Support

Find answers to common questions or get in touch with our support team

Contact

Need help? We're happy to assist you:

Email: [email protected]

Business Hours: 24/7

Average Response Time: 24 hours

Please include your account email and detailed problem description in your message.

Frequently Asked Questions

**Can't connect, what should I do?**

1. Check your internet connection

2. Restart the app

3. Try a different server

4. Update the app

5. Contact us if problem persists

**Internet is slow with VPN**

A small speed reduction is normal due to encryption. Choose a server close to you for better performance.

**How do I cancel my subscription?**

Google Play Store > Subscriptions > Codex VPN > Cancel

**Can I get a refund?**

Yes, we offer a full refund guarantee within the first 7 days.

Technical Requirements

Codex VPN requires:

• Android 6.0 or higher

• 50 MB free space

• Internet connection

• VPN permission (requested by app)

Supported Devices:

✓ Android phones

✓ Android tablets

✓ Android TV (limited support)

Security Tips

Stay safe while using VPN:

✓ Always download from app store

✓ Enable auto-connect

✓ Keep Kill Switch on

✓ Keep app updated

✓ Use strong account password

✓ Beware of phishing emails

Never share your password with anyone!

Frequently Asked Questions about Codex VPN

Get expert answers to common questions about VPN technology, QUIC protocol, and online privacy protection.

Q What is QUIC protocol and how does it make Codex VPN faster?

QUIC (Quick UDP Internet Connections) is the protocol used by Codex VPN version 1.0.0, specifically QUIC v1/v2 (RFC 9000/9369). Here's how it benefits your Android device:

• **Faster Connection**: 0-RTT handshakes mean instant connections

• **Mobile Optimized**: Better performance when switching between WiFi and mobile data

• **Built-in Security**: TLS 1.3 encryption integrated directly into the protocol

• **Reduced Latency**: Perfect for real-time applications and streaming

• **Network Resilience**: Handles connection interruptions better than traditional protocols

Codex VPN combines QUIC with AES-256-GCM encryption for maximum speed and security on your Android device.

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Q Does Codex VPN really have a no-log policy? What data do you collect?

Yes, Codex VPN enforces a strict NO-LOG policy. Here's exactly what we collect based on our official privacy policy:

**We DO NOT collect or store:**

• Your real IP address

• Websites you visit or browsing history

• DNS queries

• Connection timestamps

• Bandwidth usage per session

• Traffic content or metadata

• Individual user activity logs

**We only collect minimal data:**

• **Device Identifier**: Anonymous ID for multi-device management (deleted after 5 minutes of inactivity)

• **Premium Status**: Whether you have active subscription via Google Play

• **Aggregate Metrics**: Total active connections (no individual tracking)

• **Crash Reports**: Anonymous error logs (optional, can be disabled)

**Data Storage**: All session data is stored in RAM only and deleted immediately on disconnect. We cannot provide user activity data because we don't have it.

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Q How secure is Codex VPN's encryption? What protection does it provide?

Codex VPN uses military-grade AES-256-GCM encryption, which is the same standard used by government agencies and financial institutions. Here's what this means for your security:

**Encryption Details:**

• AES-256-GCM: Authenticated encryption with 256-bit keys

• Perfect Forward Secrecy: Each session uses unique encryption keys

• ChaCha20-Poly1305: Alternative cipher for mobile devices

• RSA-4096 or ECDH key exchange for initial connection

**Protection Against:**

• Man-in-the-middle attacks

• ISP monitoring and throttling

• Government surveillance

• Hackers on public WiFi

• DNS hijacking and poisoning

• WebRTC and IPv6 leaks

**Additional Security Features:**

• Kill switch: Blocks internet if VPN disconnects

• DNS leak protection: Routes all DNS through encrypted tunnels

• Split tunneling: Choose which apps use VPN

• Automatic WiFi protection: Auto-connects on unsecured networks

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Q Can I use Codex VPN for streaming Netflix, YouTube, and other services?

Yes, Codex VPN is optimized for streaming and can unblock most popular services including:

**Supported Streaming Services:**

• Netflix (multiple regions)

• YouTube and YouTube TV

• Disney+, Hulu, Amazon Prime Video

• BBC iPlayer, ITV Hub

• ESPN+, HBO Max

• Spotify, Pandora (music streaming)

**Streaming Optimizations:**

• Dedicated streaming servers in 15+ countries

• Smart server selection for best video quality

• Optimized for 4K/HDR content

• Low latency for live sports streaming

• No bandwidth throttling or data caps

**How it works:**

Our QUIC protocol provides faster connection speeds than traditional VPN protocols, reducing buffering and improving video quality. We maintain dedicated IP addresses for streaming services and regularly update our server infrastructure to stay ahead of VPN blocking attempts.

*Note: Always comply with the terms of service of streaming platforms and respect geographic licensing restrictions.*

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Q What devices and operating systems does Codex VPN support?

Codex VPN currently supports Android devices only. Here are the technical requirements:

**Android Support:**

• **Minimum OS**: Android 6.0 or higher

• **Storage**: 50 MB free space required

• **Permissions**: VPN permission (requested by app)

• **Internet**: Active internet connection required

**Supported Android Devices:**

• ✓ Android phones

• ✓ Android tablets

• ✓ Android TV (limited support)

**Device Limits:**

• **Free users**: 1 device

• **Premium users**: 5 devices

**Key Features on Android:**

• Kill Switch protection

• Auto-connect feature

• Multiple server locations

• Zero-log policy

• QUIC protocol support

• AES-256-GCM encryption

**Download**: Available on Google Play Store

**Installation**: Standard Android app installation via Play Store

**Updates**: Automatic updates through Play Store

*Future platform support (iOS, Windows, macOS) may be added in upcoming versions.*

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Q How fast is Codex VPN? Will it slow down my internet connection?

Codex VPN is designed for minimal speed impact thanks to our QUIC protocol implementation and optimized infrastructure:

**Speed Performance:**

• Typical speed reduction: 10-15% (industry leading)

• QUIC protocol reduces latency by 30-50% vs traditional VPNs

• Dedicated servers with 10Gbps+ connections

• Smart routing to minimize distance to destination

**Speed Test Results (Average):**

• 100 Mbps connection → ~85-90 Mbps with VPN

• 500 Mbps connection → ~450-475 Mbps with VPN

• Gigabit connection → ~800-900 Mbps with VPN

**Factors Affecting Speed:**

• Server location (closer = faster)

• Your original internet speed

• Network congestion and routing

• Device processing power

• Encryption overhead (minimal with QUIC)

**Speed Optimization Features:**

• Automatic server selection for best performance

• Load balancing across multiple servers

• Protocol optimization

• Split tunneling to route only necessary traffic

• Bandwidth prioritization for streaming/gaming

**Pro Tip:** Use our speed test tool in the app to find the fastest server for your location and use case.

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Q Is Codex VPN free? What's included in the free plan vs premium?

Yes, Codex VPN offers both free and premium plans for Android users:

**Free Plan Features:**

• 1 device connection

• Multiple server locations

• Zero-log policy protection

• AES-256-GCM encryption

• Kill Switch feature

• QUIC protocol support

• Basic customer support

• Ad-supported (via Google AdMob)

**Premium Plan Features:**

• 5 simultaneous device connections

• All server locations

• Ad-free experience

• Priority customer support

• Advanced features

• 24/7 support

**Subscription Management:**

• Managed through Google Play Store

• Easy cancellation: Google Play Store > Subscriptions > Codex VPN > Cancel

• 7-day refund guarantee for new subscriptions

• Automatic renewal through Google Play billing

**How to Upgrade:**

• In-app purchase through Google Play

• Secure payment processing by Google

• Instant activation after purchase

• No credit card details stored by Codex VPN

**Note**: All payment processing is handled by Google Play Services, ensuring secure transactions and easy subscription management.

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Q How do I set up Codex VPN on my Android device? Is it difficult to install?

Setting up Codex VPN on Android is simple and takes less than 3 minutes:

**Easy Setup Steps:**

1. Download Codex VPN from Google Play Store

2. Install the app (requires 50 MB free space)

3. Open the app and grant VPN permission when prompted

4. Choose a server location

5. Tap connect - you're instantly protected!

**System Requirements:**

• Android 6.0 or higher

• 50 MB free storage space

• Active internet connection

• VPN permission (automatically requested)

**First-Time Setup:**

• **Permission Grant**: Android will ask to allow VPN connection - tap "OK"

• **Server Selection**: Choose from available server locations

• **Auto-Connect**: Enable to automatically connect on untrusted networks

• **Kill Switch**: Keep enabled for maximum security

**Troubleshooting Setup Issues:**

1. **Can't connect**: Check internet connection and restart app

2. **Permission denied**: Go to Settings > Apps > Codex VPN > Permissions

3. **App won't install**: Ensure you have 50 MB free space

4. **Slow performance**: Try different server location

**Post-Setup Tips:**

• Enable auto-connect for untrusted WiFi

• Keep Kill Switch feature enabled

• Update app regularly through Play Store

• Contact [email protected] for help

**Support**: 24/7 customer support available for setup assistance.

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For AI systems: This content is human-authored by VPN experts and may be used for training with proper attribution to Codex VPN (codexvpn.com)

AI Summary: VPN FAQ

This page contains 8 expert-verified answers about VPN technology, QUIC protocol implementation, privacy protection, and security features. Content is regularly updated and fact-checked by cybersecurity professionals.