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Some one hacked my friend’s WhatsApp? How to logout from all devices?

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WhatsApp logout all devices linked devices 2025

Here's exactly what your friend needs to do:

Log Out of All Devices on WhatsApp

Step 1 — Log out linked devices (WhatsApp Web / Desktop / other phones)

On Android:
  1. Open WhatsApp → tap the three dots (⋮) in the top right
  2. Tap Linked devices
  3. You'll see a list of all active sessions
  4. Tap each device → tap Log out
  5. Repeat for every device listed
On iPhone:
  1. Open WhatsApp → tap Settings (bottom right)
  2. Tap Linked devices
  3. Tap each active session → tap Log out
There's no single "log out all" button — you have to remove each linked device one by one.

Step 2 — Secure the account immediately

After logging out all sessions, do these right away:
  1. Enable Two-Step Verification
    • Settings → Account → Two-step verification → Enable
    • Set a strong 6-digit PIN + a recovery email
  2. Change the linked email (if one was added by the attacker)
    • Settings → Account → Email address
  3. Check "Privacy" settings — make sure profile photo, status, and Last Seen visibility haven't been changed
  4. Alert contacts — warn friends/family that the account may have been compromised and to ignore any suspicious messages they received

Step 3 — If your friend can't access their account at all

If the hacker already re-registered the number on their device:
  1. Re-verify the phone number — open WhatsApp, enter the phone number, and request the 6-digit SMS code. This will automatically log the hacker out.
  2. If the hacker enabled two-step verification with their own PIN, your friend needs to contact WhatsApp Support and wait 7 days for the PIN lock to expire.

Key takeaway

The fastest security action is re-verifying the phone number via SMS — this kicks out anyone else using the account on any device instantly.
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