hello. The "5% discount" of 3G package belongs to the plan of deposit and fee delivery. If you choose the corresponding 3G package and promise to stay online for one or two years, you can get a certain amount of phone charges, which is equivalent to a discount on monthly subscription! Or you can also get a discount on the return of the phone bill by pre-storing the phone bill and sending the phone bill to the mobile phone or purchasing the phone bill to the internet, which is also equivalent to a monthly discount on the package.

China Unicom's "save one and get three" contract plan (one year)