The Positivo Slim S510 is a budget-friendly Android powered by a Spreadtrum SC7731c chipset running Android 7.0. Common problems include repeated bootloops after accidental reset, “no service” or IMEI loss, laggy response and frequent app crashes, battery draining too quickly, camera freezing or error, and bricking due to failed or interrupted flashes.
Official stock firmware (Positivo_Slim_S510_10032018_7.0_SPD.zip) will restore factory OS, fix boot issues, recover lost IMEI/network, and improve lag and stability. Applying validated SPD firmware allows you to revive dead phones, solve persistent software faults, and bring your S510 back to default performance.
Positivo Slim S510 Firmware Details
| Device Name | Positivo Slim S510 |
|---|---|
| Chipset | Spreadtrum SC7731c (quad-core 1.3GHz) |
| OS | Android 7.0 Nougat |
| RAM & Storage | 1GB RAM, 8GB/16GB storage (MicroSD expandable) |
| Display | 5.0″ LCD, 480×854 px |
| Camera | Rear: 5MP, Front: 2MP |
| Battery | 2000mAh removable |
| Firmware File Name | Positivo_Slim_S510_10032018_7.0_SPD.zip |
| Build Date | March 10, 2018 |
| File Size | 747MB |
| File Type | ZIP, SPD PAC format for SC7731c |
| Flashing Tool | SPD Research/Upgrade Tool (Spreadtrum/UNISOC) |
Warning: Flashing the wrong model or region, skipping backup, or missing driver steps can brick your S510 or erase IMEI/SIM. Use only SC7731c/S510-specific firmware. Make sure to backup personal files and charge the device above 50% before starting.
Download Official Firmware for Positivo Slim S510
Positivo_Slim_S510_10032018_7.0_SPD.zip
📦 Size: 747MB
🗓️ Build Date: March 10, 2018
🔢 Firmware Version: Android 7.0 SPD Official
⬇️ Download Link: Mediafire
Fixes: Full unbrick, bootloop, lag, IMEI/network problems, camera and app crash recovery.
How to Flash the Firmware
- Install all SPD/Spreadtrum/UNISOC USB and ADB drivers on Windows PC.
- Extract the ZIP, launch SPD Research/Upgrade Tool, and load the included.pac file.
- Connect the powered-off phone to PC (hold Vol Down/Up to force detection); click “Download.”
- Wait for process to finish (green check); do not unplug or interrupt.
- Boot up, set up Android if needed. Flash original IMEI if network is lost, restore data backup manually.
Full SP flash tool guide with screenshots and troubleshooting: SPD Research/Upgrade Tool guide.
Special Guides for S510/Spreadtrum:
SPD/UNISOC Devices: SPD Flash Tool
