needed will very by device model


• Extract files from Firmware xml.zip


• Copy
  
  

  Code:

  
  

  ---

  NON-HLOS.bin
]system.img
boot.img
recovery.img

  ---

  
  
  to Mfastboot folder


• Boot Device to AP Fastboot Mode (Power Off, Hold Volume Down, Press power button for 2-3 secs then release)


• Note Click here If you see Low Battery, Click here if you see Fastboot Reason: Sticky bit factory_fastboot


• Run cmd.exe in Mfastboot folder


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot flash modem NON-HLOS.bin

  ---

  
  


• Press enter


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot erase modemst1

  ---

  
  


• Press enter


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot erase modemst2

  ---

  
  


• Press enter


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot flash system system.img

  ---

  
  


• Press enter this may take several minutes to finish and be flashed in several segments.


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot flash boot boot.img

  ---

  
  


• Press enter


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot flash recovery recovery.img

  ---

  
  


• Press enter


• Type commands
  
  

  Code:

  
  

  ---

  fastboot erase cache

  ---

  
  


• Press enter


• Optional: Type commands
  
  

  Code:

  
  

  ---

  fastboot erase userdata

  ---

  
  


• Press enter


• Type commands
  
  

  Code:

  
  

  ---

  mfastboot reboot

  ---

  
  


• Press enter


• Device should boot normally

Flashing System Only
In some cases only System.img is necessary [*]Type commands

Code:

---

mfastboot flash system system.img

---

and[*]Type commands

Code:

---

mfastboot reboot

---

[*]Press enter
are needed