To lock a chat go to Settings->Privacy and Security->Passcode Lock and enable it. Once you create a passcode and enable it, you will be able to lock and unlock your chats by tapping on the lock icon at the top right of the app. Read also: WhatsApp vs Telegram vs Signal: Which messaging app should you use? A further privacy blunder is that Telegram notifies your contacts when you join it — unless you don’t give it permission to access your contacts. The app doesn’t warn you it’s about to ping your contacts, and that’s a big caveat for those who want to use Telegram to keep a low profile.
If you want to use Telegram in a region where it's blocked, you'll appreciate the Telegram function that allows you to connect via a proxy server. Most of the time, it's better to use a VPN on your phone, but a proxy can still help you get around regional restrictions. Thank You To create one of these, go to Settings or a Chat Info page, click Edit > click the Profile Picture > select Sticker or Emoji. Tap your profile picture here to see everything you've uploaded in the past. You can scroll across them; tap the Set as Main Photo option that appears on the top-right menu (as three dots on Android or Edit on iPhone) to set an older image as your current profile picture.
Since Telegram stores chats and files on a remote server instead of your device, you can also access everything (except secret chats) from the web. Access it via the web portal or any of several Chrome extensions. Display large emojis To use a proxy server in Telegram, open Settings > Data and Storage > Proxy Settings. Enable Use Proxy and you'll need to fill in all the required information to add it. You can find server info for this online if needed. Telegram Bots
Premium users get increased limits for almost everything in the app. With Premium, you can follow up to 1000 channels, create up to 20 chat folders with up to 200 chats each, add a fourth account to any Telegram app, pin 10 chats in the main list and save up to 10 favorite stickers. Save to Gallery Settings on Android
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