In touch screen mobiles it can be software problem also if touch is not working well.To solve these problems try the following steps.
Charge mobile phone battery, Make backup of your impotent contacts data and media files if possible and in most cases take out SIM and SD card.
After reset of Nokia E7 you will lose all the data and it will be impossible to get it back.so online backup is always important. Try to save all your data, backup on external device or hard drive.
So lets start the Nokia E7 Restore Factory, Nokia E7 Hard Reset.
Turn Off the mobile phone for few mints.
Make it Power On
Press menu button > Settings > Phone > Phone management > Factory settings > Delete data and restore > YES
You can format your device by typing *#7370# in standby mode. Before the device is reset, you need to provide the lock code. The default lock code is 12345.
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