KEEP LOCKD RUNNING ON SAMSUNG AND XIOMI

Some Android phones automatically stop background apps to save battery. This one-time setup prevents your phone from disabling Lockd's blocking.

Why does this happen? Samsung and Xiaomi use aggressive battery optimisation that kills background services, including the one Lockd uses to block apps. This is an OS-level restriction outside our control, but a simple one-time setting change fixes it permanently.

 

SAMSUNG

Step 1: Battery optimisation Settings → Apps → Lockd → Battery → Unrestricted

       

Step 2: Put unused apps to sleep Settings → Battery & device care → Battery → Background usage limits → Put unused apps to sleep → OFF

*Samsung may re-enable this after a firmware update. Repeat if Lockd stops working.

           

Step 3: Adaptive battery Settings → Battery & device care → Battery → More battery settings → Adaptive battery → OFF

           

Version differences, find your Android:

Android 14

Settings → Apps → Lockd → Battery → Unrestricted

Android 11/12/13

Settings → Apps → ⁝ → Special Access → Optimize battery usage → All apps → Lockd → Don't optimize

                   

Battery → Background usage limits → Put unused apps to sleep → OFF

   

           

Battery → More battery settings → Adaptive battery → OFF

   

Android 9/10

Settings → Device care → Battery → ⁝ → Settings → disable all toggles (except Notifications)

           

Sleeping apps → Remove Lockd from the list

   

Add Lockd to "Apps that won't be put to sleep"

Android 7/8

Settings → Device maintenance → Battery → Unmonitored apps → add Lockd

Android 6 and older

Settings → Applications → ⁝ → Special Access → Optimize battery usage → find Lockd → make sure it is NOT selected

 

XIOMI

Xiaomi (MIUI / HyperOS)

Step 1: Enable Autostart Security app → Permissions → Autostart → Enable Lockd

       

Step 2: Remove battery restrictions Security app → Battery → App battery saver → Lockd → No restriction

   

Step 3: Lock app in Recent Apps Open Recent apps → find Lockd → drag downward to pin it (On some phones: long-press → tap the padlock icon)

Version differences, find your Xiomi:

MIUI 14

Settings → Apps → Lockd → App permissions → Background autostart → ON

Security app → Permissions → Autostart → Enable Lockd

       

MIUI 12

Settings → Apps → Lockd → Battery saver → No restrictions

   

MIUI 11/10

Settings → Apps → Lockd → Battery saver → No restrictions

   

Settings → Advanced Settings → Battery Manager → Protected apps → add Lockd

 

Still not working? Contact us at team@trylockd.com and we'll sort it out.