Yes. Then all you do is contact your provider and register the phone.
No - there's no need to initialize it. Simply insert it in the handset for it to work.
The number is stored on the SIM card - NOT the handset. Simply take the SIM card from the damaged phone - and insert it into a 'healthy' handset.
Provided the handset is not locked to a network then yes.
Insert it in the computer with the SD card. then format your card.
to oversimplify - IMSI does not apply to a handset, it's a property of SIM card
No - although the handset will turn on if charged, you cannot make or receive calls, texts etc without a working SIM card.
for aircel network For `Blocked SIM Card': You need to visit at our Aircel Store, where a fresh SIM card would be provided to you with the number being same. For `SIM Card Rejected': This may happen because of dust on the chip of the SIM card, please clean the same once & reinsert the SIM in your handset and try. If still problem persists, then you need to visit at our Aircel Store, where a fresh SIM card would be provided to you with the number being same. For `Check Operator Service' : The message shall appear only on occasions when You have restricted `Caller ID display' option from your handset while this service ( CLIR) has not been activated for you. In such case ' Please access the call settings options of your mobile & activate / enable `Send Caller ID' option. Please note that the name of option may vary based on your handset model You have mistakenly selected `LINE 2' on your handset. In such case ' please access the call settings and change `LINE 2' to `LINE 1'
A card insert is the same as a reprint card.
HOTSWAPPING
It depends on whether the handset operates in the same frequency band as the UK. You would have to check the specifications. If they do - then its simply a case of unlocking the handset and inserting the new SIM card. If not - you'll need a new handset.
Assuming the phone came without a SIM card... Obtain a PAYG SIM from your chosen network (there might be a nominal fee). Insert it into the phone - switch on, and the handset will initialise the SIM. Finally - credit your account with some funds... ad you're all set.
No - you have to either swipe or insert the card. You can, however, use the numbers as a "credit card" for an online purchase.