: Ensure the phone has enough charge to prevent it from shutting down during the flash.
Open the UpgradeDownload.exe , click the Gear (Load Packet) icon, and select your downloaded .pac firmware file. Firmware BLU C5L Max
If you factory reset the device via firmware, you will still be prompted for the original Google Account credentials (Factory Reset Protection). : Ensure the phone has enough charge to
| Problem | Solution | |----------------------------------|-------------------------------------------| | BROM ERROR: S_BROM_DOWNLOAD_DA_FAIL | Wrong driver or USB port (try USB 2.0) | | Device not detected in SP Flash Tool | Reinstall VCOM drivers, swap cable | | Preloader error | Battery too low – charge for 1 hour | | Stuck at “Download DA 100%” | Use a different version of SP Flash Tool | click the Gear (Load Packet) icon