如何確認iPhone等級？由於製造的代工廠不同，品質也會略有差異。在設定畫面中選擇「一般」，進入後點擊「關於本機」。這時查看序號的第一個字母，H開頭表示越南生產，C開頭為深圳富士康生產，被視為質量最好；F則代表鄭州富士康生產，品質排名第二；D是成都富士康生產，品質排行第三；GO開頭為上海和碩生產，品質排名第四。

How to determine the grade of an iPhone? Due to differences in manufacturing facilities, the quality may vary. Navigate to "Settings," choose "General," and enter "About." Check the first letter of the serial number at this point. An H at the beginning indicates production in Vietnam, C stands for Shenzhen Foxconn, considered the highest quality. F represents production in Zhengzhou Foxconn, ranking second in quality. D is for Chengdu Foxconn, ranking third in quality. GO at the beginning signifies production by Shanghai and Pegatron, ranking fourth in quality.

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