Toforce a restart on your F9 press and hold the power button (or unlock button) for at least 8 seconds until the Oppo or Android logo appears on the screen and release the button while it turns on again. If the device still does not respond and you cannot restart it, it is possible that it is low on enough battery, in that case connect the F9 HTCDesire HD hard reset without volume buttons I have htc desire hd and my volume buttons is broken ,my phone is much dispute and have lots of bugs i want to HARD RESET no factory reset only hard reset with rebote. Please help me how to reset my HTC DHD without volume buttons!!!!sorry for my english!! Heyguys this is my first vedio so Pls if u like this vedio comment, like, and subscribe to my channel, so that you can't miss this kind of videos that are h Secondly push together these two keys: Volume Down and Power key for a short while. Release Power Button when Oppo Logo pops up. Let go of Volume Down key if you will see select language window. After that, choose the English Language. Well done, you are in expected mode. To navigate use Volume Buttons and Power Rocker to accept the chosen option. Iso you how to restart an iPhone without using the power button. So if your power button is not working or its broken you will still be able restart your iP Onyour screen, tap Restart . If you see an Android robot and the word ' Start ' with an arrow around it: Press the volume-down button until you see the option to 'Power off'. Press the power button to pick 'Power off'. Charge your phone for at least 30 minutes. Press and hold the power button for a few seconds. .

how to restart oppo neo 7 without power button