54.10 Cell Lock

The Cell Lock function spans both GSM, WCDMA and LTE. It encompasses locking on cells as well as on channels/carriers.
The function generally has an effect in idle as well as dedicated (connected) mode. In other words, it can be used to control both cell selection and handover behavior. An exception is described in section "Sony Xperia V LT25i, Xperia T LT30a".
Note that if the device is on a different RAT, you must also apply the appropriate RAT lock in order for the cell lock to take effect. This is further discussed in section .
If you attempt to lock a device on cells/channels/carriers that it does not support, the following will happen:

In GSM and WCDMA, the device will go into no service mode.

In LTE, the application of the control function will fail, thus not affecting the device's behavior.