Slow Data Speeds

Optimize your eSIM connection for maximum performance and faster internet speeds

Experiencing Slow Speeds?

Slow data speeds can be frustrating, but most speed issues have simple solutions. Follow our optimization guide to maximize your eSIM performance and get the speeds you're paying for.

Test Your Current Speed

Before optimizing, measure your current connection speed to establish a baseline.

Quick Speed Fixes

Instant Solutions

1. Restart Device: Simple reboot can clear network congestion
2. Toggle Airplane Mode: On for 30 seconds, then off
3. Switch Network Type: Try 4G instead of 5G or vice versa
4. Change Location: Move to area with better signal
5. Close Apps: Stop bandwidth-heavy applications

5-Minute Fixes

1. Clear Cache: Clear browser and app caches
2. Update Apps: Ensure latest versions installed
3. Check Data Usage: Verify you haven't exceeded limits
4. Reset Network Settings: Refresh network configuration
5. Test Different Times: Avoid peak usage hours

Network Optimization

Signal Strength Optimization

Signal Indicators

Signal Improvement Tips

• Move closer to windows or outdoors
• Avoid basements and enclosed areas
• Stay away from interference sources
• Try different parts of your location
• Use Wi-Fi calling when available

Network Selection

Automatic vs Manual:

• Automatic: Device chooses best network
• Manual: You select specific carrier

To Change (iPhone):

Settings > Cellular > Network Selection

To Change (Android):

Settings > Mobile Networks > Network Operators

Network Technology

Speed Comparison:

• 5G: Up to 1+ Gbps (newest areas)
• 4G LTE: 20-100 Mbps (widely available)
• 3G: 1-10 Mbps (backup option)

Device Settings Optimization

iPhone Optimization

Key Settings to Check:

• Low Data Mode: Turn OFF for maximum speed Settings > Cellular > Cellular Data Options
• 5G Settings: Choose "5G On" or "5G Auto" Settings > Cellular > Voice & Data
• Wi-Fi Assist: Enable for seamless switching Settings > Cellular (scroll down)
• Background App Refresh: Optimize per app Settings > General > Background App Refresh

Android Optimization

Performance Settings:

• Data Saver: Turn OFF for full speed Settings > Data Usage > Data Saver
• Preferred Network: Set to "5G/4G/3G Auto" Settings > Mobile Networks
• Adaptive Connectivity: Enable if available Settings > Network & Internet
• Developer Options: "Mobile data always active" Developer Options (if enabled)

Settings That Slow You Down

Speed Limiters:

• Low Data Mode (iPhone)
• Data Saver (Android)
• Battery Saver Mode
• VPN connections
• Ad blockers (some)

Bandwidth Hogs:

• Cloud backup services
• Video streaming in background
• Large app updates
• File syncing services
• Multiple video calls

Background App Management

Identify Bandwidth-Heavy Apps

iPhone Data Usage Check

1. Settings > Cellular
2. Scroll down to see app usage
3. Review data consumption per app
4. Disable cellular for heavy users
5. Reset statistics to track current usage

Android Data Usage Check

1. Settings > Network & Internet > Data Usage
2. Tap "Mobile data usage"
3. Review app data consumption
4. Restrict background data for heavy apps
5. Set data limits if needed

Apps to Restrict

• • Video streaming (Netflix, YouTube)
• • Social media with auto-play
• • Cloud storage sync
• • Music streaming
• • News apps with video

Pause When Needed

• • App updates
• • System backups
• • Photo uploads
• • File downloads
• • Game updates

Optimize Settings

• • Set video quality to 720p
• • Disable auto-play videos
• • Use Wi-Fi for large downloads
• • Schedule backups for Wi-Fi
• • Enable data compression

Advanced Speed Optimization

Fast DNS Servers:

• Cloudflare: 1.1.1.1, 1.0.0.1
• Google: 8.8.8.8, 8.8.4.4
• Quad9: 9.9.9.9, 149.112.112.112

To Change DNS (iPhone): Settings > Wi-Fi > (i) > Configure DNS > Manual

To Change DNS (Android): Settings > Network & Internet > Private DNS

APN Settings for Speed:

• APN Type: Ensure "default,supl" is included
• APN Protocol: IPv4/IPv6 (dual stack)
• Bearer: LTE (for 4G) or NR (for 5G)
• MTU Size: Try 1440 or 1500

Enable Carrier Aggregation:

Carrier Aggregation combines multiple frequency bands for higher speeds.

• iPhone: Usually enabled automatically
• Android: Settings > Mobile Networks > Advanced
• Look for "Enhanced 4G LTE" or "VoLTE" options
• Enable "LTE Carrier Aggregation" if available

Speed Expectations & Benchmarks

Speed Factors

• Time of Day: Peak hours (7-9 PM) slower
• Location: Urban vs rural coverage
• Weather: Rain can affect signals
• Network Load: Congestion in busy areas
• Device Age: Newer devices support faster speeds
• Plan Throttling: Speed caps after data limits

Realistic Speed Expectations

Excellent Performance

• 50+ Mbps download
• 10+ Mbps upload
• Low latency (<50ms)
• Consistent performance

Good Performance

• 20-50 Mbps download
• 5-10 Mbps upload
• Moderate latency (50-100ms)
• Occasional slowdowns

Needs Improvement

• <10 Mbps download
• <2 Mbps upload
• High latency (>100ms)
• Frequent interruptions

Speed Troubleshooting Checklist

Systematic Troubleshooting Approach

Diagnosis Steps

1. Baseline Test: Test speed on Wi-Fi first
2. eSIM Test: Switch to eSIM and test again
3. Signal Check: Verify 3+ bars signal strength
4. Network Type: Confirm 4G/5G connection
5. Location Test: Try different locations
6. Time Test: Test at off-peak hours
7. App Test: Close all background apps
8. Restart Test: Reboot and test again

Resolution Checklist

Speed Monitoring Tools

Mobile Apps

What to Monitor

• Download Speed: Most important for browsing
• Upload Speed: Important for video calls
• Ping/Latency: Critical for gaming
• Jitter: Stability of connection
• Packet Loss: Connection reliability

Speed Test Best Practices

Do This

• Close all other apps before testing
• Test multiple times and average results
• Test at different times of day
• Test from different locations
• Use multiple speed test services
• Record signal strength during tests

Avoid This

• Testing with other apps running
• Testing only once and assuming that's normal
• Testing only during peak hours
• Testing from poor signal areas only
• Comparing different carriers unfairly
• Ignoring network congestion factors

Still Experiencing Slow Speeds?

When to Contact Support

If you've tried all optimization steps and still experience consistently slow speeds, it may be time to contact support.

Contact Support If:

• Speeds are consistently under 5 Mbps with good signal
• Speeds are significantly slower than advertised
• You've tried all troubleshooting steps
• Issue persists across multiple devices
• Problem occurs in areas with known good coverage

Information to Provide:

• Speed test results (multiple tests)
• Signal strength during tests
• Device model and OS version
• Time and location of tests
• Troubleshooting steps attempted

Related Articles

Connection Issues

Solve general eSIM connectivity problems

Network Coverage

Understanding network coverage and quality

Data Management

Optimize data usage and monitor consumption