If you want to disable the Development Mode in Outlook, you have to change the Value Data of developertools Value from 1 to 0. This action will permanently disable the Developer Mode.

Correction May 21, 2021: A previous version of this story said the only way to disable Developer Mode was to factory reset your phone, but there is an on-off toggle switch.

Want to re-enable OS verification and disable Developer Mode? You can repeat steps 1-7, above, but instead of “Confirm Disabling OS Verification” you should see an option that says “Enable ...

Enable Developer Mode on RealMe 6i The Developer Options are hidden by default as some of them may affect your phone’s overall performance and responsiveness when enabled or changed.