[FIRMWARE] Micromax Bolt S301 Firmware & Tool

[FIRMWARE] Micromax Bolt S301 Firmware & Tool


Micromax Released Micromax Bolt S301 Smartphone With Stable Android v4.4 (KitKat). The Micromax_Bolt S301 Is Run 1.0 GHz Single Core Speadtrum Processor And It Comes With 512MB Of RAM. Internal Storage Is 4 GB That Can Be Expanded 16 GB Via A MicroSD. It Has 3.5 inches, LCD Capacitive Touchscreen, With Resolution Of 480 x 854 Pixels Display. It’S Lets You Snap Fair 1.3-Megapixel For Photos & 0.3-Megapixel Font Camara For Selfie. It Have Removable Li-Ion 1200 mAh Battery. Sensors In The Phone Include Accelerometer, And Gyroscope.

If Your Device Brick Or Bootloop After Installing Custom Rom’s Kernels Or Anything Customized This Firmwares Will Revert Back To Stock Rom.

Micromax Bolt S301 Firmware Details :-

  • Android Version:- KitKat v4.4
  • Micromax Bolt S301 :- All Model.
  • Status :- Official
  • Release Date :- 20.May.2016
  • Type :- “.Zip” file & Tool.
  • Size :- 445MB

⇓⇓ Download Micromax Bolt S301 Firmware & Tool ⇓⇓


Guide To Install Firmware :-

  • Extract Downloaded File Zip File Via WinZip and; 7zip.
  • Install Spreadtrum USB Drivers.
  • Now Open The SPD Upgrade Download File & Click The Open UpgradeDownload.exe
  • Switch Off Your Phone & Connect Your Phone To The PC.
  • Now Click load packed Button & Browse And Select “.pac” File In The Firmware Folder Which You Have Already Downloaded.
  • Now Hit The Start Downloading Button.
  • After The Flashing A Green Pass Message Will Be Appear.
  • Disconnect Your Phone And Turn It On.

Note:- First Time It Takes 5-10 Minutes To Boot.

If Any Problem Please Comment Below…..   



  1. Mahesh Prasath J.R says

    Hi I tried the above after opening the UpgradeDownload.exe, i connect the phone as per your instruction to the PC. in device manager i can see SCI-andriodusb2serial com16 but the UpgradeDownload.exe does not detects this device as connected to the PC. I have a yellow mark over the COM16 in device manager. Please suggest and help. I am trying to flash on Micromax Bolt S301 Supreme mobile.

    1. Akash Bagchi says

      Use this version tool for flash :-
      Download link :- http://bit.ly/2iVXw6V

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