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🚀 Stay Connected, Stay Ahead – China’s 5G Power in Your Pocket!
The China Unicom 5G SIM card offers 20GB of high-speed data, 300 minutes of domestic talk, and 300 texts valid for 30 days, designed exclusively for Mainland China use. It requires passport verification for activation per government regulations and supports major 5G/4G bands, delivering reliable connectivity for travelers and professionals seeking seamless communication on the go.












| ASIN | B09G12QFKM |
| Best Sellers Rank | #22,442 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #44 in Cell Phone SIM Cards |
| Brand | 3G SOLUTIONS |
| Cellular Technology | 5G |
| Customer Reviews | 4.3 out of 5 stars 227 Reviews |
| Item Dimensions L x W | 1.97"L x 1.18"W |
| Manufacturer | China Unicom |
| Mfr Part Number | 20GB 30Days |
| Model Number | 20GB 30Days |
| Number of Items | 1 |
| Product Dimensions | 1.97"L x 1.18"W |
| Service Provider | China Unicom |
| UPC | 754194108157 |
| Warranty Description | replacement |
S**S
Go 3G Solutions!
This sim card I got from 3g solutions was a lifesaver for my big trip to China! You all know that from the health code to many other tracking systems in China, you will need a valid Chinese phone number to get around. However, to get a China sim card, you will have to send in a photocopy of your passport to a sim card vendor. So with that, I was trying to find a trustworthy sim card seller online. I chose 3G Solutions because I saw a couple of Expat Bloggers recommended their products. But in the end, what impressed me the most was not their awesome products but their excellent customer service. To begin with, the trip to China was a big headache for me because the tight quarantine rules and internet control could disrupt my communication with my US office. So I got two VPN routers, my AT&T roaming plan, and the 3G Solutions 20GM data sim card for the trip to ensure my continuous business communication with the US. The first thing I did when I got checked into my tiny quarantine room in Xiamen was to set up my internet connection with two VPN routers, but both failed. Then I tried my iPhone hotspot with my us roaming data and the sim card, but both failed again to show up in my wifi connection. I was like, wow, no wonder they call it the golden shield. I was desperate and frustrated, but I couldn't really do anything since I was locked up. Then I called 3G solution's shanghai office before I went crazy. I was lucky enough to get to talk to Mark. He helped me and tried different wifi settings through WeChat, patiently. Finally, both of my iPhone hotspots worked, and the data plan I got from 3G Solution supported my data connection with the home office for the entire trip to China. I also purchased the wifi rental from 3G Solutions for my backup. But Mark suggested I should cancel this order since I really didn't need it and refunded my money later. With all this, I need to say that Mark and 3Gsoultion truly went above and beyond to help their customers. And I felt very thankful I made the phone call to 3G Solutions and Mark. Otherwise, I had to fly back to the US right after the Xiamen quarantine. I will definitely buy this card again for my next trip to China!
A**R
Real chinese sim, works everywhere in china.
I've used these Sims 3 years in a row and had 0 issues keeping connected in china. Follow their simple instructions, when you land in mainland china, put them.in your phone or already have them in and they just work.
R**A
Fantastic support - easy to use - follow the directions and be happy!
Update: January, 2026: I have just completed my second trip to China in two years and it could not have been as enjoyable without my China Unicom Sim Card. Like the last time (in 2024), setting up the card was easy, the support team responded quickly and effectively to my questions, and from the time my plane landed in Beijing I was able to use my translator apps and e-mail. Don't leave for China without it - and make sure to follow the directions to set it up before you start your trip! Review from 2024: This SIM has, by far, been the easiest part of my China Trip! My wife was so surprised when I messaged her before the plane arrived at the gate! I have used this now in 10 different cities here and on two high-speed train trips and it worked perfectly. The SIM worked so well that I purchased 3G Solutions VPN service after arrived. I highly recommend this SIM and company. Follow the directions to register your SIM before you leave for China. Enjoy!
S**N
will buy it again
Used it a couple of times. It worked well. I will buy it again.
S**.
Excellent customer service, Great product
excellent customer service, provides instantaneous response and helps me do a quick installation of SIM. It allows me to make phone calls and send text messages in China - a unique benefit that other SIM/eSIM do not offer. Very happy with my purchase.
B**I
Do not believe this company
I added 20 dollars international roaming, but I cannot use it at all. It is frustrating and they may not refund. They put all responsibilities to costumers, blaming it is because other countries block their numbers rather than find the reasons to enhance their service!
K**R
Great and Terribke
I'm updating my review after a second trip to China. I have a love/hate relationship to this card/company. Once you get it working it's fantastic. But I have never been able to get it to work right away. And that's a major stressor because if it doesn't work at the airport, you will have no money and no transportation and no way to contact the company. If the airport information desk has a nice person they will call the company for you and get it working, but if not, you have to rely on the kindness of strangers. Even a stranger, on this trip, could not get an answer from the company when our delayed flight touched down at 11 pm. He was nice enough to take me in his taxi to my hotel, where I did get it working. I acknowledge that part of the problem was my phone, which I had set on "private DNS server" and that was creating a problem. If I could ever get this card working on my own at the airport,I would give it five stars. Previous review: This card worked fine for me during three weeks in China, but there were some confusing aspects about it for me because there are different functions it handles (Internet access, texts, calls, email) and so different reload options and setup requirements (for email, since Google doesn't work). In the end I got by fine without a VPN but they offer that too. (I used Baidu Translate and Amap/GaoDe.) But I can read characters -- somewhat. I sorely missed Google Translate because Chinese displays are so tiny and full of ads, though. Customer service got back to me quickly about everything. Card didn't boot up smoothly at the airport but I may have forgotten to turn off my phone when I switched cards. Anyway, someone at the airport helped me get online and away I went. Probably worth it to set up an account when you buy the card so you can keep track of your usage.
L**Z
Works in China but not for Google pixel
I bought two sim cards and installed on an iPhone 11 and a pixel 8 for use in China from March 13 to April 7, 2025. One sim had a label saying that it must be activated by a date that's already passed. I emailed the seller who said that it will still work and to disregard. It did work, a long with the VPN I bought from the seller. There were issues. One phone number was associated with an account that has a outstanding payment due so initially I wasn't able to order Didi or fod delivery. I emailed the seller and they immediately paid off the debt so I was able to use those functions, although I continued to get robo calls and texts for the outstanding balance. The other number initially worked on the first couple of days, then the phone and text functions stopped working (data continued to work.). I notified the seller and they said that it was a common issue with pixel phones. They offered me $5 credit and immediately send me the money by WeChat. I like that it works and how responsive the seller was, but took off a star for these issues. I used their VPN on the iPhone and another VPN (mullvad) on the Google phone. Both VPN worked fine.
D**Z
Excelente producto
Excelente producto 😀 aterrizando en China ya tenía datos y nunca perdí la señal (recorrí 7 ciudades) La activación fue muy fácil.
A**K
Recycled SIM card- do not buy
This is a scam- the SIM card I bought was still in another person’s name , as a result I was not able to connect to my Alipay and WeChat, thus was without money for 3 days in a foreign country!I went to China Unicom to make inquiries and was told that 3 G bought the recycled SIM card in bulk ( thus still have previous person detail), thus I couldn’t connect my Alipay . They said I have been scammed!
F**L
Excelente Servicio
Fue de bastante ayuda en mi viaje por China. Les recomiendo Comprar con ellos mismos la VPN, ya que la compré por separado de otra marca y prácticamente no funcionó. Una vez que compré con ellos su VPN, la comunicación fue excelente (Incluso en los pueblos alejados de las ciudades). Muchas Gracias.
A**A
Ojo
Recibí un paquetito donde se ven adaptadores de SIM card y pensé que no me dieron la SIM CARD con datos ya estaba cancelando el pedido, pero busque bien y la SIM está como escondida en el paquetito debajo de una calcamonia con instrucciones de activación. A ver qué tal ya que este allá en China, les estaré informando.
R**.
Data segura en viajes a China.
Muy buen producto, excelente SIM card y muy buen VPN (costo extra), el único inconveniente fue que la señal bajó de intensidad durante mis viajes en el Tren Bala y que el VPN alenta algunas aplicaciones, fuera de eso es bastante recomendable .
Trustpilot
2 weeks ago
1 week ago