Kaise kare apne phone me stock rom kaise dale

Hello friends aaj ka topic phone update par hai dosto update karne se phone pahle se behtar Or faster kam karta hai to start karte hai
Step.1 apne phone ke liye update ki zip file dwonload kare
Step.2 apne phone ko pc se connect kare
Note: pc me ADB installer & sp flash tool  install kare
Step. 3 pc se concet karne ke bad swich off kare phone
Step.4 update ki zip file extract karke rakhe pc me
Step.5 sp flash tool open
Step.6 tab dwonload and salect update me extract ki hue scatter.txt file
Step.7 start dwonload
Dwonloading comeplite hone ke bad phone nikale de aur swich on kare 
Note: update se pahle bakup karle