You will need:
Steps:
Install the USB driver (found inside the firmware ZIP – PL2303_Driver.exe or similar). satlink st-5150 firmware download
Prepare the meter:
Run the flasher:
Finalize: Disconnect USB, remove/replace the battery, then power on. Go to Menu > System > Factory Reset to clear old calibration data.
| Problem | Likely Cause | Solution |
|---------|--------------|----------|
| Device won't turn on after update | Wrong firmware or interrupted update | Try recovery mode (hold power + menu). If fails, need JTAG recovery. |
| Update not starting | Wrong filename or file not in root folder | Rename file to ST-5150.bin (case-sensitive). Reformat SD card. |
| Error message “Invalid image” | Corrupt download or wrong model | Re-download from trusted source. Ensure file is for ST-5150, not ST-5150D or ST-5250. |
| Lost satellite list | Factory reset cleared it | You must manually re-add or restore a backup. | You will need:
If you bought your meter from a major electronics distributor or a specialized satellite equipment store, check their support page. Reputable sellers often host a "Downloads" section for the equipment they sell.
Critical Warning: Download firmware only from trusted sources. Corrupted or wrong firmware can permanently brick your device. Steps: