Should I Charge My New Phone Before Using It. With lithium ion batteries theres no need to fully charge them before use drain them completely or any of the things one needed to do with older types of batteries. You Should Not Charge Your Phone Overnight.

Lithium Polymer batteries dont need to be charged before the first use because if the manufacturer that sold you your phone isnt stupid they will probably already be charged to about 60-70. To decrease their aging they are intended to be stored at 40 charge. So with all that in consideration you should be able to turn the phone on and use it because it is likely it was recently charged.
To do it right charge your new iPhone for at least 3 hours before using it for the first time.
Nowadays most modern phones use Lithium Polymer Li-Po batteries. The claim we need to charge our gadgets for 8 hours for the first charge was true once upon a time. This is simply a myth. These days you can charge your new or old smartphone and laptop for however long you want.

