Hi Derek turn off a phone to airplane mode disconnects all WiFi and Bluetooth and is important turn off your brightness down leave a phone charge to full now she is not using a phone reduce a brightness and if possible all notifications and app on the baground that is not in use Good luck
Hi Saeed if is Lenovo tB then you need hardware reset: (1) Switch off the tablet. (2) Press and hold at the same time Volume UP and Power keys. (3) When the System Recovery screen appears use the Volume Up/Down keys for navigation and the Power On key for OK. (4) Choose "wipe data / factory reset", "Yes -- delete all user data", "reboot system now". Good luck
Hi christophgabl try to uninstall all iTunes and restart your pc then install new one and see if is okay otherwise iTunes error 50 is a commont '''can't connect to its database server which prevent you from accessing your library and syncing data, also occurs when you try to download from iTunes Store. ... Corrupted iTunes'''registry on your Window
Hi lesirepetro just change all full screen included a home button and plug it to your pc by holding a power+home button for 15 second and release a power button and keep holding a home button then follow iTunes instructions Good Luck
Hi Salome Plug your iPhone to your PC and open iTunes Hold a power+home button on the same time than wait 15 second and release the power button and keep holding the home button until iTunes pop up then follow the instructions Good luck
Hi you can plug-in wall and leave it for 35 minute Even your power button is broken just leave it plug Now if is not power on switch on your Pc before you connect your iPad open iTunes then connect to your Pc and leave it about 20 minutes Good luck
Hello Try to update and if not resolved do hard reset everything will be back to factory but don’t forget to backup in case you have important file Good luck