JioPhone F300B, Manual, Page: 6 / 26

6 End call key / Power key To end calls; long
press to power ON/OFF the phone.
7 Back key It will be always use to go to one level
back from the current state.
8 Browser key Short pressing of this key from
home will launch browser application.
9 Lock / Unlock Key Long pressing of this key
will lock and unlock the phone.
10 SOS / Panic button call
Long press to
initiate Emergency service number “112”.
11 Alt key Input method Allows to type the
Alternate character on a Key. Hitting the Alt key
twice will turn on the NUM lock function and
alternate key functions. Hit Alt to turn off alternate
characters.
12 Audio profile key Long press of [ $ ] from
home screen to toggle between normal/vibrate
audio profile mode.
13 Number Keypad On Home screen, all
numbers 0 to 9, *,# and + keys can be used by
pressing them directly.
14 Left Up Arrow Press this key once and then
hit a letter to get the Upper Case form of that
letter. After typing one letter it will go back to
lower case typing. If you continue to press it
before typing any letter while you type, will give
you captital letter. To turn on CAPS Lock, hit it
twice. Press it again to turn CAPS off.
To change Language Press Alt and up arrow
together to change the input language