Complete list of air recharge systems

This is a topic about air recharge system. Over-the-air recharge is a recharge method launched nationwide by China Mobile and other operators. Users can directly recharge their mobile phones by paying at designated recharge providers. It relies on a new mobile phone SIM card dedicated to over-the-air recharge; as long as the owner of the mobile phone enters the relevant password and sends a text message to the mobile company's recharge center, the designated mobile phone number can be recharged.