After updating with latest android version few apps and few settings are not working properly. Apps are getting closed just after launching. Wi fi settings, if any sign in required for any connection, it is not going to that page or next option. Most the apps are behaving like this. If anyone have Follow this guide to know How to Enter Into Recovery Mode On Samsung Galaxy C9 Pro. Like all other Android devices, the new Samsung Galaxy C9 Pro also comes with a stock recovery. The stock recovery has very limited functions. Most of the time stock recovery is used to install the official update via ADB sideload and to factory reset the device. Turn off the device. Press and hold the following three buttons at the same time: Volume Up key, Home key, and Power key. When the phone vibrates, release the Power key but continue to press and Download, install and launch the Android Toolkit on Windows 10/8/7/XP computer, then click “ Repair ” go to it’s Android system fixing function. Step 2. Connect Samsung Phone to Computer. Connect your black screen Samsung Galaxy phone to the computer with USB cable. Click the “ Android Repair ” among the 3 options. Turn the device off. 2. Press and hold the Power key past the model name screen. 3. When "SAMSUNG" appears on the screen, release the Power key. 4. Immediately after releasing the Power key, press and hold the Volume down key. 5. Continue to hold the Volume down key until the device finishes restarting. 0G567U.

samsung c9 pro restart problem