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What is the shutdown state of the telecom card?
Account arrears, signal problems, card slot contact problems.
1. Account arrearage: the telecom card account is in arrearage, and the telecom operator will set the card status to power off.
2. Signal problem: the signal coverage in the area is not good, and the telecom card can't connect to the telecom base station normally, which leads to the display of power-off status.
3. Contact problem of the card slot: When the telecom card is inserted into the slot of the mobile phone card, it does not contact the metal plug correctly, resulting in that the mobile phone cannot recognize the information in the card and display the power-off status.
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