Match the exact model, region, and branch name. Similar model numbers are not the same device.
Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.
The Mobicel Venus G is a budget smartphone with a Spreadtrum/Unisoc SP7731C chipset and Android 8.1. Like many SPD-based devices, it is vulnerable to persistent bootloop (stuck at logo), dead/no power after incomplete flashing, malware and pop-ups, rapid battery drain, IMEI/network or Wi-Fi failure, and Google FRP lock after resets.
When these serious issues occur, the best solution is a full firmware reinstallation using the official PAC file and SPD Upgrade Tool.
Mobicel Venus G Firmware Details
| Attribute | Details |
|---|---|
| 📱 Device | Mobicel Venus G |
| 🆔 Chipset | Spreadtrum SP7731C |
| 🤖 Android OS | 8.1 |
| ✅ Build Version | 180620 |
| 📂 File Type | PAC Firmware |
| 💻 Flashing Tool | SPD Upgrade Tool / ResearchDownload |
Download Official Firmware for Mobicel Venus G
- Build: 180620
- File Name: Mobicel_Venus_G_SP7731C_180620_8.1_SPD.zip
- Size: 776MB
- 🔗 Download Link: Download (MediaFire)
Why Flash This Specific Firmware?
- Fix Bootloops/Logo Stuck: This ROM repairs Mobicel Venus G phones that keep restarting or hang on the Mobicel logo after updates, malware, or factory resets.
- Unbrick a Dead/Not Turning On Device: If your Venus G is non-responsive after a failed/incomplete flash, this full PAC firmware can recover it with SPD Upgrade Tool.
- Remove Malware, Restore Battery, and IMEI: System-level malware, pop-ups, or network and battery issues that survive resets are wiped only by factory ROM flashing.
- Fix No Network/Wi-Fi/Camera: Lost IMEI, Wi-Fi, or camera failure is often caused by corrupted OS and is fixed only by official firmware.
- Bypass FRP/Google Account Lock: A fresh ROM flash resets the device, bypassing any lingering Google locks or frozen/frp-locked recovery after reset.
Crucial Prerequisites Before Flashing
- The latest SPD Upgrade Tool
- Correct Spreadtrum USB drivers on Windows
Important: Back up data—flashing erases the device.
How to Flash the Firmware
- Extract
Mobicel_Venus_G_SP7731C_180620_8.1_SPD.zipto a folder. - Install Spreadtrum drivers if needed.
- Open SPD Upgrade Tool, load the PAC file, and click “Start Downloading.”
- Connect powered-off device (usually with Volume Down pressed) to start flashing.
Step-by-step visuals here:
→ How to Use the SPD Upgrade Tool to Flash Your Smartphone
Disclaimer: Using the wrong ROM or process can brick your phone. Use only if sure this is your exact model—not responsible for loss/damage.