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Public Cellular Blocking Service

In some very exceptional cases, for instance those involving cloned/duplicate IMEIs or under the instructions of law enforcement authorities; PCBS may choose not to block a mobile device even though it is reported as having been lost or stolen.

  • Immediately report it to us to first block the SIM card and request for the mobile phone to be blocked.
  • If a crime is involved, please make a police report without delay and ensure that the IMEI number is included in the police report.

Devices that can be blocked are ones that have a valid IMEI and were last used by the registered customer on a U Mobile network.

No, once blocked, a mobile phone will remain blocked until a legitimate unblock request is made.

Once blocked, the device will remain blocked until a legitimate unblock request is made.

  • The PCBS uses the International Mobile Equipment Identity (IMEI) number of the mobile phone to block or unblock lost or stolen mobile phones.
  • To block or unblock the mobile phone, you would need to make a request to us.
  • Upon receiving the request to block or unblock, we take the necessary steps to initiate the blocking or unblocking process.

PCBS stands for Public Cellular Blocking Service, a Government initiative to enable blocking of mobile phones reported lost or stolen in Malaysia.

Such cases may happen due to a number of reasons.

  • The IMEI number can be duplicated on more than one device. This happens with non-type approved mobile phone devices manufactured by small, non-mainstream manufacturers. However, the percentage of such cases worldwide is low in relation to the total number of mobile phone devices in existence.
  • Another user may have registered it as belonging to him by accident.
  • It is registered by a previous owner of a device that has since been sold off or given to somebody else.

SIM Blocking is a service to block the usage/charges to the mobile number, whereas Device Blocking (PCBS) blocks the device from connecting to the mobile networks even when a different U Mobile network SIM is inserted.

Only the registered owner of the device which is on a U Mobile network, prior to the device being lost/stolen, can request to block/unblock the device.