This article will explain you how to enable the Developer Mode Options on your Pepper with NaoQi 2.9 (Android) . Please note that the pictures used in this article are not from Pepper's tablet but as most of Android devices, there should not be so much differences.

To enable developer options, swipe down from the top of your device’s screen and tap the gear icon in the upper-right corner of the notification bar that displays.

Scroll to the bottom of the list of settings and tap “About device”.

In the right panel, tap “Build number” seven times.

In the right panel, tap “Build number” seven times.

Now, when you scroll down in the left panel past “About device”, the “Developer options” item is available.