Explore Data SIM, Attraction & Transportation Tickets recommended by Sachi Tours!
Japan COMST 4G 3GB Data SIM
* SMS is not available.* SIM card is not refundable after purchase.
Android:*Must be SIM unlocked & compatible with Australian SIM (Optus, Vodafone etc)
Is Nano size SIM available?
COMST SIM is Nano size. You can use it as Micro or Mini size SIM
with Nano SIM adapter which is included in the package.
How do I activate SIM?
STEP1: Before leaving Australia
1,Activate the SIM by COMST application.
Download the application from https://www.comst.info/en/download.html
STEP2: After arriving in Japan
1,Insert the SIM card
1. Tap [Mobile] or [Cellular] on Setting.
2. Tap [Mobile Data Options] or [Cellular Data Options]
3. Tap [Mobile Data Network] or [Cellular Data Network] and put
the information above
>> If APN setting is not working with this method, please
check FAQ below.
1. Tap [More] and Find [Mobile Network]
2. Tap [Access Point Names]
3. Tap the Menu button and create new APN
4. Select [New APN] from the menu and put the information above
5. Save and select new APN
Frequently Asked Questions:
1. I cannot set up the APN.
The APN setting won’t work without a SIM card. Please
insert a SIM card first, and then set up the APN. iPhone >> Download
online https://www.comst.info/en/download.html Android>> Your APN setting may be wrong.
Please check the setting carefully and choose the created APN.
2. What do I do if my SIM card isn’t working?
Please ensure that: - the APN setting is correct. - SIM card has
been activated and you’ve got an email. - The other settings are also correct:
Mobile network: On Enable 3G(or 4G): On Data Roaming: On If SIM still does not
work, please re-insert SIM and turn on/off airplane mode several times. For
iPhone or iPad, please delete the APN profiling and re-download it.
3. How can I top up data?/ How can I check my data usage?
You can do everything on the app! Please login to your app and
top up your data!!!
4. I cannot use internet after coming back from Japan.
Please set up the default APN setting. The Original APN setting
should be informed on the website of your mobile provider. If you download the
APN online, please remove the profiles.
+81 3 6706 4369 Japanese/English/ Chinese *10am-6pm Mon- Fri
NTA/Sachi Tours draws on 112 years in Japan and 30 years of experience in Australia, over 2,800 trained employees, 286 branches within Japan and 37 group companies throughout the world to offer the utmost satisfaction to you. We promise prompt, efficient, worry free service, supported by our computerized system. Whether you desire total planning or limited assistance during your trip to Japan, we consider you our guest in Japan and extends to you the courtesy we value highly.
NTA/Sachi Tours Level 9, 22 Market Street, Sydney NSW 2000 Australia
Monday — Friday
09:00 AM — 5:30 PM