Flash Guide How to Flash a ROM to Your Android Phone
These are the instructions to download Flash or install Stock Firmware (ROM) on star Z-22 (Original firmware) , If you searching for the 5star Z-22 Stock ROM then you are at the right place. Here i will guide you to install official stock Rom on 5star Z-22 , Here you can download the Official 5star Z-22 Stock Firmware ROM (flash file) on your Computer
Download 5star Z-22 Stock Rom (Original firmware)
Requirements: Your 5star Z-22 Device should have at least 40-50 percent of battery to perform the Flashing Process.
Flash File Name: 5star_Z-22_MT6572_20170412_6.0.zip (mtk)
Flash File Size: 473 MB
Flash Tool Link: SP Flash Tool For Windows | SP Flash Tool For linux
Flash File Name: 5star_Z22_V01_20160603_SPD.zip (spd)
Flash File Size: 131 MB
Flash Tool Link: SPD Flash Tool
How to Flash Stock Firmware ROM on 5star Z-22
To install the Stock Firmware on 5star Z-22 , Please follow the guide and download the Rom . This guide is for How to Install Stock ROM on 5star Z-22 .
STEP 1: Download and Install the 5star Z-22 USB Driver on your computer. In case you have already installed them, you can skip this step.
STEP 2: Switch Off your 5star Z-22 device .
STEP 3: After downloading Stock Firmware , extract the zip file on your system.
STEP 4: Download the SP Flash Tool on your system and extract the downloaded zip file on your system. After that you can see the following files listed.
STEP 5: Form the files listed run the Flash_tool.exe file.
STEP 6: Once the SP Flash tool is started, click on the Scatter-Loading button located in the right side. 
STEP 7: Now locate the scatter file in your stock ROM. It is generally located in the bin/ directory. STEP 8: Now click the Download button to start the downloading process. 
STEP 9: After completed all the above steps, connect your 5star Z-22 to your system using the USB cable and , press any button other than power button so that your system will detect your 5star Z-22 Device. You can use volume buttons. 
Step 10: Once the flashing process is completed, a green ring will appear on your system. Now disconnect your 5star Z-22 and switch it ON.
Congratulations, Now you have successfully flashed the stock firmware on your 5star Z-22 using SP Flash Tool.
Keep in mind:
[*] 5star Z-22 Flash Tool: If you need to download the latest version of SPD Flash Tool, then head over to SPD Flash Tool .
[*] Backup Please: Take a backup of your important data before Flashing 5star Z-22 Stock Firmware as because during the flashing process your personal data will be removed permanently.
[*] Broken link Report here.
[*] ROOT 5star Z-22:If you would like to know how to root your 5star Z-22 android device, drop a comment below. We will share the tutorial for your device as quickly as possible .