Yesterday, I needed to back up all my Samsung phone. There is a total of 4 Samsung mobile phones (S21+, S20, Note8, A70) and with TYPE C interface. I found a very strange situation. On one of the TYPE C-USB cable, S20 and Note 8 can connect to the computer and transfer data successfully. But the S21+ and A70 cannot be connected. Although phone detected the cable is a data cable, but it can be charged only. After that, I found another TYPE C-USB cable of the V brand. All Mobile phones can be connected and transferred the data normally. What does this mean? It means that the TYPE-C-USB chip may be incompatible or insufficiently port connected. That is to say, you need buy a high price Data Cable after the original cable is broken. Because you may not be able bought back a data cable from Taobao or shops. 昨天, 我需要把手上的三星手機進行備份。三星手機總共有4部(S21+ , S20, Note8, A70), 全部都是TYPE C接口。發現一個很奇怪的情況, 在TYPE C - USB其中一條線上, S20及Note 8可以成功連上電腦及傳輸數據, 但S21+及A70卻無法連上, 雖然顯示正在使用傳輸線, 但只可充電(一起買其他TYPE C - ...