To get started with Telegram, install the official app, sign in with a mobile number you control, find a contact or username, and open a conversation to send a message. Then decide whether you want a public username, choose groups or channels for the right kind of community, and secure your account with two-step verification. The steps below cover the basics across mobile and desktop; menu labels can change, so check the current screen if yours differs.
Install Telegram and sign in
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Download Telegram through its official apps page, which links to supported apps and platforms.
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Open the app and register or sign in with a mobile phone number you control. Enter it in international format, including the country code. Telegram accounts are tied to mobile numbers; its FAQ says landlines are not supported.
Do these 3 things before closing this tab:
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Enter the login code Telegram sends you. Treat this code as a password: do not forward it or give it to anyone, even if they claim to be Telegram support.
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OtterBox Galaxy S22 Commuter Series Case - Black, Slim & Tough, Pocket-Friendly, with Port Protection- Perfect Fit for Samsung Galaxy S22: Precision-engineered exclusively for the Samsung Galaxy S22, this OtterBox case offers a flawless fit. It not only preserves your phone's sleek design but also ensures unparalleled protection against everyday hazards.
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Keep the connected number current and accessible. If you lose control of it, recovering access may be difficult. Telegram’s FAQ covers signing in on iOS, Android, and Telegram Desktop, but cautions that its instructions may not immediately reflect interface changes.
Find someone and start a conversation
Use your contacts
Allow contact access if you want Telegram to show people from your address book who use the app. You can also review contact synchronization in Telegram settings. The exact setting path differs by platform.
Search for a username
Use Telegram’s search to look for a person’s username. A public username lets people find and message you without knowing your phone number, but it also makes you easier to discover. Choose one only if that trade-off suits you.
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Send a message or file
Open the person’s conversation, type a message, and tap or click the send control. Use the attachment control in the conversation to choose a photo, video, or file from your device. Telegram synchronizes ordinary cloud chats and their media across your signed-in devices.
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- Compatibility: Engineered exclusively for Galaxy A17 5G / A16 5G with precision cutouts that give full access to ports, speakers, and buttons without interfering with wireless charging. Our 24/7 dedicated support team resolves any model or quality concerns instantly.
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Understand the check marks
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One check: Telegram says the message reached its cloud and the recipient was notified if notifications are enabled.
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Two checks: The recipient opened Telegram and the conversation containing the message.
Choose between groups and channels
| Feature | Group | Channel |
|---|---|---|
| Best for | Discussion among members | Broadcasting posts to subscribers |
| Who publishes | Members can participate; administrators can manage the group | An owner or team publishes posts |
| How people find or join | Invite links can be used | Public channels can be found by username; private channels require an invitation or link |
| How posts appear | As a member conversation | By default, posts show the channel’s name and photo rather than an individual poster’s name |
Public group and channel content can be accessed by everyone, according to Telegram’s Privacy Policy. Avoid posting information there that you would not want publicly available.
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Telegram distinguishes ordinary cloud chats from Secret Chats. The company describes cloud chats as using client-server/server-client encryption and being stored in its cloud for synchronization. Secret Chats add client-to-client end-to-end encryption and are tied to the devices where they were created. These are Telegram’s descriptions of its products, not an independent security audit.
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- Compatibility: This case Fit for Samsung Galaxy A17 5G (6.7 inch, 2025) and Samsung Galaxy A16 5G (6.7 inch, 2024). Please confirm your phone moderl before purchasing
- Strong Magnetic Attraction: This Galaxy A17 5G / A16 5G Phone Case has built-in 38 super N52 magnets. Its magnetic attraction reaches 2400 gf, which is almost 7X stronger than ordinary. Provide a strong connection to all magnetic accessories—wallets, car mounts, ring holders. Enjoy a safer and more convenient experience
- Tempered Glass Screen Protector: This Samsung Galaxy A17 5G / A16 5G Phone Case includes 1× premium tempered glass screen protector that preserves original touch sensitivity and HD clarity. Offers reliable scratch and drop defense for your phone's Screen, without compromising responsiveness or display quality
- Translucent Matte Back: This Samsung A17 5G / A16 5G Case crafted from high-quality matte TPU and translucent PC, this case reveals the phone logo with an elegant, refined finish. The frosted texture delivers a comfortable, non-slip grip, while the nano antioxidant layer effectively resists stains, sweat, and minor scratches—keeping your case clean and clear longer
- 14FT Military Grade Drop Protection: A17 5G / A16 5G Phone Case has rigid polycarbonate backplate paired with flexible, shock-absorbing TPU bumpers around the edges, plus 4 built-in corner airbags. Provides comprehensive protection against accidental drops, bumps, and impacts
| Chat type | Encryption description from Telegram | Device availability |
|---|---|---|
| Cloud chat | Client-server/server-client encryption | Stored in Telegram’s cloud and synchronized across signed-in devices |
| Secret Chat | End-to-end encryption | Available only on the devices where that Secret Chat was created; it does not appear as cloud history on a newly connected device |
Start a Secret Chat
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Open the contact’s profile.
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Open the profile menu and choose Start Secret Chat. Menu placement can vary by platform and app version.
Telegram says logging out removes Secret Chats from that session. A disappearing-message timer does not stop someone from capturing the screen with another device, so it is not a guarantee against copying or disclosure.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Review privacy and account security
Control phone-number visibility
In Telegram’s privacy settings, review who can see your phone number. Visibility is configurable, but someone who already has your number saved may still see it. A username offers an alternative way to be contacted without sharing the number, at the cost of greater discoverability.
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Protect sign-in and devices
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Enable two-step verification in Telegram’s privacy and security settings. It adds a password requirement beyond the login code.
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SunStory for Samsung Galaxy A16 5G Phone Case with Rotated Ring Kickstand- 【Compatible with Samsung A16 5G】Specially designed for Samsung Galaxy A16 5G.Package includes Soft HD Screen Protector and install them according to the instructions..【Note that】wireless charging is not supported!
- 【Camera Lens Protection】 This phone case use lens slide design, it easy to slide and not to loose, and enhance protective of your phone camera from scratches, collision, scuffs and impact, not only improve safety, protect your privacy but also has a sense of fashion.
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Consider setting up a passkey if the option is available in your app and on your device.
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Review active sessions and terminate any session on a device you no longer control.
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Use an app lock on shared devices, where available.
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Keep control of the mobile number linked to your account and never share Telegram login codes.
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Be cautious with bots
Bots are created by outside developers. In groups, a bot with privacy mode enabled sees messages directed to it; some bots can be configured to see all group messages. Telegram indicates bot access in the group member list. Check that indication and do not send sensitive information to a bot unless you trust its operator and understand what access it has.
Fix common beginner problems
Registration or login fails
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Check that the phone number is in international format, including its country code.
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Confirm you still control the mobile number linked to the account. Telegram’s FAQ says landlines are not supported.
PerformanceWindows Errors? Fix Them Before They SpreadDriversOutdated Drivers Are Slowing You DownPerformancePC Slower Than It Used to Be?Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy. -
Do not share a login code with anyone offering to help.
Notifications are missing
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Check notification settings in Telegram and notification permissions in your device settings.
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Make sure the specific conversation is not muted.
Contacts are missing or appear as numbers
Review Telegram’s contact-sync setting and consult the current platform-specific troubleshooting instructions in the Telegram FAQ. Avoid logging out as a first troubleshooting step: Telegram says that doing so removes Secret Chats from that session.
Quick Recap
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