NTT docomo Arrows Me F-11D Instruction Manual page 28

b With the arrow printed side of the battery pack label
facing up, align the metal contacts of the battery pack
with those of the terminal, insert in the direction of the
a to attach in the direction of b
c Check the orientation of the back cover, and attach it
fitting to the terminal
d Fit the tabs on the reverse side of the back cover with
the grooves on the terminal, press firmly
･
Check if there are no gaps at all in order to maintain
waterproofness, and attach securely.
* Waterproofness→P18
b
a
to close
■ Removing
a Perform Step a in Attaching the battery pack
b Put your fingernail into the removing part of the
battery pack and lift the battery pack in the direction of
arrow to remove
26
Removing part
Before using the terminal