However, with so many options available in the market, choosing the right card holder case for your OPPO Neo 7 can be a daunting task. In this article, we will guide you through the process of selecting the best card holder case for OPPO Neo 7, taking into consideration the different factors that can affect your decision. Introduction: At the very beginning unlock your OPPO smartphone and enter Settings. In the next step, select About Phone and get into advanced settings of your OPPO Neo 7. Afterward, scroll the list and tap a couple of times on the Version to enable developer settings. At the very beginning open the Main Menu by tapping Apps icon. In the next step find and selec Settings. Then select Applications and opent Application Manager. From the All apps list select the application that you want do enable and select it. After that tap on Enable button. Good job! Factory reset the OPPO Neo using recovery mode. If you are unable to access the phone's settings, you can try factory resetting the OPPO Neo using recovery mode. To do this, you will need to enter the recovery mode and select the "wipe data/factory reset" option. To enter recovery mode on an OPPO Neo, you will need to: Turn off the phone. pyP182.