On this web page, you will see that the official hyperlink to Download Vivo E 1T Stock Firmware ROM (flash file) in your Computer. Firmware is available in a zipper bundle, which accommodates Flash File, Flash Tool, USB Driver, and How-to Flash Manual.
Vivo E 1T Stock Firmware (flash file)
The Flash File will assist you to Upgrade, Downgrade, or re-install the Stock Firmware (OS) in your Mobile Device. The Flash File (ROM) additionally lets you restore the Mobile machine, whether it is going through any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue.
File Name: Vivo_E1T_MT6575_ALPS.ICS2.MP.V1_4.0.4.zip
File Size: 520 MB
Flash Tool: SP Flash Tool for Windows | SP Flash Tool for Linux
How to Flash (set up): Follow Tutorial