logo

UFO VPN : Best Free VPN You Can Actually Trust

Strong encryption & free access to global apps & websites.

  • No credit card
  • 100% free plan
  • 2000+ servers
blog banner bg

How to Fix the Most Common WhatsApp Issues

WhatsApp is one of the most widely used messaging apps in the world, connecting billions of people daily. But like any other app, it’s not immune to occasional problems. If you’ve ever found yourself wondering, “Why is my WhatsApp not working?”, you’re not alone. From connection issues and app crashes to message delays and verification problems, a lot can go wrong. This guide walks you through the most common WhatsApp issues, their likely causes, and how to fix them—whether you're using Android or iPhone.
Updated on 11/20/2025
5 minutes

Table of Contents

WhatsApp Issues and Possible Causes

Here’s a quick breakdown of common WhatsApp problems and what might be causing them:

Issue Possible Cause
Cannot send or receive messages Poor network connection, server outage
App unavailable in region Geo-restrictions or government bans 
WhatsApp won’t open or keeps crashing Outdated app version, system bug
Verification SMS not arriving Blocked SMS, virtual number rejection
App keeps logging out Storage or cache issues, phone OS bugs
Calls not connecting Network restrictions, app permissions
"Connecting…" stuck screen WhatsApp servers down
WhatsApp not syncing contacts Permissions issue, outdated contact list
Pro Tip

In countries where WhatsApp is blocked or restricted, using a reliable VPN like UFO VPN can restore full access and improve connection stability. Download best free VPN for Android in UFO VPN (with APK) to unblock WhatsApp.

How to Resolve: WhatsApp Not Working

Let’s walk through step-by-step solutions for each issue:

Fix 1: Check WhatsApp Server Status

Before diving into device fixes, check if WhatsApp is experiencing a global outage. What you can do:

  • Visit Downdetector website: https://downdetector.com/.
  • Search “Is WhatsApp down?” online.
  • Check the latest information of WhatsApp’s forum/social media: WhatsApp on X (@WhatsApp); WhatsApp Reddit (r/WhatsApp).

Fix 2: Use a VPN (If Geo-Blocked)

If WhatsApp is unavailable in your area, a VPN with global servers can help restore access to it. 

🌍 UFO VPN gives you fast, secure, and stable access to WhatsApp, even in regions where it’s restricted.

Step 1
Grab the free Windows VPN installer right below. UFO VPN is lightweight and secure on all Windows systems. Double-click the downloaded file and complete the installation. Once installed, launch UFO VPN.
windows1
Step 2
Select a VPN Server
Inside the app, you can click the "Connect" button for quick connection, or browse the list of servers by Location or categroy: Video& Stream, Game, etc. Choosing the right server ensures fast speeds and smooth access.
windows2
Pro Tip

UFO VPN is an all-in-one VPN that offers unlimited access to 4D streaming like Netlfix, Disney Plus, no-ping gaming as PUBG, Roblox, CODM and social networking for YouTube, X, Facebook and more.

Step 3
Enable Advanced Features
In addition to basic functions, we recommend you turn on extra protections via Ad Blocker and features like Kill Switch, Split Tunneling and Smart Hop. Users can optimize online gaming/streaming/chatting as much as possible.
windows3
Step 4
Check Your New IP
Use UFO VPN's built-in " What is My IP" feature to see your new IP address and location. This confirms your VPN is working, hides your real IP, and ensures privacy while browsing.
windows4
Step 1 Download and install UFO VPN for macOS
Click the button below to download offcial Mac VPN free. Open the .dmg file, drag UFO VPN to your Applications folder, and launch it. You're just a few clicks away from secure browsing.
macos1
Step 2 Pick Your IP Server
Tap "Connect" button for the fastest server automatically. Or you can select a server from the global server list in 100+ countries. UFO VPN is an UFO VPN is an all-in-one VPN or gaming, video streaming, social platforms, and AI tools.
macos2
Step 3

Unlock Pro Features

If you have upgraded to premium plan , feel free to enjoy premium servers for 4K streaming and advanced features like Kill Switch, Split Tunneling, and gaming acceleration. Your Mac is now fully optimized and protected. Inaddition to basic functions, we recommend you turn on

macos3
Step 4

Verify Your IP Now

Use UFO VPN's " What is My IP " feature to see your new IP and location. This confirms your connection is secure, anonymous, and ready for safe browsing online anywhere at any time.

macos4
Step 1 Download and install UFO VPN for iPhone/iPad
Download this free iOS VPN via official link or App Store. Once installed, launch the app to get started. UFO VPN is now trusted by over 2 million users worldwide with optimzed service.
ios1
Step 2 Select a Perfect Server
Hit "Connect" button for the fastest server near you instantly. Or you can choose a favorite location/platform from the server list manually for full control. UFO VPN is an all-in-one VPN companion for gaming, streaming, social media, and AI tools.
ios2
Step 3 Lookup IP and Enable Pro Features
Now you can check your current IP via built-in IP lookup tool. Pro features in premium plan offer you premium servers, blazing speeds, Kill Switch, Split Tunneling, and Multi-device login, so you can protect your iPhone, iPad, and other Apple devices all at once.
ios3
Step 1 install UFO VPN for Android
Get free Android VPN from offcial website or Google Play Store. Follow the instructions for easy download. Then open the app and get ready to surf safely.
android1
Step 2 Choose Your Ideal Server
UFO VPN is an all-in-one powerhouse for gaming, video streaming, social apps, and AI tools. The"Connect" button links you to the fastest server instantly, or you can choose among the server list manually via Location/ Video&Stream/Games for easy access.
android2
Step 3 Power Up Pro Features
Pro users can look up current IP via built-in "What Is My IP" feature, and unlock premium features like 4K servers, turbo speeds, Kill Switch, Split Tunneling, and Multi-device login, keeping all your Android phones, tablets, and other devices safe at once.
android3

Fix 3: Ensure a Stable Internet Connection

Switch between Wi-Fi and mobile data to test which one works better. In addition, you can choose a different internet provider.

Fix 4: Restart Your Device

Sometimes, a simple restart can clear temporary system glitches.

Fix 5: Update WhatsApp

Go to the App Store (iOS) or Google Play (Android)  and check if WhatsApp is available to update. Make sure you’re using the latest version of WhatsApp.

Fix 6: Clear Cache and Free Up Storage

Low device storage can lead to crashes and delays. On Android, go to Settings > Apps > WhatsApp > Storage > Clear Cache.

Clear WhatsApp cache

Fix 7: Check App Permissions

Ensure WhatsApp has access to your contacts, camera, microphone, and storage. Missing permissions can break core features.

Fix 8: Enable Background Data Usage

If WhatsApp isn’t receiving messages unless open, background data may be disabled.

How to enable background data (for Android):

  • Go to Settings > Apps > WhatsApp.
  • Tap Mobile Data & Wi-Fi (or Data Usage).
  • Ensure Background data and Unrestricted data usage are both enabled.

For iPhone:

  • Open Settings > WhatsApp.
  • Make sure Background App Refresh is enabled.
  • Also, go to Settings > General > Background App Refresh and check that it's enabled for Wi-Fi and Cellular.

Fix 9: Fix SMS Verification Issues

Make sure your phone can receive SMS and that the number you entered is correct (with country code). Avoid using virtual numbers if they’ve been rejected.

Pro Tip

In some regions, using a VPN can help receive verification codes, especially if WhatsApp is restricted.

Unlock, Protect and Go Free
Access any site
Lifetime free
3000+ global IPs
1-click connection

Fix 10: Reinstall WhatsApp

As a last resort, uninstall and reinstall the app. Make sure to back up your chats first via Google Drive or iCloud.

Stay Safe When Using WhatsApp

Even when the app is working fine, privacy and access can be an issue in some countries or networks. If you live in a region with WhatsApp censorship or throttling, consider:

  • Using a trusted VPN to unblock WhatsApp or maintain access abroad
  • Encrypting your traffic to prevent third-party monitoring
  • Securing your IP while making voice or video calls

 Download UFO VPN iOS - free VPN for iPhone/iPad, fast, secure, and optimized for WhatsApp access anywhere.

Conclusion

WhatsApp is one of the most reliable messaging apps — but like any technology, it isn’t immune to hiccups. Whether it's a server-side issue or a glitch on your phone, this guide should help you resolve the most common WhatsApp problems quickly. And if you're in a location where WhatsApp is blocked or unstable, using a VPN like UFO VPN can keep your conversations flowing smoothly and privately.

 

Bypass blocks. Stay private.

Use UFO VPN — the best free VPN that works anywhere

Ethan Carter
Ethan Carter

About This Author

I’m Ethan Carter, a New York-based writer with a background in cybersecurity and digital trends. I love breaking down complex tech topics into digestible insights, helping people navigate the online world safely and smartly.