A check list when you cancel the cellular phone service

• After returning the equipment, keep the confirmation(high-speed Internet, IPTV, satellite broadcasting, cable broadcasting)
  It must be stored until the business operator recovers the equipment, and after returning the equipment, it must receive a confirmation letter and store it

Keep the documentary evidence related to termination

• Keeping records of evidence, etc. in case of hash in preparation for damage caused by omission of termination
  (Certificate of termination, proof of registration, etc)

In the case where a penalty (discount refund) occurs

Mobile phone	Highspeed internet (IPTV, satellite TV, cable TV)
In the case of receiving a terminal subsidy (subsidy) If you get a discount on your choice charge If the third party's number is moved before the contract period expires	In the case where the business operator supports equipment rent If you receive a prize (less than 12 months) Reasons attributable to users, such as termination before the expiration of the contract period