Joke Collection Website - Public benefit messages - Why doesn't my Unicom card have service on that mobile phone?

Why doesn't my Unicom card have service on that mobile phone?

When the Unicom mobile phone card is deactivated, the following situations may occur: 1. Insufficient contact between SIM card and metal contact of mobile phone; 2. Whether it is 2. SIM card is damaged; 3. Is the location a signal blind area or there is no signal suddenly. Tips: It is recommended to put the mobile phone card in other mobile phones for testing. If this still happens, it is recommended to take your mobile phone card to the business hall for testing.