yes
If the US mobile phone is in international roaming mode, you may be able to dial its normal US number. If the phone has swapped in a UK SIM card, you will need to dial the UK number.
Yes, UK SIM cards can work in Bangladesh if they are unlocked and support international roaming. However, roaming charges can be quite high, so it's advisable to check with your UK provider for rates and availability. Alternatively, purchasing a local Bangladeshi SIM card may be more cost-effective for extended stays. Always ensure your phone is compatible with local networks before traveling.
If the American cellphone has a UK SIM card, you dial the UK number associated with that SIM card. However, if the American cellphone is using international roaming, you need to call its U.S. number.
Yes
If the Dubai mobile has international roaming, it can be called by dialing the UAE number, country code +971. If you want to reach that phone by dialing a UK number, you may be able to swap in a UK SIM card.
Yes, a US SIM card will work in Canada, but roaming charges may apply.
Scotland is in the UK.
Yes. If the British mobile user is using international roaming, you should be able to dial the usual UK mobile number; the roaming user will pay the cost of the international forwarding. However, if the British mobile is using an Australian SIM card, you will need to dial the corresponding Australian mobile number.
Purchasing a SIM card from 02 is not difficult. The SIM card can be pay and go, and allows savings on roaming charges. SIM cards can be purchased at mobile stores.
Question needs more information. Which country and which operator
Mobile phones will automatically activate the roaming feature if necessary. Roaming time used is chargeable above the contracted monthly rates. There is no reason to manually activate roaming.
Wales and Scotland are both part of the UK.