Issue Possible Cause & SolutionThe display goes dark whileregistering or editinginformation.• You have not performed any operations for a certain length of time.→ If no operations are performed for a certain length of time, thescreen saver will automatically start.Nothing happens when Itouch the display.• A protective film is covering the display.→ Remove any film from the display.• The display is dirty.→ Clean the display.I cannot open an e-mailattachment.• The file may be an unsupported type, or the data may be corrupt.→ Save the attachment to an SD card, and then try opening it in theGallery application. If the attachment still does not open, tryopening it on a computer.(For details about saving an attachment to an SD card, seepage 83. For details about displaying an image in Gallery, seepage 86.)• The e-mail account is an IMAP account.→ If the e-mail account’s type is IMAP, attachments larger than 4 MBcannot be opened. Either use an account that uses POP3, orregister the account again using POP3 as the account type(Page 84).The Music application quitsunexpectedly when I try toopen a file.• The file may be an unsupported type, or the data may be corrupt.→ Try playing back the file stored on the SD card on a computer orother device.The Gallery application quitsunexpectedly when I try toopen a file.• The file may be an unsupported type, or the data may be corrupt.→ Try viewing the file stored on the SD card on a computer or otherdevice.The times listed in theincoming call log or the timeslisted on sent e-mails are notcorrect.• The date and time are not set.→ Set the date and time (Page 125).Making and Receiving CallsIssue Possible Cause & SolutionI cannot make calls.• The phone number was entered incorrectly.→ Confirm that you have entered the phone number of the other partycorrectly (Page 51).If the problem is not resolved, contact your administrator or dealer.I cannot redial by selecting anentry in a call log.• The number you are trying to redial is too long.→ If the dialled number is longer than 32 digits, it cannot be redialledcorrectly (Page 51).The unit does not ring when acall is received.• The ringer is turned off.→ Press while a call is being received, or change the ringervolume setting (Page 117).Document Version 2012-12 Operating Instructions 133Troubleshooting