Lenovo A3690
Lenovo A3690 is a Lenovo firmware file listed under Lenovo, distributed as Lenovo_A3690_MT6735M_S019_5.1.zip with a download size of 749 MB. It is built for the MediaTek MT6735M chipset and runs Android 5.1 (Lollipop). 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 A3690
Lenovo A3690 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_A3690_MT6735M_S019_5.1.zip File Size: 749 MB Flash Tool: SP Flash Tool for Windows | SP Flash Tool for Linux How to Flash (install): Follow Tutorial (Mediafire)
File Details
| File name | Lenovo A3690 |
|---|---|
| Package | Lenovo_A3690_MT6735M_S019_5.1.zip |
| Brand / Platform | Lenovo |
| Category | Lenovo |
| Chipset | MediaTek MT6735M |
| Android version | Android 5.1 (Lollipop) |
| Flash tool | SP Flash Tool |
| Package format | ZIP archive |
| File size | 749 MB |
| Date added | April 28, 2026 |
| Price | Free |
How to flash Lenovo A3690 with SP Flash Tool
- Confirm Lenovo A3690 matches your exact device model and that the phone uses the MT6735M chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (749 MB) 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 A3690 free to download?
Yes, Lenovo A3690 can be downloaded free of charge from this page.
How large is the download?
The Lenovo A3690 package is 749 MB.
Which tool do I need to flash Lenovo A3690?
Lenovo A3690 is MediaTek MT6735M firmware, so it is flashed with SP Flash Tool using the scatter file (MTxxxx_Android_scatter.txt).
What Android version is Lenovo A3690?
This firmware is Android 5.1 (Lollipop).
Which devices is this firmware for?
This file is intended for Lenovo devices. Always confirm it matches your specific model before flashing.