Good afternoon everyone today i ll show how can you change the theme of chat in WhatsApp.
It is quite simple so just follow the below steps
Step 1) Open any chat from your whatsapp.
Step 2) Click on the three dots at top right corner.
Step 3) Clicl on wallpaper
Step 4) Select gallery to select a image from your phone to be set as theme.
Step 5) Select a photo here and click set.
Step 6) the theme will be changed.
You can resize the photo at step 5 accordingly
Thank You and have a nice day.