Is your Hotwav Venus R12 showing “No Service” permanently, displaying a “Null IMEI” or “Invalid IMEI” in the settings, or failing to make any calls despite a full signal bar? User reports for this model consistently point to baseband and NVRAM corruption as the root cause, often after a failed update or software crash. This corruption wipes your phone’s unique identity, making it invisible to mobile networks. The official Hotwav_Venus_R12_SPD firmware provided here is your only guaranteed solution. This file contains the specific drivers to rewrite the baseband and repair the NVRAM, restoring your phone’s IMEI number and its ability to connect to cellular networks.
Hotwav Venus R12 Firmware Details
| Detail | Information |
|---|---|
| Device Name | Hotwav Venus R12 |
| Model | Venus R12 |
| Chipset | Spreadtrum (UNISOC) – Confirmed by “_SPD” in filename |
| Android Version | Likely Android 6.0 or 7.0 |
| Firmware Version | V01.01.B02 |
| Build Date | October 7, 2017 |
| File Size | 671 MB |
| File Type | PAC Firmware |
| Flashing Tool | SPD Upgrade Tool or ResearchDownload Tool |
Warning: Flashing a Spreadtrum (SPD) device is a critical procedure. The firmware contains the NVRAM partition that holds your device’s unique IMEI and calibration data. Flashing with an incorrect tool or interrupting the process can permanently corrupt the NVRAM, resulting in an irreparable “No Service” issue, even with a correct IMEI rewrite attempt later. Proceed with extreme caution.
Download Official Firmware for Hotwav Venus R12
This is the official V01.01.B02 stock firmware for the Hotwav Venus R12, specifically designed for devices with the Spreadtrum (UNISOC) chipset.
- 📄 Filename: Hotwav_Venus_R12_V01.01.B02_10072017_SPD.zip
- 📦 Size: 671 MB
- 🗓️ Build Date: 07 October 2017
- 🔢 Build Version: V01.01.B02
- 🤖 Android Version: Likely Android 6.0 or 7.0
- ⬇️ Download Link: MediaFire
How to Flash the Firmware
To install this firmware on your Hotwav Venus R12, you must use a Spreadtrum (SPD) flashing tool, as indicated by the “_SPD” in the filename.
- Download the firmware file and the SPD Upgrade Tool (ResearchDownload Tool) on your computer. Install the necessary Spreadtrum USB drivers.
- Extract the downloaded ZIP file. You should see a .PAC file, which is the main firmware package for SPD chipsets.
- Open the SPD Upgrade Tool, load the .PAC firmware file, and ensure the settings are configured for “Download” or “Upgrade” mode.
- Power off your Hotwav Venus R12 completely. Do not connect it to the PC yet.
- Click the “Start” or “Download” button in the tool, then connect your powered-off phone via USB cable. The tool should detect it and begin the flashing process.
For a complete, step-by-step guide with pictures and videos on how to flash the firmware using the SPD Upgrade Tool, go here to see the detailed tutorial.
Disclaimer: The firmware files and flashing instructions provided on this website are for advanced network and software repair purposes only. We are not responsible for any damage that occurs to your Hotwav Venus R12, including permanent baseband corruption, persistent “No Service” issues, IMEI loss, or a complete device brick. You are performing this highly technical procedure entirely at your own risk. If you encounter any problems, you can describe the issue in a comment below, and the community may offer suggestions.

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