Independent technical referenceOfficial site
  • Phones and tablets
  • Android phones and tablets

Waiting for this message

WhatsApp Waiting for this message on Android: chat encrypted

Verified with sources4 sourcesReviewed Oct 18, 2026
Technician coming? See the 2 steps they must show you
Google Pixel Android phones, rear view
IXTA9839CC BY-SA 4.0Image source

Risk level

Low

Usually safe to check without specialist tools.

Urgency

Low

Quick answer

The notice "Waiting for this message. This may take a while." appears when end-to-end encryption keys have not synced yet; ask the sender to open WhatsApp online, update the app on both phones, and check your primary phone.

Safety first

Stop and check this first

  • Never install modified WhatsApp clients or third-party decryption tools claiming to reveal messages stuck on this notice: end-to-end encryption means only you and the sender can read them in the official app.

Safe checks you can perform

  • Get both phones online together and test Wi-Fi vs mobile data
  • Update WhatsApp on both phones and ask for a resend
  • Switch to your primary phone or unlink and relink

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Check APN and mobile data settings with your carrier
  • Do not attempt this professional task: Ask the Wi-Fi network administrator about blocked traffic

What a technician must be able to justify

Technician visit

These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.

These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.

  1. Check APN and mobile data settings with your carrier

    What they doIf other apps on your Android phone load the internet fine over mobile data but WhatsApp cannot connect and shows a clock icon next to messages, contact your mobile provider to check your access point name (APN) settings.

    They must show youverified APN settings on the phone and a test WhatsApp message changing from the clock icon to a check mark.

    In writingthe carrier ticket number and any APN or mobile data settings changed.

  2. Ask the Wi-Fi network administrator about blocked traffic

    What they doWhen WhatsApp fails to connect on an office or university campus Wi-Fi network but works on mobile data or another hotspot, contact the Wi-Fi network administrator.

    They must show youwhether the Wi-Fi network restricts WhatsApp traffic and a working test on an alternate network.

    In writingthe network administrator's answer regarding firewall or Wi-Fi restrictions.

Before accepting a part or repair

Nothing has been shown yet. Do not accept a part swap based on the code alone.

Follow these steps

Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.

  1. Get both phones online together and test Wi-Fi vs mobile data

    No special tools

    Who:
    you and the sender.
    How:
    ask the sender to open WhatsApp so you are both online at the same time, test your connection by loading a webpage in your browser, switch between Wi-Fi and mobile data, toggle Flight mode on and off, and turn Data saver off.
    Result that matters:
    let both devices complete the encrypted delivery over a stable internet connection.
    If the message text loads in the chat:
    both phones just needed to be online together.
    If the placeholder stays in the chat:
    update WhatsApp and check your primary device.
    Evidence to keep:
    screenshot of the "Waiting for this message. This may take a while." notice with its timestamp.

    Evidence: About "Waiting for this message. This may take a while." · How to fix connection issues

  2. Update WhatsApp on both phones and ask for a resend

    No special tools

    Who:
    you and the sender.
    How:
    confirm that both you and the sender have installed the latest version of WhatsApp; if the original message failed to deliver after a reinstall, ask the sender to resend the message.
    Result that matters:
    receive a fresh copy encrypted with the current session keys.
    If the resent message appears right away:
    the encrypted session between both phones is working.
    If you are on a linked device and messages still hang:
    switch to your primary phone or relink the device.
    Evidence to keep:
    note of the WhatsApp version installed on your Android phone.

    Evidence: About "Waiting for this message. This may take a while."

  3. Switch to your primary phone or unlink and relink

    No special tools

    Who:
    you.
    How:
    open WhatsApp on your primary Android or iOS phone (the phone used to register your account, which must log in every 14 days to keep linked devices connected); if the issue is on a linked device, unlink and relink it.
    Result that matters:
    refresh the connection between your primary phone and any linked companion devices.
    If new messages load normally across devices:
    relinking resolved the sync delay.
    If your primary phone also shows a clock icon next to outgoing messages:
    check your router or contact your mobile provider.
    Evidence to keep:
    screenshot of your linked devices list and chat delivery status on the primary phone.

    Evidence: About "Waiting for this message. This may take a while." · How to fix connection issues

Still not solved

If the error persists, stop here. See what the technician must do and show you.

Where this code applies

A code is meaningful only inside the right product and version context.

Primary scope

System
Phones and tablets
Brand
WhatsApp
Product type
Android phones and tablets

Known code variants

  • End-to-end encryption waiting for this message WhatsApp
  • Esperando el mensaje WhatsApp
  • Esperando el mensaje. Esto puede tomar tiempo.
  • Esperando este mensaje. Esto puede tomar un tiempo
  • Esperando este mensaje. Revisa tu teléfono.
  • Mensaje en espera cifrado de extremo a extremo WhatsApp
  • Waiting for this message
  • Waiting for this message. Check your phone.
  • Waiting for this message. This may take a while.
  • WhatsApp esperando el mensaje Android
  • WhatsApp message stuck on waiting for this message
  • WhatsApp waiting for this message Android

What it means

WhatsApp's official article "About Waiting for this message. This may take a while." explains that because personal messages are protected by end-to-end encryption, an incoming message is replaced by this placeholder if delivery failed, if you or the sender recently reinstalled WhatsApp, if either side runs an outdated version, or if you replaced your primary phone with the same number. Menu labels may vary by Android version, and this notice alone never proves your phone or account is faulty.

Warnings and stop conditions

  • Loweditorial warning

    Never install modified WhatsApp clients or third-party decryption tools claiming to reveal messages stuck on this notice: end-to-end encryption means only you and the sender can read them in the official app.

    Evidence: About "Waiting for this message. This may take a while."

Symptoms and causes

Probable causes · in order

  • Recent reinstall or new primary phoneCommon

    When you or the sender recently reinstalled WhatsApp, or you replaced your primary phone and installed WhatsApp on a new device with the same number, earlier messages wait for encryption validation.

    Evidence: About "Waiting for this message. This may take a while."

  • Sender offline or interrupted message deliveryCommon

    If the message failed to deliver initially and the sender does not have WhatsApp open with an active internet connection, your device cannot finish receiving it.

    Evidence: About "Waiting for this message. This may take a while." · How to fix connection issues

  • Outdated WhatsApp version on either devicePossible

    Running an older version of WhatsApp on your phone or on the sender's phone can prevent incoming encrypted messages from loading properly.

    Evidence: About "Waiting for this message. This may take a while."

  • Linked device out of sync with the primary phonePossible

    Viewing chats on a linked device when your primary phone (which must log in at least every 14 days to keep linked devices connected) has been offline can leave messages waiting.

    Evidence: About "Waiting for this message. This may take a while."

Virtual technician

Does Waiting for this message still appear after these checks?

Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.

Sources and technical references

  1. 3

    How to fix connection issues

    WhatsApp · 2026 · official_doc

  2. 4

    Cómo solucionar problemas de conexión

    WhatsApp · 2026 · official_doc

Sources: About "Waiting for this message. This may take a while." · Información sobre "Esperando el mensaje. Esto puede tomar tiempo." · How to fix connection issues · Cómo solucionar problemas de conexiónreviewed 2026-10-18 · verified

Was this entry useful?