At this time I will share the complete tutorial and how to flash the firmware iSmart IS400 Stock Firmware ROM (flash file) the latest updates from my search in 2017. With this firmware you can re-install your smartphone from your computer.
With these firwmare you can handle bootloop, softbrick, hardbrick, forget pattern, the camera fails to load, and still many problems that occur in your smartphone operating system. I’ve packed everything neatly in one zip file that you can download via Mediafire and Google Drive. Inside the file you will find Software For Flashing, Driver For Connect Smartphone and computer and also Firmware (Stock Rom) files and tutorials in the doc file or you can visit the complete tutorial link below.
Download iSmart IS400 Stock Firmware (flash file)
File Name: iSmart_IS400_7715_R_V0.0.8_20141205.zip
File Size: 242 MB
How to Flash: Follow Tutorial
How to Flash Firmware & Install Driver :
Step 1: Download and extract the iSmart IS400 stock firmware on your computer.
Step 2: After extracting, you will get the Firmware File, Flash Tool, Driver and How-to Flash Guide.
Step 3: Install the Usb Manual Driver on your computer and sometimes require a reboot on the computer and then enter recovery mode and disable the signature driver verification. (it will be easier if you connect to internet you will get update download driver at try icon right bottom).
Step 4: Follow the How-to Flash Guide to Flash the Firmware on your iSmart IS400 Device.
[*] Important: Some things might happen like flashing stops when the process runs half or flashing fails before 100% completes, it all happens because some things like your emmc are corrupted, or corrupt firmware files. The solution from me is take it to the service center to avoid further damage. Important warnings you should not ignore before flashing iSmart IS400 device, then take a backup of everything as because your personal data will be deleted after flashing the stock firmware.
[*]Note: About stock rom details or Firmware shared on this page is officially launched by a company or official developer that works to help you recover devices such as factory settings. if you ever get a bootloop, software error, update error, hanging and shutdown problems, and other defects related to your device’s operating system will be resolved soon.