China Unicom Data SIM Instructions

+1 310 862-7100

Please be sure to read these instructions before you leave!

WARNING: This SIM Card does not make or receive calls. It is a broadband data SIM Card for data sessions only.


You must activate before departing!

Email the date you want your 30 day data plan to begin!

Setting up your China Data SIM Card

Your SIM chip is in the little envelope attached to these instructions.

  • Insert the SIM chip into your phone - typically the SIM bay is found underneath or above the battery on most Samsung phones. iPhone and iPad users have SIM trays that slide out from the top/side. The metal portion of your SIM chip should be facing the gold metal contact prongs inside your device.

Data Plan Setup

You must set your Access Point Name (APN) to: 3gnet

The APN Name is just for your reference and can be labeled anything.

The Username and password are blank.

How to set an APN:

(iPhone users: You cannot see the APN option until the foreign SIM card is inside. The settings will automatically revert to your current APN when you replace your US SIM Card)

iPhone 5, 6 - Settings>Cellular>set Cellular Data to on>go into Cellular Data Options> set Data Roaming to on> go into Cellular Data Network> set APN

iPhone 4 - Settings>Cellular>set Cellular Data to on>set enable 3G to on>set Data Roaming to on> go into Cellular Data Network> set APN

Android 1.6 / 2.1 / 2.2 / 2.3
From the Home screen Menu > Settings > Wireless & networks > Mobile Networks > Access Point Names (APNs) > Menu key (or three-vertical-dot icon) > Create new APN use Menu key again to Save.

Android 4.0 / 4.1 / 4.2/4.4
Settings menu > Wireless & Networks or Network Connections or Connections tab > More settings, More..., or More networks > Mobile networks > Access Point Names > Menu key or (three-vertical-dot icon) > Create new APN use Menu key again to Save.

Android 6.0
From the Settings menu, look under Backup and reset, under Reset > Reset network settings > RESET SETTINGS > If a PIN, Password, or Fingerprint has been enabled, enter it > Tap RESET SETTINGS again > A confirmation message will display when complete > Menu key or (three-vertical-dot icon) > Create new APN use Menu key again to Save.

Additional credit purchases

To get additional credit for your China Unicom SIM Card, you must first use up your initial credit. Additional credit can be purchased directly from Cellular Abroad, but they can only add the credit to your account if your initial credit has been depleted. To get additional data credit, call Cellular Abroad at 1-800-287-5072 or 001-310-862-7100 from overseas.

Customer Support:

  • Cellular Abroad can be reached by chat at 8am to 4pm PST, Monday - Friday with English customer support or by phone at +1-310-862-7100 (not a toll free call). Or via email (7 days a week) at

Service Life

Your data service is good for 30 days from the time it's activated. The SIM card will last an additional 60 days from activation. You can extend the life of the SIM card by plus 6 months for $29 ($58 would extend the SIM life 12 months and so on).

You will find a copy of these instructions on our website at /chinadataSIMop.php

Cellular Abroad is not responsible for typos, misinformation, change of service or menu prompts, lack of coverage or other possibilities that result in a lack of service or otherwise resulting in not being able to make or receive calls. We try to supply the most accurate information possible. Carrier rates, service plans and related information can change without notice. If you find any discrepancies between these instructions and your actual experience with the phone service or if you have useful additional information, we would appreciate any clarifications, suggestions or corrections. Please send your comments to

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