Flash Guide How to Flash a ROM to Your Android Phone
These are the instructions to download Flash or install Stock Firmware (ROM) on I.N.Link IN4 Bull (Original firmware) , If you searching for the I.N.Link IN4 Bull Stock ROM then you are at the right place. Here i will guide you to install official stock Rom on I.N.Link IN4 Bull , Here you can download the Official I.N.Link IN4 BullStock Firmware ROM (flash file) on your Computer .
DownloadI.N.Link IN4 Bull Stock Rom (Original firmware)
Requirements: Your I.N.Link IN4 Bull Device should have at least 40-50 percent of battery to perform the Flashing Process.
Flash File Name: I.N.Link_IN4_Bull_V2.0_20170613_SPD-[flash-file.net].zip
Flash File Size: 825 MB
Flash File Name: I.N.Link_IN4_Bull_V2.1_J_20171222_SPD-[flash-file.net].zip
Flash File Size: 903 MB
How to Flash Stock Firmware ROM on I.N.Link IN4 Bull
To install the Stock Firmware on I.N.Link IN4 Bull Stock , Please follow the guide and download the Rom . This guide is for How to Install Stock ROM on I.N.Link IN4 Bull .
Step 1: Download and Install I.N.Link IN4 Bull 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 I.N.Link IN4 Bull Device.
Step 3: Download and extract Spreadtrum Upgrade Tool on your computer. After extracting, you will be able to see the following files:
Step 4: Now, open UpgradeDownload.exe.
Step 5: Once Spreadtrum Upgrade Tool is launched, connect your I.N.Link IN4 Bull Device to the computer (make sure your Android Device is switch off).
Step 6: Once your I.N.Link IN4 Bull is connected successfully to the computer, click on the Load Packed Button and add the .pac file (stock rom which comes as .pac).
Step 7: Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click on the Start Downloading button to begin the flashing.
Step 8: During the flashing process your I.N.Link IN4 Bull Device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in Spreadtrum Upgrade Tool. 
Step 9: Now you have successfully flashed your I.N.Link IN4 Bull using Spreadtrum Upgrade Tool. Once your I.N.Link IN4 Bull Device is successfully restarted, Go to Settings About Phone Check firmware..
Congratulations, Now you have successfully flashed the stock firmware on your I.N.Link IN4 Bull using Spreadtrum Upgrade Tool
Keep in mind:
[*] I.N.Link IN4 Bull Flash Tool: If you need to download the latest version of SPD Flash Tool, then head over to SPD Flash Tool for WINDOWS .
[*] Backup Please: Take a backup of your important data before Flashing I.N.Link IN4 Bull Stock Firmware as because during the flashing process your personal data will be removed permanently.
[*] Broken link Report here.
[*] ROOT I.N.Link IN4 Bull:If you would like to know how to root your I.N.Link IN4 Bull android device, drop a comment below. We will share the tutorial for your device as quickly as possible .
