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关于插上usb4G棒数据量大的时候出现usb死掉



 我们加入如图几个TI官网补丁后,中兴的usb棒就会出现,在数据量较大时,usb会挂掉,但是华为的4G棒正常的,我们已经确定电源没问题,挂掉后,此时插拔模块,不能再次识别。