What causes "Grammarly Keyboard Not Working on Android"?

Stuck background connection Battery optimization (Xiaomi, Oppo) killing background activity VPN, firewall or antivirus blocking Grammarly App added to Grammarly's Blocked apps Android older than 13 Grammarly intentionally off in financial, streaming and medical apps Low storage (under 1 GB free)

How do I fix "Grammarly Keyboard Not Working on Android"?

1. Clear cache, then data: Go to Settings > Apps > Grammarly > Storage (Storage & cache on Pixel/OnePlus) Tap Clear cache and restart the phone If still broken, tap Clear data/Clear storage and sign in again 2. Remove battery restrictions: Xiaomi: Settings > Apps > Manage apps > Grammarly > Battery saver > No restrictions Oppo: Settings > App Management > Grammarly > Battery > turn off Battery optimization 3. Test VPN, firewall and antivirus: Temporarily turn them off If Grammarly works, add it to that app's allowed list 4. Unblock the app: Open the Grammarly companion app Tap Blocked apps and switch off the toggle for the app you need 5. Free up storage: Go to Settings > Storage (Samsung: Device care > Storage) Keep at least 1 GB free 6. Reinstall: Uninstall Grammarly, restart, reinstall from Google Play

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Grammarly Keyboard Not Working on Android

Workaround available Android Updated October 21, 2026

Quick answer

When Grammarly shows on Android but gives no suggestions, a stuck background connection is the usual cause. Clear the app cache, remove battery restrictions, check VPN/firewall, and confirm the app isn't in Grammarly's Blocked apps list.

Most likely fix: Clear cache, then data.

Symptoms

Keyboard appears but never underlines, 'No connection' or 'Can't connect right now' errors, Grammarly missing in specific apps, or the phone lagging while typing.

Why it happens

Stuck background connection
Battery optimization (Xiaomi, Oppo) killing background activity
VPN, firewall or antivirus blocking Grammarly
App added to Grammarly's Blocked apps
Android older than 13
Grammarly intentionally off in financial, streaming and medical apps
Low storage (under 1 GB free)

How to fix it

Try these in order — the most common fix is first.

1. Clear cache, then data
1. Go to Settings > Apps > Grammarly > Storage (Storage & cache on Pixel/OnePlus)
2. Tap Clear cache and restart the phone
3. If still broken, tap Clear data/Clear storage and sign in again
2. Remove battery restrictions
1. Xiaomi: Settings > Apps > Manage apps > Grammarly > Battery saver > No restrictions
2. Oppo: Settings > App Management > Grammarly > Battery > turn off Battery optimization
3. Test VPN, firewall and antivirus
1. Temporarily turn them off
2. If Grammarly works, add it to that app's allowed list
4. Unblock the app
1. Open the Grammarly companion app
2. Tap Blocked apps and switch off the toggle for the app you need
5. Free up storage
1. Go to Settings > Storage (Samsung: Device care > Storage)
2. Keep at least 1 GB free
6. Reinstall
1. Uninstall Grammarly, restart, reinstall from Google Play

This guide also covers

grammarly keyboard not working android
grammarly not showing suggestions android
grammarly android lag
grammarly can't connect right now

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