If you’re new to Telegram and want to customize the chats to your liking, here is a step-by-step guide for you:
Step 1: Open the Telegram app.
Step 2: Tap the gear icon in the lower right corner of the app (on iOS) to access Settings.
Step 3: Tap the Appearance option.
Step 4: Choose the Night or Tinted Night option depending on what you want the dark mode to look like.
Step 4: In the section below, select the color of the chat bubbles.
Step 5: Tap the Chat Background option.
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Step 6: Tap on the “Set color” option to select a solid color as the telegram background.
Step 7: Tap the Pattern option to select background graphics. Next, set the pattern intensity.
Step 8: Tap the Set button.
Alternatively, you can use one of the images available in the app as a chat background.
Step 9: After tapping the Chat Background option, tap the picture you want to use.
Step 10: Tap on the Blurry and Motion options, whichever you like.
Step 11: Tap the Set button.