How long does the top up takes of China Unicom?
Your mobile number will be instantly credited if you top-up your China Unicom sim card via TNG Wallet. As soon as the top-up request has been submitted, the credited mobile number will receive a confirmation SMS.
If you have any other questions, please contact the corresponding network operator at +852 2122-1188.
Last updated 10:18:43 AM 14/07/2018 HKT