As long as your phone is not SIM- or network-locked, then yes, you can switch carriers.If notyou have to get your phone unlocked from any vendors online like unbblock.com for blackberry phones and Simpleunlocking.com for other model phones
No
Yes you can, but only if the new phone is not "network locked" or is locked in the same network that provided you the SIM card. Also, the new phone has to be compatible with the networks used by your provider, most important to use the same frequency bands, but also other services as internet access, mobile banking and so on.
can you reuse a nickel?
"The 3 Rs" are most commonly referred to as "readin', writin', and 'rithmatic".
Reuse is a verb (to use something again) and a noun (in a state of reuse).
If it's a postpaid phone (i.e. you receive a bill at the end of the month), yes. In that case, the phone number is tied to an account, not a particular phone. In the case of prepaid, you might or might not be able to retain your number. It depends on the provider.
The correct spelling is 'reuse'.
cycle
Have you recently upgraded your cell phone? There are a myriad of ways your former phone can be put to use. Consider selling the phone; if it is broken, you could even sell it for parts. You can also donate your used phone to a soldier or to the 911 Cell Phone Bank. Or simply recycle your phone--keep its materials from damaging the environment by placing it in the proper recycling bin.
Tagalog word of REUSE: gamitin uli
"Reuse" is one word.
The root word for "reuse" is "use."