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Amazing app. People are giving 1 star because we can enable these via developer option. But I guess it was meant to act as shortcut icon. Switching color mode to grayscale is just tap on icon. No need to go to developer option again and again.
★★★★★stoeren ungeheuer· Feb 18, 2023
This is perfect! No root required, just connect to a pc with adb installed and give permission via copied command. Thanks!
★★★★★Sigve Hølleland· Aug 19, 2019
Works like it should. PS. Powershell works to, just member to type.\ before each command. Like so: .\adb shell pm grant com.fei_ke.grayscale android.permission.WRITE_SECURE_SETTINGS
★★★★★Paul d'Poulpe· May 7, 2020
Nice app. With one-touch to enable/disable, it's much more convenient than gray-switch. It probably should mention in the help text that it's a shortcut to the service in the Developer Options.
★☆☆☆☆JEEVAN KUMAR· Jan 24, 2023
Why Root...I just turn on bedtime, and it's gray ...but I have to then turn of DND.that's why I downloaded this.
★☆☆☆☆Simon Waters· Apr 16, 2020
I have no intention of: 1 downloading other programs to make this one work; 2 or rooting my devices; 3 or modifying any code, albeit written for me. The app should be complete and not depend upon end user programming competence or rooted devices. User modified programs evidently would prove impossible to support. I feel that rooting and coding permission modifications to likely present some potential security issues for the end user. I paid good money for my phone and don't want to brick it!!
★☆☆☆☆Ronald Mitchell· Aug 25, 2019
It needs a root that would not work don't get in trust me
Google Play Rankings for Greyscale
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