If you have customized your Wi-Fi name (SSID), password, or firewall rules, updating the firmware might reset the router to factory defaults.
Even with perfect steps, things go wrong. Here is how to fix them: iball 300m mimo wireless-n router firmware update
| Problem | Likely Cause | Solution |
| :--- | :--- | :--- |
| "Wrong File" error | You downloaded firmware for a different hardware version. | Double-check the sticker on the router. Re-download the correct file. |
| Update stuck at 50% | Network interruption or browser timeout. | Do not turn off power. Wait 10 minutes. If still stuck, you need recovery mode (see below). |
| Router won't turn on after update (Power light blinking slowly) | Corrupted firmware (bricked). | This is recoverable. Set your PC’s IP to 192.168.1.10. Open a TFTP client and re-flash the original firmware. |
| Can't log in after update (password not working) | Firmware reset to factory defaults. | Use default credentials (admin / admin). Check sticker on router for unique default passwords. | If you have customized your Wi-Fi name (SSID),
Once the router restarts, you are not quite finished. Even with perfect steps, things go wrong
| Issue | Likely Fix | |-------|-------------| | “Wrong image” file | Model/hardware version mismatch – double-check | | Router doesn’t reboot | Perform TFTP recovery (requires specific iBall TFTP tool – contact support) | | Can’t access GUI after update | Hard reset (30-30-30 method: hold reset 30 sec, unplug 30 sec, replug while holding reset 30 sec more) |