How to Change Ttl On a Huawei E8372 Modem

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I already taught you how to unlock a modem bought in Megaphone, MTS or Beeline. Now your modem from Megafon can work with sim cards of any operator, at least with Tele2. Now I give instructions on how to teach a modem to pretend to be a tablet. What for? Yes, in order to use a free tariff from MTS “Tablet Mini” or from Beeline “Internet Forever” in the modem.

Simple instructions for changing IMEI in Huawei USB modems

The instruction was checked on the M150-2 modem from Megaphone. In Beeline, the same model is sold as E3370, and in MTS under the brand name 829F. The real name of this modem is Huawei E3372h or Huawei E3372h-153.

We will change IMEI with the help of AT commands, which we will send to the modem with the terminal program DC-unlocker client. I will not repeat where to get the program and how to use it, read here.

  1. First, It is assumed that you already have a special OEM code. OEM code allows writing to modem memory. If there is no code yet, then read the last section.
  2. Second you connected a usb modem, installed drivers, launched the DC-unlocker client program, defined your modem in the program (again, who does not know how you are here.)
  3. Third, successively give three commands (after each command, press Enter, the result of the command is Ok):

00000000. OEM code (unforgettable quotes)

013117008469006. new IMEI (also indicate in quotation marks)

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Video: How to Change Ttl On a Huawei E8372 Modem


The first command allows writing to the modem’s memory, the second writes a new IMEI, the third command reloads the modem.

Everything! You have a Huawei modem with a new IMEI.

The instruction may not work if you got a modem with some updated firmware, in which the execution of AT commands is disabled.

Where can I get the OEM code for Huawei modems (M150-2, E3370, 829F, E3372h, E3372h-153)?

OEM code, installed by the Huawei modem manufacturer, can be calculated by IMEI device (your real IMEI what’s on the box) using a special calculator.

But the calculator calculates the code for a long time, and you still need to find the calculator on the Internet. You can also contact someone who has a calculator for a fee. Sites offering services for the calculation of various codes by IMEI abound.

I can write about the calculator another time, and now we will use the fastest and free option.

We will not calculate the OEM code, but simply reset it to a value "00000000", those. "00000000" This will be your OEM code.

To do this, we give two AT commands:

AT ^ NVWREX = 50502.0,128.8F 29 FF 8E A8 CA 34 89 78 73 18 BA 9E F5 9C 64 0B A4 DB 81 DC 03 45 6E 72 DA EC 6A 0C 7C 90 65 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8B 8C F4 B5 AF 0C F2 2C FE E0 F4 46 9C CF 47 95 36 71 1F 1C BF 05 7F 84 AB A9 F2 92 89 33 3C 12 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Unfortunately, the DC-unlocker client program does not support such long commands, so you should use another one, for example, this Terminal.

How to Change Ttl On a Huawei E8372 Modem
  1. Run the program Terminal
  2. Select the port to which the modem is connected
  3. Click the Open / Close Port button
  4. Insert the AT command in the bottom line and click Submit.

Now you have a super simple OEM code “00000000”, you can safely change IMEI.

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