Download Coolgen E71 HD Stock ROM Original firmware

Download the android newest update Coolgen E71 HD stock roms Original firmware ( flash file). You can flash the Coolgen E71 HD newest android os (Stock Firmware file) to troubleshoot any issues or problems on your Coolgen. Yes! This guide can resolve WiFi and Bluetooth issues, unbrick your device, determine lag or lousy performance, and fix any software-related problems. The specific Coolgen Firmware comes with a Stock ROM of Coolgen E71 HD.This helps you to FRP Bypass lock and revert from the root and custom ROM. There are various reasons to flash (Firmware on Coolgen E71 HD). For example, your phone will be stuck or hang on the logo. You want to remove the FRP lock from it. Suppose you’re going to hard reset your phone and cannot access the recovery menu. But most of the problems and benefits that cause flashing stock ROM are below.

Whats Coolgen E71 HD Stock ROM and its Advantage

The Coolgen E71 HD Stock ROM (Mobile OS) is the Most Stable ROM released by the device manufacturers depending on the device model and Android version. However, the Stock ROM don’t offer many customizations or features for the device. While in general third-party firmware (Custom ROM) has system bugs and stability issues. In this case, you may experience battery issues, network issues, camera issues, missing features, lags, overheating, slow performance, and many more. But whenever you switch to Stock ROM, you can quickly fix them all.

Why We Need Coolgen E71 HD Stock Firmware?

  • Unbrick Coolgen E71 HD device.
  • Upgrade new android system update for Coolgen E71 HD OS.
  • Fix Coolgen E71 HD OTA update issue.
  • Fix a problem with the device startup loop.
  • Fix system upgrade android your phone.
  • Fix Lag or Stuttering on the Coolgen E71 HD.
  • Fix Coolgen E71 HD battery drain issue.
  • Software performance improvement.
  • Returning a stock ROM entitles the warranty on the Coolgen E71 HD.
  • If your Coolgen phone boots straight into recovery


  • 1-Charge your Coolgen E71 HD: Your phone may charge no less than a half.
  • 2- Take Coolgen E71 HD Full Backup , Before installing Coolgen E71 HD stock ROM, you need to take a backup of all your messages, photos, and apps from your smartphone.

Most smartphones automatically make a backup in the background. But to ensure you take everything to your new device, you need a full backup.

Download coolgen e71 hd Stock ROM

Download Coolgen E71 HD Flash Tool And Drivers:

Coolgen E71 HD USB Driver for Windows 10, Windows 8.1, Windows 8, Windows 7 Download Coolgen E71 HD USB Driver is software that creates a stable connection between the computer’s operating system and the Oppo Android Phones. The USB Driver for Coolgen E71 HD is an essential component. Without that, the connection will not work when developing your phone. All the following Coolgen E71 HD Stock ROM (zip file) contains the original  Coolgen E71 HD USB Driver, Flash Tool, and the Flash File. After Downloading the firmware, follow the instruction manual shipped with the firmware to flash or install firmware on mobile.

Download Coolgen E71 HD Stock Firmware (flash file)

Firmware File Name: Coolgen_E71_HD_MT6582_04152014_4.2.2_(en.Flash-File.NET).zip
Firmware File Size: 348 MB
Download Flash Tool: SP Flash Tool download for Windows or SP Flash Tool Download for Linux
How to Flash firmware: Guide How to Flash Firmware

Download ROM File

How to Flash or Install Coolgen E71 HD Firmware (ROM)

  • #: Download and extract the Coolgen E71 HD Stock ROM (Firmware Flash File) package on the computer.
  • #: After extracting the package, you will get the Coolgen E71 HD USB Driver, Firmware (ROM), Flash Tool, and How-to Flash Manual.
  • #: Install the provided USB Driver on the computer. If you have already installed the Coolgen E71 HD USB Driver on the laptop, then SKIP this step.
  • #: Once Driver is installed, Open Coolgen E71 HD Flash Tool on the Computer.
  • #: Once the Coolgen E71 HD Flash Tool is Launched, Connect your Device to the Computer using the USB Cable.
  • #:Click on the Download or Upgrade button on the Flash Tool to begin the Coolgen E71 HD Flashing process.
  • #: Follow the How-to Flash Manual to flash the android latest update (Stock Firmware) on the Coolgen E71 HD device..
  • Guide How to Flash Firmware

Important Notes:

[@]Download Coolgen E71 HD Flash Tool: If you want to download the latest version of SP Flash Tool, then head over to Get SP Flash Tool download for Windows or SP Flash Tool Download for Linux page.

[@] Please Take a Backup: Flashing or installing the Coolgen E71 HD Device, then we recommend you to take backup of your personal data from the Coolgen device, as flashing the ROM (firmware) will permanently delete your personal data from the device.

[@] Caution: We do NOT recommend you to Flash the Preloader.bin. As it may brick the device, we recommend you Untick the Preloader option in SP Flash Tool before Flashing it on your Coolgen E71 HD .

[@] Coolgen E71 HD USB Driver: If you are looking for the latest USB Driver version, head over to the Coolgen USB Driver Page.

[@] The Coolgen E71 HD officially releases the Firmware shared above. It helps you recover the Coolgen E71 HD device if it gets a boot loop, software error, update error, hanging, and dead issue.

[@] Request Coolgen Firmware : If you are looking for any Coolgen specific firmware that is not listed above. Then you can request it through the comment box below (do not request Firmware through the contact page, or else it will be ignored).


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