How to Download and Flash Micromax A66 Stock Firmware Rom

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How to Download and Flash Micromax A66 Stock Firmware Rom

These are the instructions to How to Download and Flash Micromax A66 Stock Firmware Rom using Spreadtrum Upgrade Tool.

Remember: Your Micromax A66 device should have atleast 40-50 percent of battery to perform the flashing process.

Download Micromax A66 Stock Firmware (Original flash file) 2018

File Name: Micromax_A66_V21_20140326.zip
File Size: 217 MB

Download

The firmware shared on this page is officially released by the company and helps you to recovery your Micromax A66 device if you ever got bootloop, software error, update error, hanging and dead issue.

How to Flash Pac Stock Rom on Micromax A66 Smartphone

Caution: Your personal data will be deleted after flashing the stock firmware through Spreadtrum Upgrade Tool, So take a backup of everything before following the tutorial below.

Step 1: Download and Install Micromax A66 USB Driver on your Computer. If in case Spreadtrum Driver is already installed on your computer then SKIP this Step.

Step 2: After Download Stock Rom (pac) for your Micromax A66 Device.

Step 3: Download and extract Spreadtrum Upgrade Tool on your computer. After extracting, you will be able to see the following files:

How to Download and Flash Micromax A66 Stock Firmware Rom

Step 4: Now, open UpgradeDownload.exe.

How to Download and Flash Micromax A66 Stock Firmware Rom

Step 5: Once Spreadtrum Upgrade Tool is launched, connect your Micromax A66 device to the computer (make sure your Micromax A66 device is switch off).

How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)
How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)

Step 6: Once your Micromax A66 Smartphone is connected successfully to the computer, click on the Load Packed Button and add the .pac file (stock rom which comes as .pac).

How to Download and Flash Micromax A66 Stock Firmware Rom
How to Download and Flash Micromax A66 Stock Firmware Rom

Step 7: Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click on the Start Downloading button to begin the flashing.

How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)
How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)

Step 8: During the flashing process your Micromax A66 device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in Spreadtrum Upgrade Tool.

How to Download and Flash Micromax A66 Stock Firmware Rom
How to Download and Flash Micromax A66 Stock Firmware Rom
How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)
How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)

 

Step 9: Now you have successfully flashed your Micromax A66 Device using Spreadtrum Upgrade Tool. Once your Micromax A66 Device is successfully restarted, Go to Settings > About Phone > Check firmware.

How to Download and Flash Micromax A66 Stock Firmware Rom (flash file)

 

 

Keep in Mind:

  1. How to Write IMEI: After flashing the stock firmware on Spreadtrum Device, you may need to flash the IMEI also, for that use WriteIMEI or Read&Write Tool to Flash IMEI on Spreadtrum Devices.

2. Credits: SPD upgrade tool shared on this page is made available by Spreadtrum Communications Inc. So, full credits goes to them for the tool.

3.Big thanks to firmwarefile.com for their firmware file ,