Micromax S300 Flash File

On this page Download Micromax S300 Flash File Stock Firmware, Firmware ROM version is Android KitKat 4.4.2. Fix hang on the logo, dead Boot, and many other bugs issues with this tested Firmware.

At Rom flashing process your all user data will remove IF you are trying to update your Device make a backup of all your personal data before it.

Download Asus Z010D Stock ROM Flash File

File Information
Device Name Micromax
Model Number S300
Brand Micromax
Version Micromax_S300_SPD_V1.0.0
OS Version KitKat 4.4.2
File Type Firmware
Country USA& All
Password No
Credit Free
Date 25.11.2018


  1. Download and install SPD Android Device Driver
  2. Micromax S300 Flash File Download
  3. Download SPD Flash Tool latest setup
  4. Use Miracle Box Software for flash this firmware
  5. Device Battery must be charged at least 40-50 percent to perform this process

How to Flash Micromax S300

  • Download and Extract Micromax S300 Flash File using WinRar or 7Zip.
  • Install Android USB Device Driver, IF already installed then skip it
  • Power OF Device and remove the battery if removable
  • Open SPD Flash Tool
  • Choose Load tab from Tool and select downloaded PAC file
  • Connect Device with PC via USB data cable
  • Click on Download or Upgrade tab from SPD Flash Tool for start the process
  • Take a rest and don,t unplug device under the flashing process
  • Firmware write process is done in a few minutes
  • An OK Message will appear on Flash Tool screen
  • Congratulation Stock Firmware installed successfully.
  • Power ON Device and you have done it.


The Stock Firmware help to recover OS Upgrade, Dead issue, Screen Lock, user security lock and any software related issue.

The above tutorial only works with the Stock ROM or Custom ROM which comes basically with PAC file in Spreadtrum Devices, and before writing Stock ROM read Firmware carefully

Note: Please make a backup of your Device before install or Firmware

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