Why is does the battery draining quickly after the stable update to 9.2 on a Redmi Note 4?

These problems will be fixed soon. How ever I will give some tips to you,

Tip #1

Disable Background Scanning.

-This is moreorless a hidden nifty feture, so turning it off , won't do any harm.

• In settings, Go to Wifi ,
• Now, Follow the instructions Provided In the image below.

Tip#2

Turn ON Adaptive Brightness.

-It Adjusts Screen Brightness As per surrounding.

• Go To SETTINGS / Display.
• Now, Follow the instructions Provided In the image below.

Tip#3

Turn OFF Ambient Display.

-This Feature wakes up screen ,
every time you recieve A New Notification.

• Go To SETTINGS / Display and Scroll Down.
• Now, Follow the instructions Provided In the image below.

Tip#4

Disable/Uninstall Un-Needed Apps.

-There Are Many Apps That We never Really use , yet They Consume battery While Running , in the Background.

I recommend You to uninstall All These Un-Needed Apps.

Also, Disable These system Apps

-As per you Preference.

• Google Indic Keyboard.(This will disable Hindi Language , Carefully)
• Google Korean Input.
• Google Pinyin Input.
• Google Play Movies & Tv (Your Preference)
• Google Zhuyin Input
• Talkback.

Go Disable These

• Go To Settings / Apps & Notifications / App info.
• Now Disable the apps highlighted in the Picture Below.

Tip#5

Disabilitare i gesti delle impronte digitali.

-Questa funzione è usata raramente,
ma mangia la batteria mantenendo il sensore di impronte digitali sempre al massimo.

• Per disabilitarlo. Vai su Impostazioni / App e notifiche / Notifiche.
• Ora, segui le istruzioni fornite nell'immagine qui sotto.

Tip#6

Imposta la modalità di localizzazione su - Solo dispositivo.

-Servizi di localizzazione, prosciuga la batteria in background.
Quindi impostalo su solo dispositivo per la maggior parte del risparmio.

• Per fare questo, vai su Impostazioni / Sicurezza & Posizione / Posizione.
• Ora, segui le istruzioni fornite nell'immagine qui sotto.

Tip#7

Cambia le impostazioni di consumo casuale della batteria.

-These are Minor settings and don't have a huge impact on battery life.

To Do This,

• Go To settings / System / Developer options.
• Now, Follow the instructions Provided In the image below.

Tip#8

Clear Cache and Junk Using Mi Explorer

-For a better Performance & Battery Life,
Try Clearing junk Regularly.

• First download The Mi file explorer From here - https://play.google.com/store/apps/details?id=com.mi.android.globalFileexplorer&hl=en
• Now Open The Mi Explorer and Clear the junk Files.

Tip#9

[Experimental]

Change Background Process Limit.

-This tip is Highly not recommended as it force stops all apps in background to acheive better battery.

Try This with Abosolute Caution.

To Do This ,

• Go to Developer Options.
• And, Change these settings , Check below.

Tip#10

Use Greenify

-Use Greenify for Advanced Automatic hibernation.

• To use Greenify , Install it from, play store , From here - https://play.google.com/store/apps/details?id=com.oasisfeng.greenify&hl=en
• Now go greenify settings from 3 dot menu From the Top right corner & Set Settings as in image below.

• Now Tap on + icon , and Select all Apps For hibernation.

• E ora sei pronto a partire.

Tip#11

Reset il tuo dispositivo

-Se nessuno dei trucchi di cui sopra funziona per te, prova a resettare il tuo dispositivo, poi reimplementa tutti i suggerimenti di cui sopra.