Does this card allow roaming on China Unicom's data network in mainland China? I will bring a European phone that cannot use the 3G/4G networks of other Chinese providers.
YES. This SIM works both China Mainland and Hong Kong.
Do I have to pay $22.99 each month for this SIM card? I will live in Henan province for 10 months
Yes, this is an 30 days data SIM. You need pay $22.99 every month if you will live in Henan for months.
does the 365 days sim cost $64 a month or a year
it cost $64 a year.
How do I add credit to the SIM Card? I want to use the card for 2 months (in both China and Hong Kong)
We can help extending for another 30 days after you buy top up credit.
I am travelling to Beijing in August. Need a SIM card with access to google and whatsapp mainly. Is this the best card? Is the activation straight forward? How long it takes the delivery to Portugal? Thanks
YES. This is the best for your trip, it will automatically activated once inserted into your phone. It takes 10-15 days for delivery to Portugal, but only need 3 days for delivery to China and Hong Kong (hotel address acceptable).
I am going to Guilin region for 10 days. Need a data package SIM card mainly to do some internet surfing, Whatsapp messaging. I don't watch video or things like that.
What SIM card do you recommend?
the SIM is best for you ,you can use it to access WhatsAPP, google, Facebook and any Apps like home:
CHINA, HONG KONG & MACAU DATA PREPAID SIM -2GB/30DAYS
Will this sim card give me coverage in Shanghai, beijing, Wuxi, Suzhou and Hangzhou?
YES. This data SIM covers all around China including Shanghai, Beijing, Wuxi, Suzhou and Hangzhou.