When the telecom contract number expires, you can change your mobile phone. After the contract expires, you can choose another mobile phone to buy. If you need to use this mobile phone number after the contract expires, you can continue to use it. You can cancel it if you don't want to use it.

Contract type

1, buy a mobile phone and send the phone bill: that is, after purchasing the contract machine of the operator, send a certain amount of phone bill, and the amount of phone bill sent will be refunded monthly according to the contract level selected by the customer! In the way of sending phone bills, some users have no phone bills when giving away phone bills. Generally speaking, the gift part cannot be invoiced, so you will have an invoice for buying a mobile phone, so that after the mobile phone is sold, the user can directly show his mobile phone invoice and find the corresponding manufacturer to repair it.

2. Charge the phone bill to send a mobile phone: customers can get a mobile phone at a low price or for free as long as they pre-store a certain phone bill. The specific mobile phone model and prepaid phone bill amount refer to the contract scheme provided by the corresponding operator selected by the customer! Charge the phone bill, the phone bill has an invoice, that is to say, you will get a phone bill accordingly. Suppose you need to print monthly invoices, you usually go to the operator's business hall for split printing. Obviously, there is no mobile phone invoice in this way. You just need to provide your network access agreement to the manufacturer when you are in maintenance, so the relevant procedures should be kept after attending the activity.