HTC 7 Trophy

Remove the back cover

Turn the back of your phone towards you.
Take hold of the top of the back cover and remove it.

Remove the battery

Take hold of the the top of the battery and remove it.

Insert the battery

Wait for 10-15 seconds.
Place the battery in your phone (bottom first), matching the battery contacts with the phone contacts.
Press the battery into place.

Replace the back cover

Place the back cover on your phone (bottom first), matching the back cover teeth with the slots in your phone.
Press the back cover into place.