---
title: Root Procedure for Huawei MA5671A (flash firmware)
has_children: false
parent: Huawei MA5671A
layout: default
---
<div class="modal" data-jtd-modal="flash-modal" data-jtd-modal-backdrop="static" id="flash-modal">
<div class="modal-content">
<div class="modal-header">
<span class="close">×</span>
<h2>Flash firmware</h2>
</div>
<form id="flash-form" class="p-4" novalidate>
<div class="form-floating mb-3">
<input type="file" class="form-control" placeholder="Flash MTD" name="flash-mtd" id="flash-mtd" required>
<label for="flash-mtd">Flash MTD</label>
</div>
<div class="mb-3 form-check">
<input type="checkbox" class="form-check-input" id="baud-rate-oc" name="baud-rate-oc">
<label class="form-check-label" for="baud-rate-oc">230400 baud rate, do not enable unless told to do so</label>
</div>
<div class="form-check">
<input class="form-check-input" type="radio" name="image" id="image0" value="image0">
<label class="form-check-label" for="image0">
Image 0
</label>
</div>
<div class="form-check">
<input class="form-check-input" type="radio" name="image" id="image1" value="image1">
<label class="form-check-label" for="image1">
Image 1
</label>
</div>
<div class="mb-3">
<input type="submit" class="btn btn-primary" value="Flash!">
</div>
<progress id="flash-progress" value="0" max="100"></progress>
<p id="flash-text-step"></p>
</form>
</div>
</div>
<button id="flash-start-button" class="btn btn-blue" data-jtd-toogle="modal" data-jtd-target="#flash-modal">Start flash!</button>
<script type="text/javascript" src="/assets/js/xymini.js"></script>
<script type="text/javascript" src="/assets/js/rootLantiq.js"></script>
<script type="text/javascript" src="/assets/js/serialUtil.js"></script>
<script>
const acontroller = new AbortController();
const cs = acontroller.signal;
let flashModal = document.getElementById("flash-modal");
let flashForm = document.getElementById("flash-form");
let flashProgress = document.getElementById("flash-progress");
let flashTextStep = document.getElementById("flash-text-step");
flashModal.addEventListener('modal-jtd-close', async function(event) {
acontroller.abort();
});
flashModal.addEventListener('modal-jtd-open', async function(event) {
flash({signal: cs});
});
function initTextStep() {
flashTextStep.textContent = "";
flashTextStep.classList.remove('success');
flashTextStep.classList.remove('error');
}
function pause(message) {
flashTextStep.textContent = message;
}
function loading(message) {
flashTextStep.textContent = message;
}
function showError(message) {
flashTextStep.textContent = message;
flashTextStep.classList.add('error');
flashTextStep.classList.remove('success');
}
function showSuccess(message) {
flashTextStep.textContent = message;
flashTextStep.classList.add('success');
flashTextStep.classList.remove('error');
}
async function flash({ signal } = {}) {
initTextStep();
let port;
try {
port = await navigator.serial.requestPort();
} catch (err) {
showError(`Error: ${err.message}`);
console.log(`Error: ${err.message}\n`);
return;
}
if (!port) {
showError('Error: port not open');
console.log('Error: port not open\n');
return;
}
flashForm.addEventListener('submit', async function(event) {
[...flashForm.elements].map(function(e){return e.parentNode}).forEach(function(e){e.classList.toggle('was-validated', true)});
if (!flashForm.checkValidity()) {
event.preventDefault();
} else {
event.preventDefault();
var fomrdata = new FormData(flashForm);
var file = fomrdata.get('flash-mtd');
var image = fomrdata.get('image');
var data = new Uint8Array(await file.arrayBuffer());
console.log(data);
/* Unlock U-Boot if needed and stop booting */
let result = await lantiqRootUboot(port, "Huawei MA5671A",
(msg) => {
loading(msg);
console.log(msg);
},
(err) => {
showError(err);
console.log(err);
}
);
if (!result) {
return;
}
let baudrate = 115200;
if(fomrdata.has('baud-rate-oc')) {
let newBaudrate = 230400;
loading(`Changing baudrate to: ${newBaudrate}`);
result = await changeBaudrate(port, newBaudrate, baudrate,
(err) => {
showError(err);
console.log(err);
}
);
if (result) {
baudrate = newBaudrate;
} else {
return;
}
}
loading("Start sending image to the SFP...");
result = await sendImageMtd(port, data, baudrate,
(err) => {
showError(err);
console.log(err);
},
(byteTransfered) => {
const perc = (byteTransfered/data.length) * 100;
const percTrunc = Math.trunc(perc*100)/100; /* Two decimal trunc */
flashProgress.value = perc;
loading(`Image transfer: ${percTrunc}% complete`)
}
);
if (!result) {
return;
}
result = await waitEndImageLoad(port, baudrate,
(err) => {
showError(err);
console.log(err);
}
);
if (!result) {
return;
}
if(fomrdata.has('baud-rate-oc')) {
let newBaudrate = 115200;
loading(`Restore baudrate to: ${newBaudrate}`);
result = await changeBaudrate(port, newBaudrate, baudrate,
(err) => {
showError(err);
console.log(err);
}
);
if (result) {
baudrate = newBaudrate;
} else {
return;
}
}
loading("Transfer complete, image flash in progress. DO NOT REMOVE the SFP!");
result = await flashImageMtd(port, image, baudrate,
(err) => {
showError(err);
console.log(err);
}
);
if (result) {
showSuccess("Flash completed, now you can remove SFP");
}
}
});
};
</script>
