Get Started 4Install the BatteryFollow these instructions for installing the battery.■ Insert the battery, aligning the gold contacts on the battery with the gold contacts on the phone,and gently press the battery into place.Replace the Back CoverFollow these instructions for replacing the back cover.■ Replace the battery compartment cover, making sure all the tabs are secure and there are nogaps around the cover.Important: Before closing the cover, check to see if there is any foreign substance such as dust or sandbetween the rubber on the back of the cover and the sealing area.Note: Water-resistant and dustproof based on IP67 rating, which tests submersion up to 1 meter for up to30 minutes. Not shockproof. Covers must be tightly closed.