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Telecom: How to activate the 4G card after replacing the 3G mobile phone card with the 4G card?

Users need to activate the card after upgrading from 3G to 4G. At present, there are two activation methods:

Method 1: Online activation. Log on to Huan go website /4g/, at? Self-service upgrade area? Select Online Activation and click? Activate 4G card? Button to jump to the activation card page and follow the prompts to complete the operation.

Method 2: SMS activation. Send text messages with the original 3G card? Jh4g# smart card number? Send to 1000 1. The smart card number is on the back of the 4G card and is a combination of 19 digits or 1 digits.