The status bar will reach 100%, and a window stating "Update Successful" will appear. Click . Unplug your USB dongle, reinsert your SIM card, and plug it back into your PC. Your device is now running the updated firmware. Troubleshooting Common Update Failures
Locate your device's 15-digit printed under the plastic cover of the dongle. Use a free online Huawei unlock/flash code calculator. huawei+e303s1+firmware+update+free
Providing a list of verified
(Optional: if you prefer a standalone desktop dashboard application). The status bar will reach 100%, and a
For a safe and free experience, avoid third-party "driver download" sites which often package malware. Stick to: 4PDA (Huawei E303 Section) Your device is now running the updated firmware
Most Huawei E303s-1 modems require an authorization code (known as a Flash Code) before the firmware wizard allows an overwrite.
: Note down your current firmware version and IMEI from the device settings or the label under the cap.