Please note that:
If you are currently using a 32K SIM card, you will need to change it to a USIM (64K) in order to enjoy Celcom 4G LTE access. To get a new USIM card, visit a selected Blue Cube or Celcom Centre to upgrade for free. (Applicable to Prepaid customers)
You may also need to check whether your area has 4G LTE coverage.
Depending on the plan you have subscribed to, you may have utilised 100% of your data. You can check your quota balance via:
You may need to perform basic troubleshooting. Please refer to the following steps:
You may personally block the number through your device. The steps will be different depending on your device. Please refer to the steps below: