B315s-22 modify NVRAM hardware model information
2018-11-15 02:13 reading:91
Huawei CPE or MIFI device information (IMEI\SN\SSID\WIFI KEY), model, hardware version number, MAC address and other information, are generally stored in NVRAM, this part of the information is usually not affected during the brushing process (also brush machine The situation that causes the device information to be lost is not discussed here.)
Sometimes, the operator's customized device will modify the model name of the device, and the model will not be changed after brushing the general firmware. So we can also modify the NVRAM parameter to achieve the purpose of modifying the display model. Here, take B315s-22 as an example.
X
Equipment original information Before modification, you can see the device model B315s-22, the hardware version number is WL1B310FM01.
Our goal is to change the model number to B315s-607, the hardware version number is WL1B310FM04.
1. Read the device signal information:
at^nvrdex= 53525,0,128
^NVRDEX: 53525,0,128,03 00 0 0 0 0 0 0 0 0 0 0 0 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 00 00 00 57 4C 31 42 33 31 30 46 4D 30 31 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 00 00 00 00 00 00 00 00 00
OK
2. Format conversion: The
above is the model information string , expressed in hexadecimal form, is not easy to understand, so we need to convert hexadecimal to ASCII code for interpretation:
Sometimes, the operator's customized device will modify the model name of the device, and the model will not be changed after brushing the general firmware. So we can also modify the NVRAM parameter to achieve the purpose of modifying the display model. Here, take B315s-22 as an example.
XOur goal is to change the model number to B315s-607, the hardware version number is WL1B310FM04.
1. Read the device signal information:
at^nvrdex= 53525,0,128
^NVRDEX: 53525,0,128,03 00 0 0 0 0 0 0 0 0 0 0 0 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 00 00 00 57 4C 31 42 33 31 30 46 4D 30 31 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 00 00 00 00 00 00 00 00 00
OK
2. Format conversion: The
above is the model information string , expressed in hexadecimal form, is not easy to understand, so we need to convert hexadecimal to ASCII code for interpretation:
Hexadecimal to ASCII code Next we need to change the model to B315s-607, the hardware version is changed to WL1B310F04, still through the converter to adjust:
adjust the modified part of the content to modify the hexadecimal, you can get the modified As a result, copy the modified hexadecimal to Notepad for later use.
3. Extract the NVRAM image
4. Write the modified string to the NVRAM image
5. Write back the modified NVRAM image to the device.
After the modification, the final effect: After
3. Extract the NVRAM image
4. Write the modified string to the NVRAM image
5. Write back the modified NVRAM image to the device.
After the modification, the final effect: After
modification, you can see that the device model has been successfully modified to b315s-607, and the hardware version number is changed to WL1B310F04, which is different from the original B315s-22 model information of the device.
It can be seen from the above test that the hardware model information of the device can be modified and has universal adaptability.
It can be seen from the above test that the hardware model information of the device can be modified and has universal adaptability.
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