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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1">
<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/burnsys/usb.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">USB 线</h1>
<div class="date inPage">16 May 2025</div><div style="color: gray;"></div>
<div class="- topic/body body">
<p class="- topic/p p" data-ofbid="d30392e28__20250519091504">使用
USB
线可以实现下列系统更新方式:</p>
<section class="- topic/section section" id="id__section_spc_y2q_wcc" data-ofbid="id__section_spc_y2q_wcc"><h2 class="- topic/title title sectiontitle">刷机</h2>
<p class="- topic/p p" data-ofbid="d30392e36__20250519091504">使用 USB 线时,可借助 AiBurn 工具进行刷机操作,详细信息请参考<span class="- topic/xref xref"></span></p>
</section>
<section class="- topic/section section" id="id__section_rrr_j1q_wcc" data-ofbid="id__section_rrr_j1q_wcc"><h2 class="- topic/title title sectiontitle">升级</h2>
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<li class="- topic/li li" data-ofbid="d30392e50__20250519091504">
<div class="- topic/p p" data-ofbid="d30392e52__20250519091504">借助 USB 线,执行下列命令,通过 ADB
方式将需要升级的固件推送到内部存储中:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_usj_k1z_qdc" data-ofbid="id__codeblock_usj_k1z_qdc">adb push dxx_demoxxx_nand_page_<span class="hl-number">2</span>k_block_<span class="hl-number">128</span>k_v1.<span class="hl-number">0.0</span>.img /mnt/</pre></div>
<p class="- topic/p p" data-ofbid="d30392e57__20250519091504">ADB 是 Android 手机流行后的一个较为通用的 USB 通信方式。</p>
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<p class="- topic/p p" data-ofbid="d30392e63__20250519091504">调用 OTA 的升级逻辑完成系统升级。</p>
<p class="- topic/p p" data-ofbid="d30392e66__20250519091504">关于 OTA 升级逻辑的详细使用说明,参考 <a class="- topic/xref xref" href="../ota/ota_guide.html">OTA 方案</a></p>
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