Unicom voice network age upgrade plan

2G users who have subscribed to 3G traffic packages in 3 yuan, 5 yuan or 1 yuan can apply for the voice network age upgrade plan, and will receive an invitation message after the traffic package is opened, which can be handled according to the prompts in the message.

warm reminder: due to different policies in different cities, the specific situation shall be subject to the Unicom policy of the number attribution.