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海信5277板 MT5505平台量产软件

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Post time: 2020-7-29 19:07:14
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本帖最后由 亿通家电 于 2020-9-4 08:25 编辑

对于5277板的MT5505平台,死机,无法升级,刷mboot也刷不进去,用RT809H  飞线EMMC写入量产软件就能搞定,采样机型是LED50K20JD(0001),对于同平台不同机型出现倒屏 花屏,再刷入相应的主程序,然后恢复出厂设置一下基本都能搞定。

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Post time: 2021-2-8 17:29:13
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说备份多好啊,不加密的怎么能叫量产啊?
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Post time: 2020-7-30 08:06:46
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MT5505没加密的,什么量产。
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 Author| Post time: 2020-7-31 10:08:59
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现在发现许多年限多的机器EMMC好像失效了,引导与主程序用官方的方法都写不进去了,就是大家公认的叫寿命终了,但用809H 整体写入量产数据,机器奇迹般的复活了,至于能用多久有待观察,其中我修好的一台两个多月了仍然正常,我觉得能写进去数据要归功于RT809H。
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 Author| Post time: 2020-7-30 12:49:23
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不是加密 机器 ,但对不开机,不能升级的机器,写入就能搞定。
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 Author| Post time: 2020-7-29 19:35:31
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注意:飞线读写EMMC时   ,短接晶振的短路线要求直连,越短越好,线长三到五厘米就经常不成功,体验多次总结出来的。
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Post time: 2020-7-29 20:18:49
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这个也是加密软件吗。有机会试试。
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Post time: 2020-7-29 23:25:49
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Thank you for sharing.
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Post time: 2020-7-30 17:01:24
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支持支持支持支持支持
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Post time: 2020-7-30 18:40:04
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请问楼主 用这个方法刷好几个写不进mboot的5277板?
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 Author| Post time: 2020-7-31 09:43:25
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已经修好过两台,升不了级也无法写引导的。还有师傅说不是高安加密,就不用量产软件,实际量产软件更适不加密机器,只要有块好板就可以复制整体数据过去,但必须主芯片或其他硬件无问题。

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