I lost the device or parts (things other than the return envelope, such as Pocket WiFi / Cable etc...) Kana/Hiromi November 13, 2019 07:01 Updated Follow Please contact us immediately. Related articles I lost the return envelope. How should I return it? How much is the compensation if I lose/break devices. The package I have received is damaged / has missing parts. Do I need to return SIM card upon termination? If I forgot to return the devices before leaving Japan, what should I do? Comments 0 comments Please sign in to leave a comment.