There are a few potential causes for a black screen on a TECNO Camon C9, and several potential solutions you can try. Here are some things to try: Unpack and open the folder. Then let’s launch the Samsung HARD Downloader. The app should show you the information about your firmware. In order to save the software select the DOWNLOAD button and choose the desired location. Wait until download end, next unpack firmware by 7zip or any other packer. Great work, you are ready for to next part By pressing a few buttons of the device, you can hard reset your phone within 10 seconds to 20 minutes. However, a hard reset will remove screen lock, password, pattern lock, or PIN from your Samsung Galaxy C9 Pro; it will wipe all data and user info too. To unlock Samsung Galaxy C9 Pro with the hard reset, follow the steps below. Step 1 How to hard reset SAMSUNG Galaxy C9 Pro Frist of all, turn off the cell phone by pressing the Power button. Afterwards press and hold together: Volume Up + Home + Power key for a couple of seconds. Release held keys as soon as you can see the Samsung logo. Then select from Recovery Mode menu "wipe The following tutorial shows all method of master reset LEMONDA C9. Check out how to accomplish Hard Reset by hardware keys and Android settings. As a result your LEMONDA C9 will be as new and your NRF52832 core will run faster. TECNO Camon C9 manage auto-updates. Auto-updates could be a good thing or a bad thing. Sometimes we wish not to waste our precious data transfer on some not important updates. Other times, we need the newest version of a certain app asap. How to hard reset TCL C5. In the first step turn off the smartphone by holding the Power button for a few seconds. After that start pressing Volume Up and Power keys for a few seconds. Let go of all keys when Recovery Mode shows up. Now use Volume buttons to select Wipe data/factory reset and click the Power key. Go to the Wipe Data / Factory Reset option using the Volume Down and click the Power button to accept it. Go to Yes –Delete All User Data using Volume Down and click Power button to continue. After the process finishes, go to Reboot System Now and click Power button. Your device will restart and Meizu C9 factory reset process will be completed. TECNO C9. Hard Reset. TECNO Camon 15 Pro. Hard Reset. TECNO Pop 3. Hard Reset. TECNO Spark 4 Lite. Hard Reset. TECNO Phantom 6 How to reset SAMSUNG Galaxy Tab How to hard reset Samsung C9 Pro (SM-C9000, SM-C900F). Remove Pin, Pattern, Password Lock. Soft Repair 23.7K subscribers Subscribe 40 Share Save 5.9K views 1 year ago WARNING! Before 6qMi.