Flashing firmware erases everything on the phone. Turn Off the Phone: Power down your Q10 completely.
Below is a comprehensive guide on sourcing and installing the official firmware for the SQN100-3 variant. 🛠️ Identifying the SQN100-3 blackberry q10 sqn100-3 firmware download
Remove the back cover and battery to see the exact model number. Check Settings: Go to Settings > About > Model Number. 📥 Firmware Download Sources Flashing firmware erases everything on the phone