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Free routine
Greyscale
Drops the screen to black and white in one tap. Much easier to read in the dark, far less harsh on your eyes, and a genuinely better way to read long articles or books on a phone.
- Trigger: manual
- Greyscale on
- Home screen widget
- One tap to toggle
Scan with Routines+
QR placeholder — add the exported code
- Install Good Lock from the Galaxy Store, then open it and add the Routines+ module.
- Open Routines+ and tap Import › Scan QR code.
- Point it at the code above. The routine is added, ready to use.
Import the file
- Download the file above to your Galaxy phone.
- Open Routines+ (Good Lock) and tap Import › From file, then pick greyscale.rtn.
- Tap Save, then add it to your Home screen as a widget for one-tap access.
Opening a
.rtn file needs the
Routines+ module. Without Good Lock, use the Build it tab —
this one takes about two minutes by hand.Build it yourself
Settings › Modes and Routines › Routines tab › +.
- If › Manual › Start manually. The routine then runs only when you tap it — no automatic trigger.
- Then › Display › Greyscale › On.
- Name it Greyscale, choose an icon, tap Save.
- Put it on your Home screen. Long-press an empty spot › Widgets › Modes and Routines › drag the routine widget out. Tap once to go greyscale, tap again to turn it off.