Guides
Dumber Mini SAR information and EU Declaration ...
Maximum SAR values (10g) of Dumber Mini are as follows: Head 0.667 W/kg Body 0.678 W/kg See detailed SAR test report. See EU Declaration of Conformity
Dumber Mini SAR information and EU Declaration ...
Maximum SAR values (10g) of Dumber Mini are as follows: Head 0.667 W/kg Body 0.678 W/kg See detailed SAR test report. See EU Declaration of Conformity
Use App Blocker to block unwanted apps
Dumber OS features a simple parental control menu, which can be used to hide and disable any app, as well as prevent app installation. Go to Settings->App Blocker. You can...
Use App Blocker to block unwanted apps
Dumber OS features a simple parental control menu, which can be used to hide and disable any app, as well as prevent app installation. Go to Settings->App Blocker. You can...
Decide whether you want to go Google-free
Dumber OS is available in two variants: one with the Google Play Store and apps, and one without. Both support all standard functionality of the device, such as calls, texting,...
Decide whether you want to go Google-free
Dumber OS is available in two variants: one with the Google Play Store and apps, and one without. Both support all standard functionality of the device, such as calls, texting,...
Use the keys like a Pro
In addition to offering a regular Android experience through the touchscreen, Dumber OS phones come with 21 hardware keys that can be used for faster and more convenient navigation. Basic...
Use the keys like a Pro
In addition to offering a regular Android experience through the touchscreen, Dumber OS phones come with 21 hardware keys that can be used for faster and more convenient navigation. Basic...
Install Dumber OS yourself on a compatible device
It is of utmost importance you do a backup before attempting this process. It is very easy to completely and irreversibly brick your device - even we cannot save them...
Install Dumber OS yourself on a compatible device
It is of utmost importance you do a backup before attempting this process. It is very easy to completely and irreversibly brick your device - even we cannot save them...
Learn about Dumber OS development
Work on Dumber OS started in April 2025 to improve software support on the popular keypad phone Qin F21 pro. It was known as Dumbdroid until March 2026. Support for...
Learn about Dumber OS development
Work on Dumber OS started in April 2025 to improve software support on the popular keypad phone Qin F21 pro. It was known as Dumbdroid until March 2026. Support for...