How to insert the card for Tianyi old man-machine

< strong > the card insertion method of tianyi old man-machine is as follows.

1. Take out the old man's mobile phone and mobile phone card first.

2. Then remove the phone case from the back of the old phone.

3. Take out the battery again.

4. Then the copper core of the mobile phone card faces down.

5. Then insert.

6. Finally, put the battery and mobile phone case back.

Tianyi (English: esurfing) is a personal mobile communication brand based on CDMA2000 launched by China Telecom Group Company under the background of full-service operation after taking over the CDMA network of China Unicom. Tianyi made up for the deficiency of China Telecom's original personal business, and became the customer brand of China Telecom's unified communication service for individuals, families and enterprises together with Tianyi Fei Young, Tianyi E-home and Tianyi Pilot.