Positivo Twist S520 Firmware Flash Guide, User Issues & MTK Unbrick
The Positivo Twist S520 is an entry-level Android based on the MediaTek MT6580 quad-core chipset. Users frequently encounter dead boot after failed updates, stuck on boot logo, non-working touchscreen after flash, random phone freezes, missing IMEI/network, and FRP (Google account) lock issues. Some have trouble recovering from bootloops when incorrect firmware is flashed or when the preloader is erased or missing. The right MT6580 firmware file revives bricked devices, restores boot and touch, and solves many system app failures.
Positivo Twist S520 Firmware Details
| Device Name | Positivo Twist S520 |
| Chipset | MediaTek MT6580 (Quad-core, 1.3GHz, Mali-400MP2) |
| RAM/Storage | 1GB/16GB (microSD up to 64GB) |
| Display | 5.0″ FWVGA IPS, 480×854 px |
| Camera | 8MP Rear, 5MP Front |
| Battery | 2200mAh removable |
| OS | Android 6.0 Marshmallow |
| Firmware Filename | Positivo_Twist_S520_MT6580_15092017_6.0.zip |
| Firmware Version | 15092017 (S520.BR.OPEN) |
| File Size | 524MB |
| File Type | .zip (contains MTK scatter/SP Flash Tool files) |
| Flashing Tool | SP Flash Tool / Positivo Recovery Tool |
Warning:
Using the wrong ROM, skipping preloader, or interrupting a flash can permanently brick your S520. Touchscreen and IMEI issues may occur if you mix versions or lose partitions. Always verify exact device version and use a good USB cable and charged battery. Flashing wipes all user data—backup first.
Download Official Firmware for Positivo Twist S520
Use this MT6580 firmware to revive bricked/bootlooped S520, fix touch and FRP lock, or restore factory system (tested on 6.0/S520.BR.OPEN).
Firmware:
📄 Filename: Positivo_Twist_S520_MT6580_15092017_6.0.zip
📦 Size: 523.41MB
⬇️ Download Link (MediaFire)
How to Flash the Firmware
- Extract Positivo_Twist_S520_MT6580_15092017_6.0.zip to get the scatter and firmware files.
- Install MTK VCOM USB drivers (Windows). Download and launch SP Flash Tool.
- Load scatter file in SP Flash Tool. Power off phone, remove battery (if possible), hold Volume Down, and connect USB.
- Click “Download” in tool and wait for complete flash (progress bar turns green/message “Download OK”).
- Disconnect phone, reinsert battery, power on and wait. First boot may take several minutes (be patient).
For step-by-step MTK flashing guide and fix for boot/IMEI issues, see: here.
