Signature has nothing to do with receipt. You can check it if it hasn't arrived. As long as you can print out the credit card receipt, you will definitely arrive. But if there is no signature, the person who swiped the card will turn around and say that he didn't swipe the card at your place, so that the complaint can be successful.

Unicom mobile phone pos function:

Kaka transfer

POS collection

1 The daily consumption limit of the credit card is 2000 yuan, and the total credit limit is the amount given to the credit card by the relevant bank.

credit card repayment

balance inquiry

Cash withdrawal

Recharge of mobile phone charges

Free mobile phone

The cost of utilities such as gas, water and electricity.