The Hotwav Venus R7 (model: SP7731CEB, build 02012018) is a compact budget Android tailored for emerging markets, built on Spreadtrum’s stable SC7731C platform. From mid-2018, many users in Africa and India reported “No SIM” detection, system UI “keeps stopping,” bootloop after data wipe, and total touch failure after local SPD flashes. These issues were especially concentrated in R7 units with vertical “Hotwav” logo and side volume keys, pointing to a unique panel and NV partition. Generic SC7731C firmware rarely restores phone function—owners risk breaking SIM, camera, or touch if they stray. This official 6.0 Marshmallow .pac, built January 2, 2018 (554MB), is the only thoroughly-tested recovery tool that reliably repairs partition issues for R7 hardware—bringing back Play Store, all SIM slots, responsive touch, and camera preview in a single flash.
Hotwav Venus R7 SP7731CEB Firmware Details
| Device Name | Hotwav Venus R7 |
|---|---|
| Chipset | Spreadtrum SC7731C (SP7731CEB) |
| Android Version | 6.0 Marshmallow |
| RAM / Storage | 1GB RAM / 8GB ROM |
| Firmware Version | 02012018 (Jan 2, 2018 release) |
| File Size | 554MB |
| File Type | .pac (SPD Upgrade Tool) |
| Tool Required | SPD Upgrade Tool / ResearchDownload |
Download Official Firmware for Hotwav Venus R7
Size: 554MB
Build Date: January 2, 2018
Chipset: Spreadtrum SC7731CEB
Android Version: 6.0 Marshmallow
Download Link: MediaFire Direct Link
Why Flash This Specific Firmware?
- Bring Back Full SIM/Network Detect: R7 users with failed updates saw both SIMs disabled—this firmware restores all baseband, modem, and NV data for instant carrier recovery.
- Fix Infinite Bootlogo/“System UI Has Stopped”: Common after data wipe or forced reset, the .pac rebuilds boot/recovery with required permission table for error-free launch and Play Store login.
- Repair No Touch/Dead Zones after Bad Flash: Only this version revives all touchscreen zones; generic R7 .pacs leave many devices with “screen does not respond” even after multiple wipes.
- Restore Camera Preview and App Save: Camera “black screen” or failure to save photos after Play Store update are fixed by installing the original sensor HAL and storage mount script from this firmware.
- Solve Wi-Fi Dropout/Hotspot Pairing: Wi-Fi auto-off or failing to share were tied to bad partitions; this flash returns all network functions for APN, Wi-Fi, hotspot, and Bluetooth.
How to Flash the Firmware
Flashing with SPD Upgrade Tool:
- Extract firmware. Open SPD Upgrade Tool (ResearchDownload), load the .pac from extracted folder.
- Click “Start Downloading.” Power off R7, hold volume down, connect with USB while holding.
- Wait 6–12 minutes for flashing; “Passed” box means finished.
- Restart. Check SIMs, Play Store, full touch, and camera direct after setup.
Step-by-step visual troubleshooting: How to Use the SPD Upgrade Tool to Flash Your Smartphone
