Experiencing a bootloop, frequent force closes, or just encountering system bugs due to a software update on your Vivo S1 Pro (PD1945F) / V17 (1920)?
Don't rush to take it to a service center. Based on technical experience, software damage or user errors can often be resolved by reprogramming the device independently.
Below is a complete guide, prerequisites, and download links for the tested firmware to restore your device.
Features and Benefits of Flashing Tested Firmware
Flashing using tested firmware and applications from Vivo ensures several key points:
- System Restoration: Restores the operating system to its original factory state, cleans the device of viruses/malware, and resets modifications that cause errors.
- Full Compatibility: Ensures hardware and software components work harmoniously without compatibility issues.
- Official Tool Support: Using AFTool (Version 5.2.15) guarantees the process of reading system files by your PC runs optimally and minimizes risks.
Download Link: Vivo S1 Pro / V17 (1920) Firmware
Select and download the firmware version that best suits your system needs. The files below are guaranteed safe (Tested 100%).
Firmware Version 1.11.1
- OS/System Version: 1.11.1 (Base system)
- File Format: .tar.gz
- Suitable for: Basic repairs and returning to a stable default version.
Firmware Version 6.8.14
- OS/System Version: 6.8.14 (Higher update)
- File Format: .tar.gz
- Suitable for: Fixing bugs in previous OS versions and improving security system features.
Pre-Flashing Preparation
How to Flash via AFTool
The installation (flashing) process requires precision. Please follow the steps below in order:
- Download and extract one of the
.tar.gzfirmware files above using an extractor application like WinRAR on your Windows PC. - Download and install the latest AFTool application (Version 5.2.15) on your computer. Ensure the Qualcomm USB driver (QDLoader 9008) is also installed correctly.
- Open and run the AFTool application.
- Inside AFTool, navigate to or load the firmware folder you extracted earlier into the Qualcomm system column.
- Turn off your Vivo S1 Pro smartphone. Connect it to the computer using a high-quality USB cable while pressing a specific button combination to enter EDL Mode / Download Mode.
- Wait a few seconds for AFTool to detect the device port (usually appears as a COM port).
- Click the Download button in the AFTool interface.
- Let the process (progress bar) run until the indicator reaches 100%. Do not unplug the cable while the process is ongoing.
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