> For the complete documentation index, see [llms.txt](https://conso-1.gitbook.io/conso/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://conso-1.gitbook.io/conso/account-and-onboarding/telegram-login-basics.md).

# Telegram login basics

Telegram login codes often go to an already-logged-in device first. Understanding sessions and two-step verification helps you avoid lockouts and protect your account.

Telegram uses a code-based login system tied to your phone number. In many cases, the login code is delivered to your existing Telegram session (on another device) before SMS. Telegram also supports Two-Step Verification (a password) to protect your account if someone gets your login code.

This page explains the core mechanics you’ll run into when logging in, switching devices, or managing multiple accounts.

<details>

<summary><mark style="color:$primary;"><strong>How Telegram login works</strong></mark></summary>

When you log into Telegram, you typically do three things:

1. Enter your phone number
2. Receive a login code
3. (Optional) Enter your Two-Step Verification password if enabled

**Where the code is sent**

Telegram prioritizes sending the login code to:

* An existing logged-in Telegram app session (another phone/tablet/desktop), via a Telegram message

  Then, depending on your situation, it may fall back to:
* SMS to your phone number
* Phone call (in some cases)

**What this means:** if you still have Telegram logged in somewhere else, check that device first for the code.

</details>

<details>

<summary><mark style="color:$primary;"><strong>Sessions:</strong> why “Active Sessions” matters</mark></summary>

Telegram treats each logged-in device/app as a session. You can manage them in Telegram settings under Active Sessions (or “Devices”).

**Why sessions matter**

* If you lose a device, you should terminate that session immediately.
* If you see a session you don’t recognize, it may indicate account compromise.
* Telegram’s session-based model is also why your login code might arrive on another device.

**Best practice**

* Keep only the devices you actually use.
* Review sessions regularly—especially if you participate in high-risk Web3 groups.

</details>

<details>

<summary><mark style="color:$primary;"><strong>Two-Step Verification:</strong> your strongest protection</mark></summary>

Two-Step Verification adds a password on top of the login code.

**Why it matters**

If someone obtains your phone number and a login code, Two-Step Verification can still block them from logging in.

**What to remember**

* If you enable Two-Step Verification and forget the password, recovery can be difficult.
* Use a strong password and store it safely.

</details>

<details>

<summary><mark style="color:$primary;"><strong>Multi-device and “switching phones”</strong></mark></summary>

When moving to a new phone, your safest approach is:

* Keep your old device logged in until the new device login is complete.
* After you confirm everything works on the new device, terminate sessions you no longer need.

**Tip:** If you can’t access your old device, your login flow may rely on SMS/call—plan for that before travel or number changes.

</details>

<details>

<summary><mark style="color:$primary;"><strong>Multi-account basics</strong></mark></summary>

Telegram supports multiple accounts on the same device (depending on client/version). If you use multiple numbers:

* Be explicit about which number is being used for each account.
* Avoid mixing accounts for sensitive actions in Web3 communities.

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***

#### **FAQ**

<details>

<summary><mark style="color:$info;">I didn’t receive the code by SMS. What should I do?</mark></summary>

First, check any other device where you’re already logged into Telegram—codes often appear there first. Then confirm your phone can receive SMS/calls.

</details>

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<summary><mark style="color:$info;">I see a device I don’t recognize in Active Sessions.</mark></summary>

Terminate that session immediately, then enable (or reset) Two-Step Verification.

</details>

<details>

<summary><mark style="color:$info;">Do I need Two-Step Verification?</mark></summary>

If you use Telegram for Web3 communities, yes—strongly recommended.

</details>