Unlocking of Dialog Srilanka Huawei E303 modem is supported by unlock code. It comes with un-customized firmware and there is no need to change the software / firmware of the dongle. Once the correct code entered in the data-card, it will be unlocked forever.
How to unlock Dialog Srilanka Huawei E303 Modem?
1. Download the Dialog Srilanka Huawei E303 dongle unlocking software from the link which is provided at the end of the post.
2. Now disconnect the internet and change the default sim with another network provider sim (another than Dialog network sim in Dialog Srilanka locked Huawei E303).
3. Now connect the modem to PC or laptop.
4. Let it launch the software of the modem.
5. It will prompt for unlock code / simlock code.
6. Enter the unlock code and click OK.
7. Now your Dialog Srilanka Huawei E303 is unlocked forever.
In case it does not prompt for code,
8. Close the software of modem (Huawei Mobile Partner software of Dialog brand).
9. Run the downloaded Dialog Srilanka Huawei E303 unlocker software.
10. Detect the E303 Huawei into the downloaded software.
11. Input the 8-digit unlock code in “Unlock Code(6-8 digits):” box and click OK button.
12. Now your modem is unlocked forever.
Note : Don’t use any wrong codes into Dialog Srilanka Huawei E303 dongle, otherwise it will be locked permanently.