How to Unlock E3251 (E3251 Hi Link) Huawei 4G Dongle?
1. Download E3251 (E3251 Hi Link) Huawei 4G data card unlocker software from the link which is provided at the end of the article.
2. Now disconnect the internet and change the default SIM with another network provider SIM (another than default network sim in E3251 (E3251 Hi Link) Huawei 4G dongle).
3. Now connect the modem to PC or laptop.
4. Now let it launch the software of the modem.
5. Now close the software of modem.
6. Now run the downloaded E3251 Hi Link Huawei 4G unlocker software.
7. Now detect your E3251 HiLink dongle into the downloaded software.
8. Now put 8 digit unlock code in “Unlock Code(6-8 digits):” box and click on OK button.
9. Now your modem is unlocked forever.
Note: Don’t use any wrong / free codes into E3251 (E3251 Hi-Link) Huawei 4G modem. It comes with Huawei new Algorithm security and cannot be unlocked with old algorithm security unlock code. If you will try 10 times with wrong codes then your modem will be locked permanently.