Mobile phone card that can't make phone calls but can only send text messages.

It seems that all operators' calling cards can be used; Take your ID card, such as Mobile, and communicate with the 100 business hall, and ask the customer service to help you block the direct function and only keep the SMS. If it doesn't work, then I suggest you go to a mobile phone repair shop and ask the mobile phone repairman to help you remove the' microphone' of your mobile phone, so as to reduce some call charges and the children will not make calls. In fact, the current phone bill is very cheap, such as Unicom, 1 minute as long as 1 dime, but surfing the Internet, the traffic on the Internet is definitely more expensive than the phone bill, because one can't keep playing for an hour or three to five hours, but surfing the Internet can definitely last for 10 hour! Perhaps, you think that the communication fee used by the child is too much, which should be used by him to surf the Internet, which exceeds the included traffic, so this is the case; Solution: 1 Buy an unlimited flow card, just put it on, and tell him clearly that he can only surf the Internet and can't make phone calls. Guangdong's old card, regardless of access points, now sells1600,2000+one card. If it is expensive, buy the 66b package card of Zhejiang Unicom, and 150 costs 500. …………