You can perform hard reset when your applications/device are not working properly. ALT+DELETE+RIGHT SHIFT. But this time you will have to use it twice. The screen will go blank and the device will boot. Immediately press ALT+DELETE+RIGHT SHIFT, you should get a blank screen followed by an hourglass. Cara Factory reset BB Z10 mudah dan aman. Cara factory reset ini lebih simple jika dibandingkan 2 trik diatas karena memang pada settingan ponsel terdapat menu untuk melakukannya, oke pertama masuk ke menu option pada home screen HP BB Z10 anda. Jika sudah masuk menu Option maka cari dan klik opsi Security setelah diklik akan muncul opsi lain dear friend, had once the same issue, i had to put the device on my hand display down, and with your thumb hit the blackberry logo 3 times and the sound start working fine. also in the settings>notifications> one tie had to put in off the vibrate and the sounds work again Factory Reset BLACKBERRY DTEK60 from Settings. In the first step power off the smartphone. Afterwards go to Settings and then find and tap Backup & Reset. After that, select Factory Data Reset. Then select Reset Phone and if you are prompted to enter in their code in order to proceed. Finally, choose Erase Everything if you are sure you want to Factory Reset 1. Open the Options on your home screen. Performing a factory reset, or security wipe, will remove all of your personal 2. Select Security Settings. In the Security Settings menu, select Security Wipe. 3. Choose what you want erased. Check the boxes for each of the items that you How to hard reset BLACKBERRY 9105 Pearl 3G. Power on the cell phone. Now go to Options -> Security -> General Settings -> Wipe handheld. Then type the word BlackBerry. Next your phone will reboots and resets. With the device powered off, press and hold the buttons until you see the screen light up. We're now in Recovery Mode. Use the volume buttons to highlight "Wipe Data/Factory Reset" and press the Power button to select it. Use the volume buttons again to highlight "Factory Data Reset" and press the Power button to confirm. Make sure that all your files such as photos and videos are on external memory (like an SD memory card) Search for some applications on Google Play Store which may be useful to upgrade your BLACKBERRY Z10 performance (for example an antivirus app, startup manager, app cache cleaner). Applications that you do not use should be uninstalled. If you have a Z10: If you have the STL100-1 variant the volume button reset method doesn't work. In that case, Press and HOLD the Power On Button until you see the LOGO as above 03-25-15 06:24 PM How to reprogram BLACKBERRY Priv by inserting new SIM Card: Turn off BLACKBERRY Priv, you can check how do that here. Eject SIM Card tray and pull out old SIM Card, check how to do this on BLACKBERRY Priv here. Install new SIM Card and put SIM Card tray back into BLACKBERRY Priv. Turn on BLACKBERRY Priv and phone will automatically download new 7XJP.