Lenovo A5S
Lenovo A5S is a Lenovo firmware file listed under Lenovo, distributed as Lenovo_A5S_MT6761_S100_20181015_9.0.zip with a download size of 1 GB. It is built for the MediaTek MT6761 chipset and runs Android 9 (Pie), with a firmware build date of October 15, 2018. It is flashed with SP Flash Tool. It was published on April 28, 2026. This page has been viewed 4 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 Lenovo A5S
Lenovo A5S 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: Lenovo_A5S_MT6761_S100_20181015_9.0.zip File Size: 1 GB Flash Tool: SP Flash Tool for Windows | SP Flash Tool for Linux How to Flash (install): Follow Tutorial (Mediafire)
File Details
| File name | Lenovo A5S |
|---|---|
| Package | Lenovo_A5S_MT6761_S100_20181015_9.0.zip |
| Brand / Platform | Lenovo |
| Category | Lenovo |
| Chipset | MediaTek MT6761 |
| Android version | Android 9 (Pie) |
| Build date | October 15, 2018 |
| Flash tool | SP Flash Tool |
| Package format | ZIP archive |
| File size | 1 GB |
| Date added | April 28, 2026 |
| Price | Free |
How to flash Lenovo A5S with SP Flash Tool
- Confirm Lenovo A5S matches your exact device model and that the phone uses the MT6761 chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (1 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 Lenovo A5S free to download?
Yes, Lenovo A5S can be downloaded free of charge from this page.
How large is the download?
The Lenovo A5S package is 1 GB.
Which tool do I need to flash Lenovo A5S?
Lenovo A5S is MediaTek MT6761 firmware, so it is flashed with SP Flash Tool using the scatter file (MTxxxx_Android_scatter.txt).
What Android version is Lenovo A5S?
This firmware is Android 9 (Pie), built on October 15, 2018.
Which devices is this firmware for?
This file is intended for Lenovo devices. Always confirm it matches your specific model before flashing.