一旦开始安装，先前的ROM将无法恢复。在安装过程中以及安装完毕后如果发生问题，可能需要将此设备送至O2客服中心进行维修。
Once being installed, previous ROM cannot be restored. Should problems happen during or after the installation, the device may require servicing in O2 service centres.
和DNA测序一样，光纤系统安装完毕后，在设备完好的情况下可以几个月持续性传输数据，但是最大的缺点是成本高。
Like DNA sequencing, fiber-optic systems provide data for months after installation, if the fiber remains intact, but their biggest downside is cost.
和DNA测序一样，光纤系统安装完毕后，在设备完好的情况下可以几个月持续性传输数据，但是最大的缺点是成本高。
Like DNA sequencing, fiber-optic systems provide data for months after installation, if the fiber remains intact, but their biggest downside is cost.
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