Before inserting the card, make sure that the data flow of the mobile phone has been turned off to avoid loss!!!
*102*123456# Reset the service password. (replace 123456 with your own 6-digit password, please reset it)
*106*02# Turn off the Internet function of data flow. (closed for use in the mainland)
*106*01# Turn on the Internet function of data flow.
*#130# You can query the balance.
Display: China Mobile - China Mobile HK 4G
Maturity time: April 9, 2019 23:59
Mainland calls mainland and port 1.9 answers 1.9 mainland calls other countries 15