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---
title: Huawei Rooted Firmware for Huawei MA5671A
has_children: false
parent: Huawei MA5671A
layout: default
---
# General Settings and Useful Commands
{% include alert.html content="In this firmware, unlike the other ones, the data must be modified in a base64-encoded file. To simplify this, you can use the following web application." alert="Info" icon="svg-info" color="blue" %}
## Web procedure
1. Get `fw_printenv sfp_a2_info` and paste into the form
<div id="app">
<vue-lantiq-eeprom type='eeprom-rooted-edit'></vue-lantiq-eeprom>
</div>
<script src="https://unpkg.com/vue@latest"></script>
<script src="https://cdn.jsdelivr.net/npm/vue3-sfc-loader"></script>
<script src="/assets/js/vue-eeprom.js"></script>
{% include alert.html content="Executing these commands requires a minimum of familiarity with `vim`. If you do not know `vim`, follow the commands precisely." alert="Danger" icon="svg-warning" color="red" %}
{:style="counter-reset:none"}
1. Copy the script's output to the clipboard
1. Run the comman `vim /tmp/sfp_a2.txt` in the stick
1. Press the right mouse button in the terminal or `CTRL`+`V`
1. Press `ESC` command from keyboard
1. Type `:wq`
1. Run:
```shell
fw_setenv sfp_a2_info ($cat /tmp/sfp_a2.txt)
```
## Temporary file procedure
1. Save `sfp_a2_info` in a temporary file
```shell
fw_printenv sfp_a2_info | sed "s/^sfp_a2_info=//" > /tmp/sfp_a2.txt
```
And print a pretty version:
```shell
fw_printenv sfp_a2_info | sed "s/^sfp_a2_info=//" | tr '@' '\n'
```
2. Setting S/N
The S/N is stored on the 6th line, for example `4857544311223344` (where `48575443` is the HEX encoding of `HWTC`):
```
AAAAAAAAAAJIV1RDESIzRP///////////////////wAAAAAAAAAAAAAAAAAA
00000000000000024857544311223344ffffffffffffffffffffffffffffff0000000000000000000000000000
```
The entire S/N, including the PON ID, is encoded first in hexadecimal and then in base64
3. Setting PLOAM Password
The PLOAM Password is stored on the 5th line, for example (`1234567890`):
```
ffffffffffffffff00021437d77db7df7e37e77eb7ef7f37f77d00000000000000000000000000000000000000
//////////8AAhQ31323334353637383930AAAAAAAAAAAAAAAAAAAAAAAAA
```
The entire PLOAM, is encoded first in hexadecimal and then in base64
4. Setting MAC Address
The MAC Address is stored on the 9th line, for example (`48:57:02:da:be:ef`):
```
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAASFcC2r7vAAAAAAAAAAAAAAAAAAAA
000000000000000000000000000000000000000000000000485702dabeef000000000000000000000000000000
```
5. Transfer the modified file back into variable `sfp_a2_info`
```shell
fw_setenv sfp_a2_info $(cat /tmp/sfp_a2.txt)
```
## Reviewing and testing
After rebooting, check whether the new variables have been saved correctly:
```shell
fw_printenv nPassword
fw_printenv gSerial
fw_printenv ethaddr
```
## Checking whether the connection with the OLT was successful (O5 state)
```shell
onu ploamsg
```
# Disabling dying gasp
```shell
fw_setenv nDyingGaspEnable 0
```
# Miscellaneous Links
- [Edit sfp_a2_info file](https://forum.openwrt.org/t/support-ma5671a-sfp-gpon/48042/25)
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