How to Unlock Huawei E392u-12 Telia Sweden Modem?
1. Download Huawei mobile partner software from the link which is provided at the end of the article.
2. Once the file is available in your PC, disconnect the internet and eject the modem from PC or laptop.
3. Change the default SIM card of your modem with other than Telia network provider SIM card.
4. Now uninstall Telia application from your PC.
5. Now install the downloaded Huawei mobile partner software in your PC.
6. Now leave running the latest mobile partner software in your PC and connect your Huawei E392 u-12 Telia Sweden modem.
7. Your modem will be detected by the computer and your modem will ask you for SIMlock code.
8. Now put NCK or unlock code as password and click on OK.
9. Now enjoy unlocked modem all over the world.
If above step does not work then download and use Huawei Modem Code Writer Tool to write unlock code into your Huawei E392 u-12 Telia Sweden modem.
Note : To use code writer tool, disconnect the internet and close everything which is related to your modem, otherwise code writer software will not work.
If both of above steps does not work then your Huawei E392 u-12 Telia Sweden modem has customized firmware and it can not be unlocked with above method.
You need to flash your modem before unlocking. To flash your Huawei E392 u-12 Telia Sweden modem.