How to check that carrier services are silently ‘burning’ user money
Besides granting permission to send SMS to bad apps, some ‘underground’ carrier services can also cause user accounts to be deducted for no reason.
Therefore, if you encounter a situation of being deducted for unknown reasons, try to check the “underground” services by writing a message with the following syntax:
For network subscribers MobiFone: message KT send 994;
For network subscribers Viettel: message TC send 1228;
For network subscribers VinaPhone: message TK send 123.
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Some carrier services “don’t know when to register” silently “burn” users’ money display |
After that, the switchboard will return a message informing that the services are being registered on your subscriber number, along with the price and the message syntax to cancel the respective services.
If strange service is detected, unsubscribe according to the provided syntax.
In addition to the carrier’s services, readers also need to check the granting of permissions for applications, because some applications can also take advantage of granted permissions to sneak SMS or make calls and cost users money. friend.
at Blogtuan.info – Source: thanhnien.vn – Read the original article here
