Huawei D31HW is a 3G USB modem that supports the HSPA+ network and can download a file with a maximum speed up to 21 Mbps while the upload speed limit is 5.76 Mbps.
The Huawei D31HW USB dongle originally comes locked to Emobile Japan and can be purchased in other countries also for 99$ through 4gltemall. For your info, D31HW is the first HSPA+ Surf stick which offers an HSPA+ network in Japan.
The D31HW supports GSM/GPRS/EDGE(850/900/1800/1900MHz) and UMTS 1700/2100MHz operating frequency bands. Through its software, you can make a voice call and also send SMS. It is a plug and play adapter, which boasts a memory card slot of 4GB capacity.
D31HW weighs 30gm and can be operated with Windows 2000/XP/Vista and Mac Operating Systems.
How to Unlock Huawei D31HW?
1. Change the default SIM with another network SIM and plug it into a PC using USB.
2. Let it install all the software and drivers properly on your PC.
3. Now, the default software/dashboard of D31HW will be opened automatically; if not, then run it by double-clicking through its ICON.
4. Now, the modem will ask you for an unlock code/password / NCK code.
5. Provide an 8-digit correct unlock code, and your data card will be unlocked forever.
6. If your device does not ask for an unlock code, then download the Huawei modem code writer tool or card lock unlock tool.
7. Disconnect the internet and close the running software of the Emobile brand.
8. Now, detect the adapter under the downloaded software.
9. The software will show the IMEI of your modem.
10. Now put 8-digit correct unlock code and click on OK.
11. Now, your device is unlocked forever.
12. Create the profile as per the new sim and enjoy the internet worldwide with any SIM, including Emobile of Japan.
Note: Unlock code / NCK / Password charge of Huawei D31HW is 6 USD; interested people can pay through PayPal. While paying, mention the model with IMEI in the transaction so that I can send the correct SIMlock code within 8 hrs.
