China Unicom-Wo, China Telecom-Tianyi and China Mobile -G3, which is better?

Unicom uses WCDMA, which is very mature, with fast network speed and relatively low tariff. Telecom uses CDMA, which is very mature and has a fast network speed. However, due to the high patent cost of developing this technology in Qualcomm, the tariff will not fall in the short term. It's TD, garbage! Answer over