I need to go through each word逐一替换，确保没有遗漏。注意一些连词和介词可能不需要替换，比如"that", "by", "and", "to", 但用户可能希望替换所有内容，所以需要确认。不过根据用户指示，所有单词都要替换，所以必须包括所有。比如"that"可以替换为which, "can"变成could。不过有些情况下可能没有合适的替代词，这时候可能需要保持原词，但用户可能不希望这样，所以需要想尽办法找三个选项，即使不太合适。
I need to ensure that each term is replaced with three alternatives and that only non-proper nouns are changed. Let me check again. The proper nouns are Huawei, EC6108V9 STB, FAT32, USB Drive (wait, is USB Drive a proper noun? Probably not, it's a generic term. Hmm. The user said proper nouns stay, but USB Drive isn't a proper noun here. So need to replace it. So in the step "Insert a USB Drive", "USB Drive" can be spinned. Same with "Format the USB Drive". Huawei Stb Ec6108v9 Firmware Update
"USB drive" is already covered.
"Go" → Proceed, "to" → to, "Settings" → Controls, etc. USB Drive (wait