Estalky E550 - Advanced Device Settings and Functions; Cellular Data Connection Management; Flashlight and Battery Status; Language, Reset, and System Info

Cellular data connecon
Go to Sengs > Cellular data. Click to enable / disable cellular data connecon.
Flashlight
G to Sengs > Flashlight. Click to turn on / o the ashlight or press the program-
mable buon and the volume down key (-) at the same me to turn on / o.
Baery percentage
Go to Sengs > Baery percentage. Click to show / hide baery percentage on
screen.
Language
Go to Sengs > Language. Turn, select and click on the desired language.
Factory reset
Go to Sengs > Reset. To the queson Are you sure about recovery? turn to select
Yes or No to return or not to the factory sengs.
System informaon
Go to Sengs > About. Displays the device, SIM card informaon including opera-
ng system version, IMEI code, baery percentage, SIM name, SIM type.
System update
Go to Sengs > System update. Click to check for updates.
Push-to-talk applicaon
Go to the PTT item, click to enter in the PTT applicaon interface. Switch between
dierent groups to execute an instant communicaon.