TCL Y660 runs on Android 7.1.1 Nougat operating system. If you have bought this device and want to install Stock Firmware on TCL Y660? Then you are the right place. Here we will guide you to install the official Stock ROM on TCL Y660 using the software known as SP Flash Tool, Formally also called Smartphone Flash tool. If you have installed Custom ROM or bricked your device, then this guide will be helpful to fix back to Stock ROM or unbrick it.
The guide is simple and easy! All you have to do is simply download the below-given firmware files and tools on your PC and then simply follow the given instruction link to install the Stock Firmware on TCL Y660 using SP Flash Tool. Yes, this guide is also helpful to recover, unroot or fix any software or hardware malfunctioning problem.

Steps to Install Stock Firmware on TCL Y660
Remember this guide is also very much needed in case of upgrade or downgrade the firmware on TCL Y660. First of all, download the software, Smartphone Flashtool on your PC and then flash your phone back to Stock ROM. We request you to read the steps carefully before upgrading TCL Y660 using this guide.