This is the official page, from which you can download the Official Hiwire J5 Stock Firmware ROM (flash file) on your Computer. The Firmware Package comes as a zip file which contains the Firmware, Flash Tool, Driver and How-to Flash Guide.
Download Hiwire J5 Stock ROM (flash file)
How to Flash
Step 1: Download and extract the Hiwire J5 Stock ROM on your computer.
Step 2: Once you have successfully extracted the Stock ROM on your computer, you will be able to get the Flash File, Flash Tool, USB Driver, How-to Flash Manual.
Step 3: Install the provided USB driver on your computer. If in case you have already installed the respective USB Driver on your computer then SKIP this step.
Step 4: Follow the How-to Flash Manual to flash the Stock ROM on your Hiwire J5 Device.
[*] Flash Tool: If you want to download the latest version of SPD Flash Tool, then check out SPD Flash Tool for Windows page.
[*] If in case you are going to flash the above firmware then you should know that flashing the stock firmware will permanently delete the personal data from the device. Therefore, we recommend you to take a backup of your personal data before flashing the above stock ROM on your device.
[*] The Firmware Shared above is the official Flash File, which can be used to recover the device if in case you are facing any bootloop, software error issue, dead issue, update issue or any other.