Navigate to the or Settings tab (this varies slightly depending on your current software version). Select USB Menu or Software Update via USB .
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| Step | Action | Remarks | |------|--------|---------| | | Prepare the USB drive as described above. | Use a virus‑free USB flash drive formatted as FAT32 ; do not use a portable HDD for the update process. | | 2 | Plug the USB drive into the USB port of the Strong SRT 4940. | The receiver should be in normal operation mode. | | 3 | On your remote control, press MENU to enter the main menu. | – | | 4 | Navigate to the Tools submenu and select Upgrade by USB . | Some models require you to press “666666” after entering the main menu to launch the upgrade function. | | 5 | In the upgrade menu, set Upgrade Mode to “Allcode” using the p/q buttons. | This ensures that all software modules are updated. | | 6 | Select Upgrade File and choose the file you copied to the USB drive. | If you have placed the file correctly, it will appear in the list. | | 7 | Move the highlight to Start and press OK to begin the upgrade. | A confirmation message (“Are you sure to burn flash?”) will appear – select Yes to proceed. | | 8 | Wait for the upgrade to complete. The receiver will show a progress bar; do not interrupt the power or remove the USB drive during this phase. | After finishing, the receiver will restart automatically. | | 9 | Once the reboot is finished, perform a factory reset via the Tools → Load Factory Setting menu. This clears old channel data and ensures that the new software works correctly. | Factory reset will erase all stored channels and user settings. After the reset, you must rescan your channels. |
The receiver will begin the update. the device until the process is complete and it reboots automatically. Verification and Support Authenticity : You can verify if your
If a power interruption occurs during installation, the decoder might get stuck in a boot loop. You will need to take the receiver to a specialized technician to flash the chip externally using an RS232 null-modem serial cable and loader software. Missing Channels After Update
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The downloaded file might be corrupted. Delete it, re-download the package, and try the process again with a different USB drive.
After successfully updating your Strong SRT 4940 software, it is highly recommended to perform a (Menu > Settings > Factory Reset > Delete All). This clears out old, conflicting system cache configurations leftover from the previous version. Once reset, run a fresh Blind Scan on your target satellites to pull down the newest channel lists, updated frequencies, and correct transponder bitrates.