Advan S35F Plus Stock Firmware ROM (Official SC7715 PAC File) V1.0 (20150323) Android 4.4.2

About Advan S35F Plus Stock Firmware ROM

Advan S35F Plus Stock Firmware ROM is the official factory operating system package provided in .PAC format for the Advan S35F+ (S35F Plus) smartphone powered by the Spreadtrum SC7715 chipset. This all-inclusive archive contains the official PAC firmware (TCS7715_ADVAN_S35F+_V1.0_20150323_user.pac), USB flashing drivers, and the dedicated SPD Upgrade Download Tool utility.

Key Issues Resolved by Flashing

• Fix device stuck on boot logo (bootloop), restart loops, and failure to boot into Android.
• Unbrick soft-bricked phones caused by interrupted updates, incorrect root attempts, or bad ROM flashing.
• Permanently eliminate stubborn malware, bloatware, and persistent popup ads embedded in system partitions.
• Eliminate persistent system error messages, crashes, and sluggish overall performance.
• Restore the smartphone completely back to pristine out-of-the-box factory configuration.

Firmware Specifications

• Target Device: Advan S35F+ / Advan S35F Plus
• Chipset: Spreadtrum (SPD) SC7715
• Firmware Format: .PAC file
• Flashing Tool: SPD Upgrade Download Tool (included in package)
• Supported Host OS: Windows 11 / 10 / 8.1 / 8 / 7 / XP (32-bit & 64-bit)
• Package Contents: PAC Firmware File, SPD Upgrade Tool, USB Drivers, Instruction Guides

Step-by-Step Flashing Instructions

1. Download the firmware package and extract it to a clean folder on your computer using WinRAR or 7-Zip.
2. Open the driver folder and install the Spreadtrum USB Driver according to your OS architecture.
3. Open the SPD Upgrade Download folder, right-click UpgradeDownload.exe, and select Run as administrator.
4. Click the first single gear icon (Load Packet) at the top-left corner and browse to select TCS7715_ADVAN_S35F+_V1.0_20150323_user.pac in the Firmware folder.
5. Wait a moment for the tool to verify and load the PAC file components.
6. Click the Start Downloading button (Play icon).
7. Power off your Advan S35F Plus completely. Press and hold the Volume Down key and plug the phone into the computer via USB cable.
8. Once the flashing progress starts, release the volume button.
9. Wait until the tool displays a green Passed notification. Disconnect the USB cable and power on your phone.