Click the Double Gear icon to deselect specific partitions if needed. Start: Click the Play (Start Downloading) button.
| Error | Likely Cause | Solution | |-------|-------------|----------| | Failed to download FDL1 | Driver issue or wrong mode | Reinstall SPD drivers, try different USB port/cable | | Sending FDL1 timeout | Device not entering download mode | Check key combo, remove battery for 10 sec, try mode | | Partition mismatch | Wrong firmware | Download correct firmware for your exact model/variant | | Write flash timeout | USB instability | Use USB 2.0 port, disable antivirus, run as Admin | | Device not found | Missing driver | Check Device Manager → manually update driver to SPRD U2S | spd flash tool r4.0.0001
Seamlessly installs official stock ROMs (.pac format). Click the Double Gear icon to deselect specific