You can bring your valid ID card, savings card or passbook (if any) and mobile phone to any business outlet in the country, only to the offline counter.
Extended data:
Industrial and commercial credit card activation method:
Log in to ICBC e Life, select "Finance" and activate the credit card according to the page prompts.
1. For online card handling, once the card receiving method is selected, the card must be activated when receiving the card;
2. To handle the card online, if the card is received by mail and the card is the first card of the bank, you need to bring the card and identity certificate to any branch of ICBC where the card is issued to complete the card activation.
References:
China Industrial and Commercial Bank. Method for querying \ modifying mobile phone number