Download LYF Water 7S (LS-5507) Stock Firmware (SP Flash Tool)

The LYF Water 7S (model LS-5507) was a powerful mid-range 4G smartphone from 2017. It offered an excellent set of specifications for its price, including a sharp 5.5-inch Full HD display, an octa-core MediaTek MT6753 processor, 3GB of RAM, and a fingerprint scanner. The device ran on Android 6.0 Marshmallow, an operating system that, over time, can lead to software issues such as performance lag, battery drain, and bootloops. For owners facing these problems, a clean installation of the official stock firmware is the best way to restore the device’s original stability and performance.

Crucial Safety Warning: This is a MediaTek-powered device. The firmware must be flashed using the SP Flash Tool. Do NOT attempt to use QFIL or any other software, as they are incompatible and will not work.

LYF Water 7S (LS-5507) Firmware Details

Below are the key specifications for the LYF Water 7S. Note the MediaTek chipset, which requires the specific SP Flash Tool procedure.

Download Official Firmware for LYF Water 7S (LS-5507)

• Software Version: S06D_160722
  • File Name: Lyf_LS5507_L93C0_M03_S06D_160722_MT6753_6.0.zip
  • Size: 1.40 GB
  • Build Date: Jul 22, 2016
  • 🔗 Download Link: Download (MediaFire)

Why Flash the Stock Firmware on Your LYF Water 7S?

Flashing this official stock ROM is the best way to address the specific, widely-reported issues associated with this device and its Android version:

• Fix Bootloop (Stuck on Logo): A clean installation of this Android 6.0 firmware is the most reliable fix for a phone that powers on but never moves past the LYF startup logo.
• Resolve Common Marshmallow Bugs: This July 2016 firmware can fix widespread Android 6.0 issues, such as abnormal battery drain, Wi-Fi connectivity problems, and random app crashes.
• Improve System Performance: By reinstalling the original, factory-optimized operating system, you can eliminate the lag and stuttering that develops over time from software bloat and corrupted data.
• Unbrick a Dead Phone: Flashing the firmware is often the only way to revive a LYF Water 7S that has become completely unresponsive or “hard bricked” after a failed update or software error.
• Restore Lost IMEI: A clean flash of the official firmware can restore a lost or corrupted IMEI number, which is essential for making calls and using mobile data.

⚠️ Important Prerequisites

Before you begin, back up any accessible data. This process will completely erase all data from the phone’s internal storage.

• The latest version of the SP Flash Tool.
• The correct MediaTek VCOM USB drivers installed on your PC.

How to Flash the Firmware

This firmware must be installed using the SP Flash Tool. The process involves loading a scatter file from the downloaded firmware package. Here is a summary of the steps:

1. Download and extract the firmware package (`Lyf_LS5507_…_6.0.zip`).
2. Install the MediaTek VCOM USB drivers and the SP Flash Tool on your PC.
3. Launch the SP Flash Tool, click the “Scatter-loading” button, and select the `MT6753_Android_scatter.txt` file from the extracted firmware folder.
4. Power off your phone completely.
5. Set the flash mode to “Download Only” and click the “Download” button in the tool.
6. Connect your powered-off phone to the PC via USB cable to begin the flashing process.

For a complete, step-by-step tutorial with screenshots and troubleshooting, please follow our master guide:

→ How to Flash Stock Firmware to MediaTek (MTK) Smartphones

Disclaimer: Flashing firmware is an advanced procedure. Using the wrong tool or files can permanently damage your device. Proceed with extreme caution. We are not responsible for any data loss or hardware issues.