73
Handset Settings
Redmi Note 9T
Changing SIM PIN
First enable SIM PIN to change PIN.
In Home Screen, (Settings) Passwords & security
Privacy
Setup SIM lock
Change SIM PIN Enter current PIN OK Enter
new PIN OK Re-enter new PIN OK
PIN is changed.
Battery & Performance Settings
Check Battery usage and make settings to save battery power.
Battery & Performance Settings
Settable items are the following.
Item Description
XX%
XXh XXm
remaining
Check Battery and time remaining.
Optimize Optimize Battery usage.
Battery saver
Set whether to use battery saver
function.
Ultra battery
saver
Set whether to use ultra battery saver
function.
Battery usage
stats
Show statistics on battery usage.
App battery
saver
Set background activity of applications
individually.
Schedule
power on/off
Set handset to power on or off at a set
time.
Battery Window Operations
Setting Time after Display Off (Screen Lock)
until Mobile Data Discontinues
In Home Screen, (Settings) Battery &
performance Turn off mobile data when
device is locked In 5 minutes / In 10 minutes /
In 30 minutes
Setting Time after Display Off (Screen Lock)
until Cache Clears
In Home Screen, (Settings) Battery &
performance Clear cache when device is
locked In 1 minutes / In 5 minutes / In 10
minutes / In 30 minutes
Setting Whether to Reduce Power Consumption
for 5G Connection under Certain Conditions
In Home Screen, (Settings) Battery &
performance 5G battery saver
・
Tap 5G battery saver to enable ( )/disable ( ).
・If confirmation appears, follow onscreen prompts.
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General
Weight and Dimensions
