Itel S11XB Flash File | Stock ROM Firmware Guide [Android 8.1 Oreo]

If you have bought this device and want to install a firmware flash file on Itel S11XB? Then you are in the right place. Here we will guide you to install the official Stock ROM flash file on Itel S11XB using the software known as SP Flash Tool, Formally also called the 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 firmware flash file on Itel S11XB using SP Flash Tool. Yes, this guide is also helpful to recover, unroot, or fix any software or hardware malfunctioning problem.

Itel S11XB Flash File

How to Flash Itel S11XB Firmware File

Here is the official Android 8.1 Oreo firmware Update for Itel S11XB. Remember this guide is also very much needed in case of upgrading or downgrading the firmware on Itel S11XB. 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 Itel S11XB using this guide.

The Advantage Of Stock ROM:

  • Flash Stock To Unbrick your Itel S11XB
  • Flash Stock ROM to Fix the boot loop problem
  • Upgrade and Downgrade Itel S11XB
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on Itel S11XB
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.
  • Bypass FRP and Remove Pattern Lock


So before jumping into the manual upgradation setup, please make sure you have a good amount of juice with at least 80% Charge. If not please charge the phone. Back up your phone in case if you need it later. If you brick the device we are not responsible. Do it at your own risk. Remember this guide is to update the Stock firmware on Itel S11XB.

Download Itel S11XB Flash Files

Flash File Details Download Link
Flash File Name:
File Size: 804 MB
Version: Android 8.1 Oreo
Flash File Name:
File Size: 821 MB
Version: Android 8.1 Oreo

Pre Requisite :

  • This firmware is supported only on Itel S11XB.
  • Download the SP Flash Tool: Download and Extract it
  • VCOM driver Download – Instal the VCOM Driver on your computer (still compatible with MT67xx phones)
  • Download and Install Itel USB Drivers
  • Charge your phone for at least 70%
  • Back up your device just in case if you need it later
  • You need either a Laptop or PC

Follow Guide to Install Stock ROM using SP Flash Tool Software.

I hope you installed the Stock ROM flash file on Itel S11XB successfully, Now please rate this website with your comment. We always welcome feedback and improvements.

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