You can't use a Pakistani SIM card directly in the UK.
Here's why:
- Different Mobile Networks: Pakistan and the UK have different mobile networks with incompatible frequencies.
- Roaming Charges: Using a Pakistani SIM in the UK would incur high roaming charges.
To use your phone in the UK, you have several options:
- Buy a UK SIM Card: The most common and cost-effective solution is to buy a UK SIM card from a network provider like Vodafone, EE, or O2.
- Use a Travel SIM: These SIM cards are specifically designed for international travelers and offer data and calling plans at lower rates than roaming charges.
- Enable International Roaming: If you need to use your Pakistani SIM for a short period, you can enable international roaming on your account. However, this will incur high charges.
Remember to check your phone's compatibility with UK networks before purchasing a SIM card.