Itel RS4 S666LN
Itel RS4 S666LN is a Itel firmware file listed under Itel, distributed as Itel_RS4_S666LN_MT6789_OP_V1186_240313_MXML.zip with a download size of 5.41 GB. It is built for the MediaTek MT6789 chipset. It is flashed with SP Flash Tool. It was published on April 28, 2026. This page has been viewed 21 times. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About Itel RS4 S666LN
Itel RS4 S666LN Stock Firmware (Flash File) The Flash File will help you Upgrade, Downgrade, or re-install the Stock Firmware (OS) on your Mobile Device. In addition, the Flash File (ROM) also enables you to repair the Mobile device if facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue. File Name: Itel_RS4_S666LN_MT6789_OP_V1186_240313_MXML.zip File Size: 5.41 GB Flash Tool: SP Flash Tool for Windows | SP Flash Tool for Linux How-to Flash (install): Follow Tutorial Mirror 1 (Free)Mirror 2 (Paid)
File Details
| File name | Itel RS4 S666LN |
|---|---|
| Package | Itel_RS4_S666LN_MT6789_OP_V1186_240313_MXML.zip |
| Brand / Platform | Itel |
| Category | Itel |
| Chipset | MediaTek MT6789 |
| Flash tool | SP Flash Tool |
| Package format | ZIP archive |
| File size | 5.41 GB |
| Date added | April 28, 2026 |
| Price | Free |
How to flash Itel RS4 S666LN with SP Flash Tool
- Confirm Itel RS4 S666LN matches your exact device model and that the phone uses the MT6789 chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (5.41 GB) using the button above and extract it on a Windows PC.
- Install the MediaTek VCOM / USB drivers, then open SP Flash Tool.
- In the tool, load the scatter file (MTxxxx_Android_scatter.txt) from the extracted folder.
- Start the flash, then power the phone off, then connect it (hold Volume Up or Down if it is not detected).
- Wait for the success message before disconnecting. Use "Download Only" — "Format All + Download" erases IMEI/NVRAM calibration.
Guides for this firmware
- SP Flash Tool: Download Only vs Format All + DownloadSP Flash Tool is a utility used to flash firmware onto devices powered by MediaTek chipsets. When using this tool, you must choose between different download modes; "Download Only" is the recommended…
- Installing MediaTek VCOM Drivers for SP Flash ToolTo flash firmware on a MediaTek-based device, you must use the SP Flash Tool in conjunction with MediaTek VCOM USB drivers. These drivers allow your computer to communicate with the device's chipset…
- What is a Scatter File? Loading MediaTek Firmware in SP Flash ToolA scatter file is a text document, typically named MTxxxx_Android_scatter.txt , that acts as a map for the SP Flash Tool. It tells the software exactly where each partition of the firmware should be…
Frequently asked questions
Is Itel RS4 S666LN free to download?
Yes, Itel RS4 S666LN can be downloaded free of charge from this page.
How large is the download?
The Itel RS4 S666LN package is 5.41 GB.
Which tool do I need to flash Itel RS4 S666LN?
Itel RS4 S666LN is MediaTek MT6789 firmware, so it is flashed with SP Flash Tool using the scatter file (MTxxxx_Android_scatter.txt).
Which devices is this firmware for?
This file is intended for Itel devices. Always confirm it matches your specific model before flashing.