How To Return your Pocket WiFi in Japan – The return procedure for rental services is the same

You are considering renting a pocket wifi device online but the process of returning a pocket wifi in Japan has got you questioning whether or not.
However returning a pocket wifi in Japan is very easy. Most online rental services offer a return method; you can return from anywhere in Japan. If you rent at an airport counter, you may have to return your rental at the same location. Most services can be returned from anywhere in Japan, and I would like to show you how to do so here.

Return process

Most of rental provides you with a prepaid return envelope. Since the return envelope they provide is prepaid, there’s no worrying about return costs. Rental services that provide return envelopes will use the same return method. The return envelope may vary from service to service, but the method is the same.
Returning Pocket WIFI is very easy.

  1. Put the pocket wifi into the prepaid envelope*
  2. Find a red post box
  3. Drop it

1.Put the pocket wifi into the prepaid envelope

All you need to do is put all items(devices, AC adapters, cables, etc.) into your prepaid envelope.

Pocket WiFi unit, Charging Cable and AC adapter

Return Envelope
The image is LetterPack. Many rental services will provide the above letterpack. Some services have their own return envelopes, but the return procedure is the same.

2.Find a red post box

Once you have thrown all the rental items into the return envelope the next step is locating one of the red post boxes that are everywhere in Japan.
There are many post box everywhere in Japan!
(There are some post boxes and post offices in major airports in Japan.
*Note: Please make sure to drop-off your return package before proceeding to security check.)

3.Drop the return envelope

dropping the return envelope into a post box in Japan. Now you have returned the Pocket WiFi unit. Super simple right!

Return Instruction:

1. Make sure all rental items are places inside the prepaid return envelope.

2. Seal and post the return envelope into any post box around Japan.

Notes on Returns

There are also a few things to keep in mind when returning your pocket Wi-Fi. These are common to all companies, so please make sure you understand them.

Return at the airport

There are no postboxes after the security gate at the airport. Please make sure to send it out before going though the security gate.

If you lose the return envelope

If you have lost the return envelope, Please contact the rental company.

Incidentally, the following two services provide instructions on their Web sites for lost return envelopes, and those instructions are common and very simple.

Reference pages
LightPocket : If you lose the return envelope
GAC : Rental FAQ
Excerpt from LightPocket Lost Return Envelope

If you lose the return envelope

Please prepare an envelope, pay the postage and send all the rental items directly to our office address shown on the bottom of this page. Note that we will not reimburse you for the return postage.Please go to any Japan Post Office or Lawson convenience store and get a (Letter Pack Lite), which costs 370 yen.

If you rent a pocket Wi-Fi using an online service in Japan, you return it in much the same way.
It is very easy. Japanese people use the same method.
Some services have special requirements, such as requiring return at the airport counter, but if you inquire, they may accept your return in the same way as if you had lost the return envelope described above.