What is the minimum usage period for WiLD SIM? September 15, 2022 07:41 Updated The minimum usage period for our service is until the end of the month following your entrance into the contract. If the contract is cancelled within this period, a cancellation fee of 1,100 yen (tax included) will be charged. Related articles About the FAQ WiLD SIM Data Terms and Conditions How can I make calls to or from a landline phone? About Normal Contract Cancellation Affiliate Reward Payment Cycle by User Referral