All 15 digits of IMEI have the range of 0 to 9 coded as binary coded decimal.

So dont try to change IMEI from another device because duplication in IMEI is illegal to operate in any country as well as any device with null IMEI or 000000000000000 IMEI is perfectly illegal to operate and your data connection could be terminated with immediate effect after its detection by the service provider.

Hence, legal obligations necessitates it to restore lost IMEI of your device, which is lost whatever the case.

As some people lost it due to wrong firmware flashing or during unlocking process or boot shortneedle unlocking method that may erase NV data of your modem.

It means, if IMEI is missing from your device, it is still in half-dead state but it can be repaired and re-used without any problem.

In this article, we will guide you regarding restoring repairing lost IMEI of your old and latest models of huawei modems including E5573, E5577, E3372h, etc.

RESTORING REPAIRING CHANGING IMEI OF HUAWEI MODEMS Method-1 (Normal AT Command) 1.

Detect device under DC unlocker software.

Execute following AT command in DC-unlocker ATDATALOCKdatalock code (with quotes) Note: Replace 8-digit datalock code according to your IMEI or 00000000 or 99999999 whatever you choose.

Press enter from keyboard.

Response will be OK.

Attention: Now you are in very sensitive area of your device records i.e.

NV data and you can run any supported commands here.

To change or restore original IMEI on your device, execute following AT command: ATCIMEI15 DIGIT IMEI NUMBER 7.

Note: Replace the 15 DIGIT IMEI NUMBER with IMEI printed on your device or new one that you want to change.

Now Execute this AT command and your device will restart ATRESET You can check IMEI of your device by issuing following at-commands: ATAUTHORITYID Or ATI Your device original IMEI has been successfully restored.

Note: Dont rest or restore default your device otherwise IMEI may be erased then you have to restore it again.

Method-2 (NVRAM AT Commands Paid) Step 1.

To change or restore original IMEI on your device, first you have to convert your IMEI into specified hexadecimal format like given below then execute one of the following modified AT-commands: ATNVWREX0,0,16,08 06 06 02 08 00 00 02 00 06 02 04 06 04 00 00 or ATNVWR0,16,08 06 06 02 08 00 00 02 00 06 02 04 06 04 00 00 Note: This modified hexadecimal AT-Command value will be different for every device according to its IMEI.

Now you can use it without any legal obligation and once again remember that IMEI change is illegal.

Information: These two commands will permanently write IMEI to NVRAM record of your device and it will not be removed even after rest or restore default your device.

Note: If you are interested in permanently restore original IMEI of your device, you can get its modified hexadecimal AT-Command value according to IMEI from here.

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Huawei E3372 Change Imei