The Advan S50 4G model i5G is an entry-level Android smartphone powered by a Spreadtrum SC9850KA chipset, running Android 8.1 Oreo (Go Edition) with 1GB of RAM and 8GB of internal storage. While this device offers reliable performance for basic tasks, users may encounter common issues such as boot loops, system crashes, forgotten screen locks, slow performance, or software corruption that requires a complete firmware reinstallation.
Flashing, also known as installing stock ROM, is the process of reinstalling the official operating system on your Android device. This procedure can effectively resolve various software-related problems, restore your device to its factory state, remove custom ROMs or root modifications, and potentially improve overall system stability and performance. For the Advan S50 4G i5G specifically, the flashing process requires the QGDP Assembly Tool, which is designed to handle firmware files in CPB format, the official package format used by Advan for this particular model.
In this comprehensive guide, we will walk you through the entire process of flashing your Advan S50 4G i5G using the QGDP Assembly Tool. Before proceeding, it is crucial to understand that flashing carries certain risks if not performed correctly. Incorrect firmware selection, interrupted flashing processes, or improper driver installation can potentially brick your device, rendering it unusable. Therefore, we strongly recommend reading this entire guide carefully before attempting any steps, ensuring you have the correct firmware file for your exact model, and backing up all important data beforehand.
This guide is based on proven methods and community-tested procedures that have been successfully used by many Advan S50 4G i5G users. Whether you are looking to fix a bootloop issue, unbrick your device, remove malware, or simply restore your phone to its original factory condition, this step-by-step tutorial will provide you with clear, detailed instructions to complete the flashing process safely and effectively.
Important Pre-Flash Considerations:
- Backup Your Data: Flashing will erase all data on your device, including contacts, messages, photos, and installed apps.
- Battery Level: Ensure your device has at least 50% battery charge to prevent interruptions during the flashing process.
- Correct Firmware: Only use firmware files specifically designed for the Advan S50 4G model i5G. Using incorrect firmware can permanently damage your device.
- USB Drivers: Proper installation of Spreadtrum/MTK USB VCOM drivers is essential for your computer to detect the device.
- Original USB Cable: Use a good quality USB data cable to ensure a stable connection during flashing.
How to Flash Advan S50 4G i5G Using QGDP Assembly Tool: Complete Step-by-Step Guide
Here are the steps to flash the Advan S50 4G i5G using the QDDP Assembly Tool. Download the materials through the following link:
First, open the QGDP Assembly application by right-clicking QGDP Assembly.exe, then select Run as Administrator.
Click the login menu several times until the TEST Login profile appears.
Click Config to load the Advan S50 4G PAC firmware file, as shown in the screenshot below:
Connect the Advan S50 4G to the computer via a USB cable by first pressing the Volume Up and Down buttons simultaneously, then plug in the USB connector. When Windows detects the connected hardware device, click the Scan Port Menu in QGDP Assembly. After the serial port appears, select it and click Save.
Click the Start button to begin the Flash. The flashing process will proceed automatically for several minutes. Wait until the flash process is declared complete.
Here, I experienced a failed flash on an Advan S50 4G in a completely dead condition. The flashing process has been attempted several times, but when the percentage approaches 98%, it always ends in failure. If the condition is already like this, the step that can be taken is to try flashing using the Research Download Tool or Upgrade Download Tool. If it still does not work, such as the appearance of Enable Read Partition or Incompatible Partition, it means the eMMC on the Advan S50 4G is indeed already faulty, and its eMMC must be replaced.
After the flashing process is successful and complete, unplug or disconnect the USB cable, then try turning the Advan S50 4G back on. Under normal EMC conditions, after flashing, the Advan S50 4G should be able to turn on normally again without any issues.
Conclusion
Flashing your Advan S50 4G i5G using the QGDP Assembly Tool is an effective solution for resolving various software issues and restoring your device to optimal working condition. By following the step-by-step instructions carefully, you can successfully reinstall the official stock firmware, fix bootloop problems, remove screen locks, eliminate malware, and improve overall system performance.
The key to a successful flashing process lies in proper preparation: ensuring you have the correct firmware file for your exact model, installing the necessary USB drivers, using a reliable USB cable, and maintaining sufficient battery charge throughout the procedure. While the process may seem technical for beginners, taking the time to understand each step and proceeding with caution will greatly minimize the risk of complications.
It is important to remember that flashing should be considered as a last resort after trying simpler troubleshooting methods such as a factory reset or clearing the cache partition. However, when performed correctly, flashing can breathe new life into your Advan S50 4G i5G, resolving persistent software issues that cannot be fixed through conventional means.
After successfully completing the flashing process, your device will boot up with a fresh installation of the official Android operating system. The first boot may take longer than usual, typically 5 to 10 minutes,s so be patient and do not interrupt the process. Once your device is fully operational, you can restore your backed-up data and enjoy a clean, stable, and responsive smartphone experience.
