I lost the device or parts (things other than the return envelope, such as Pocket WiFi / Cable etc...) SakuraMobile September 12, 2019 01:13 Updated Follow Please contact us immediately. Related articles How much is the compensation if I lose/break devices. I lost the return envelope. How should I return it? The package I have received is damaged / has missing parts. Do I need to return SIM card upon termination? When monthly fee is charged? Comments 0 comments Please sign in to leave a comment.