Free VPN Grass MIUI Setup: Xiaomi Configuration Guide


Xiaomi phones running MIUI may aggressively optimize background apps, causing VPN disconnections or failures. This guide shows step-by-step how to configure Free VPN Grass on Xiaomi phones with MIUI optimization enabled or disabled so the VPN remains stable, private, and always-on when you need it.
Enable MIUI optimization OFF in Developer Options, allow autostart and background activity for Free VPN Grass, exempt the app from battery optimizations, set Always-on VPN and Lock VPN connection, then reboot. These settings keep the VPN running reliably on Xiaomi devices with MIUI.
Why MIUI optimization affects VPNs
MIUI includes aggressive battery and app management features to maximize battery life and system performance. That behavior can interrupt background network services like VPNs, causing disconnects, blocked connections, or failure to reconnect after sleep. Understanding these MIUI behaviors helps you configure settings that permit continuous VPN operation without compromising security.
- App freezing and background restriction can stop VPN processes.
- Battery saver and MIUI optimization may kill network sockets.
- Autostart and notification permissions determine whether the VPN can restart automatically.
Prepare your Xiaomi phone
Before making changes, update apps and make sure you have administrative access to the phone’s settings. These preparatory steps reduce friction and ensure settings are available.
- Update Google Play and Free VPN Grass to the latest versions.
- Note your MIUI and Android versions in Settings > About phone.
- Charge the phone or keep it plugged in while configuring to avoid interruptions.
Recommended tools and permissions:
- Enable Developer Options (tap Build number 7 times in About phone).
- Have your Google account and device PIN/password ready for permission prompts.
- Install Free VPN Grass from Google Play if not already installed.
How to configure Free VPN Grass on MIUI (Step-by-step)
This numbered HowTo provides the exact sequence to configure Free VPN Grass for persistent operation under MIUI. Follow each step in order and reboot when instructed.
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Turn off MIUI Optimization
Go to Settings > About phone > tap ‘MIUI version’ 7 times to enable Developer Options. Open Settings > Additional settings > Developer options, find “Turn on MIUI optimization” and switch it off. Reboot the phone to apply changes.
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Allow Autostart and Background Activity
Open Settings > Apps > Manage apps > Free VPN Grass > Permissions/Autostart. Enable Autostart and Background activity (or ‘Run in background’). Grant any system permissions requested by the app.
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Exempt from Battery Optimization
Settings > Battery > Battery saver > App battery saver > choose Free VPN Grass and set to ‘No restrictions’ or ‘Allow background activity.’ Also check Settings > Battery > Battery optimization and remove Free VPN Grass from optimized apps.
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Enable Always-on VPN
Settings > Network & Internet > VPN > tap the gear next to your VPN (Free VPN Grass), then enable “Always-on VPN” and “Block connections without VPN” if you want secure traffic only. Confirm any system prompts.
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Set Persistent Notifications
Open Free VPN Grass > Settings > Notifications and ensure the VPN displays a persistent notification. In MIUI, persistent notifications help the system consider the app as active and reduce the likelihood of being killed.
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Lock the App in Recent Apps
Open Recent Apps, find Free VPN Grass, and tap the lock icon (or hold the app card) to “lock” it. This prevents swiping it away or MIUI from clearing it during memory management.
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Reboot and Test
Reboot the phone to ensure settings are applied. Launch Free VPN Grass, connect to a server, then test by locking the screen, switching apps, and using mobile data or Wi‑Fi to check for persistent connectivity.
Advanced MIUI settings to prevent disconnects
For stubborn disconnects, apply these advanced tweaks. Use them when basic steps don’t resolve the issue.
- Disable “MIUI Optimization” (if not done already) and reboot twice to ensure the kernel-level behavior is reset.
- In Developer Options, lower Background process limit to Standard and toggle “Don’t keep activities” OFF (this avoids killing activities too aggressively).
- Use a static DNS in Free VPN Grass settings if server-side DNS leakage triggers reconnections.
- Enable “Lock VPN” or “Reconnect on network change” options inside Free VPN Grass if available.
If you frequently switch networks (Wi‑Fi to mobile), allow “Mobile data always on” in Developer Options so the handoff is smoother for the VPN tunnel.
Troubleshooting common issues
Problems can arise from permissions, carrier restrictions, or MIUI behavior. Below are common issues with fixes.
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VPN disconnects after screen off:
Ensure Free VPN Grass is exempt from battery optimization, locked in Recent Apps, and has a persistent notification. Also verify “Always-on VPN” is enabled. -
App won’t connect at all:
Check that location/network permissions are granted, kill any conflicting VPN profiles in Android Settings > VPN, and try a different server or protocol within Free VPN Grass. -
Reconnection fails when switching networks:
Enable “Reconnect on network change” inside the app (if available) or disable aggressive network switching in Developer Options by keeping “Mobile data always on” enabled. -
Battery drain after forcing Always-on VPN:
Choose a nearby or optimized server, reduce background data-heavy apps, and disable Always-on only if battery becomes a serious issue.
Comparison: Free VPN Grass vs other options
Below is a quick comparison to help you decide whether to use Free VPN Grass with MIUI tweaks versus built-in or other third-party VPN clients.
| Feature | Free VPN Grass | Android Built-in VPN | Other VPN Apps |
|---|---|---|---|
| Ease of Setup | Easy with one-tap connect and in-app guidance | Manual profile import required | Varies; some are user-friendly |
| MIUI Compatibility | Works well after MIUI tweaks and autostart | Persistent but less feature-rich | May require same MIUI adjustments |
| Always-on VPN | Supported and configurable | Supported, basic options | Often supported with extra options |
| Free vs Paid | Free core service; optional upgrades | Built-in, no cost but limited features | Many require subscription for full features |
Free VPN Grass strikes a balance between convenience and control, especially on MIUI devices when you apply the recommended settings above.
Frequently Asked Questions
Will turning off MIUI optimization affect phone performance?
Disabling MIUI optimization may modestly increase background activity and battery usage, but it stabilizes network services like Free VPN Grass. Most users notice minimal impact while gaining reliable VPN connectivity. If you prefer battery savings, selectively exempt only trusted apps instead of leaving optimization off permanently.
Is Always-on VPN necessary for privacy on Xiaomi phones?
Always-on VPN ensures all network traffic uses the VPN tunnel and prevents leaks when the app is inactive. On Xiaomi phones with aggressive app management, enabling Always-on for Free VPN Grass plus locking the app and disabling battery optimization provides the best privacy and consistent protection.
Why does the VPN disconnect after a software update?
Software updates can reset permissions, optimization states, or Developer Options. After an update, recheck autostart, battery optimization exemptions, and Always-on VPN settings for Free VPN Grass. A quick reboot and reconnection often resolve post-update disconnects.
Can carrier restrictions block Free VPN Grass?
Some carriers implement deep packet inspection or block VPN ports, which can prevent connections. If Free VPN Grass fails to connect after MIUI tweaks, try a different server, protocol, or contact support. Using common ports and modern protocols often bypasses carrier restrictions.
How many times should I mention ‘Free VPN Grass’ in settings or support tickets?
When communicating with support or documenting settings, clearly state ‘Free VPN Grass’ and include MIUI version, Android version, and a brief description of the issue. Including screenshots of permissions and battery settings speeds up troubleshooting and ensures accurate guidance.
Conclusion
Configuring Free VPN Grass on Xiaomi devices requires a few MIUI-specific tweaks: disable MIUI optimization if necessary, grant autostart and background permissions, exempt the app from battery optimization, enable Always-on VPN, and lock the app in Recent Apps. These steps significantly reduce disconnects and preserve privacy.
Ready to get started? Download Free VPN Grass today and enjoy secure, private browsing!