Unlocking ZTE modems is not as easy as Huawei modems. ZTE corporation keeps launching various models in the market with the help of network providers. I already provided various brand unlocking solutions for ZTE and Huawei company modems. Today, I have with unlocking solutions of ZTE MF637 3G Modem. ZTE MF637 3G Modem Dongle can be unlocked in two ways, one is DC Unlocker cracked version, also know as DCCrap.exe, and the other way is the firmware.
How to use DC-unlocker cracked version tutorial is here. To get a working download link of cracked version DC-unlocker software, sees the latest comment. I keep updating the new download link.
How to Unlock ZTE MF637 3G Modem free using DC unlocker cracked version?
1. Download the DC unlocker cracked version.
2. Now, unzip the downloaded file and extract it to a folder.
3. Now disconnect from the internet and change the SIM with another network provider to properly detect your ZTE MF637 3G Modem dongle using DC-unlocker software.
4. Now plug the modem into the PC and let it install all required drivers.
5. When the dashboard/software of ZTE MF637 3G Modem opens, then close it.
6. Now run the DC unlocker cracked version.
7. Select the ZTE tab from the dropdown.
8. Now click on search magnifying glass.
9. Now, after successfully connected your modem to DC-Unlocker, click on Unlock.
10. Now your modem is unlocked forever.
Or,
If you don’t want to use DC Unlocker cracked version, then download the firmware of ZTE MF637 Firmware from the Polish operator ERA DL_MF637_TMO_PL_0B05V1.00.00. Update the firmware of your ZTE MF637 3G Modem, and it will unlock your modem forever.
Or,
If your device asks for an unlock code after changing the SIM card, you can directly place an order at the ZTE server.