I cannot open mail attachments on my iPhone 4S.  I have reset it 3 times and lost Bluetooth once, but at least it's back on.

I cannot open mail attachments on my iPhone 4S.  I have reset 3 times and actually lost Bluetooth once, but at least that's back on now.

Try to set it up as new device, explained here:
How to back up your data and set up as a new device
First without using the backup, in case it contains corrupt data.
If it works after that, use the backup to restore from.

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    1/2/2558 BE 7:14:27.596 PM Mail[941]: (
      0   CoreFoundation                      0x0000000111c5764c __exceptionPreprocess + 172
      1   libobjc.A.dylib                     0x000000010ffe26de objc_exception_throw + 43
      2   CoreFoundation                      0x0000000111c5742a +[NSException raise:format:arguments:] + 106
      3   Foundation                          0x000000010fb435b9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
      4   Mail                                0x000000010f402f5c -[MFMailAccount mailboxForRelativePath:isFilesystemPath:create:] + 251
      5   Mail                                0x000000010f360404 -[MFIMAPAccount mailboxForRelativePath:isFilesystemPath:create:] + 491
      6   Mail                                0x000000010f404696 +[MFMailAccount mailboxForURL:forceCreation:syncableURL:] + 473
      7   Mail                                0x000000010f41b168 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke_2 + 68
      8   CoreFoundation                      0x0000000111b81ea6 __65-[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:]_block_invoke + 102
      9   CoreFoundation                      0x0000000111b81db9 -[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:] + 217
      10  Mail                                0x000000010f41b0b6 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke + 275
      11  Foundation                          0x000000010fb8d2e8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 7
      12  Foundation                          0x000000010fa79905 -[NSBlockOperation main] + 97
      13  Foundation                          0x000000010fa5859c -[__NSOperationInternal _start:] + 653
      14  Foundation                          0x000000010fa581a3 __NSOQSchedule_f + 184
      15  libdispatch.dylib                   0x0000000113ad5c13 _dispatch_client_callout + 8
      16  libdispatch.dylib                   0x0000000113ad9365 _dispatch_queue_drain + 1100
      17  libdispatch.dylib                   0x0000000113adaecc _dispatch_queue_invoke + 202
      18  libdispatch.dylib                   0x0000000113ad86b7 _dispatch_root_queue_drain + 463
      19  libdispatch.dylib                   0x0000000113ae6fe4 _dispatch_worker_thread3 + 91
      20  libsystem_pthread.dylib             0x0000000113e136cb _pthread_wqthread + 729
      21  libsystem_pthread.dylib             0x0000000113e114a1 start_wqthread + 13
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      0   CoreFoundation                      0x0000000111c5764c __exceptionPreprocess + 172
      1   libobjc.A.dylib                     0x000000010ffe26de objc_exception_throw + 43
      2   CoreFoundation                      0x0000000111c5742a +[NSException raise:format:arguments:] + 106
      3   Foundation                          0x000000010fb435b9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
      4   Mail                                0x000000010f402f5c -[MFMailAccount mailboxForRelativePath:isFilesystemPath:create:] + 251
      5   Mail                                0x000000010f360404 -[MFIMAPAccount mailboxForRelativePath:isFilesystemPath:create:] + 491
      6   Mail                                0x000000010f404696 +[MFMailAccount mailboxForURL:forceCreation:syncableURL:] + 473
      7   Mail                                0x000000010f41b168 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke_2 + 68
      8   CoreFoundation                      0x0000000111b81ea6 __65-[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:]_block_invoke + 102
      9   CoreFoundation                      0x0000000111b81db9 -[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:] + 217
      10  Mail                                0x000000010f41b0b6 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke + 275
      11  Foundation                          0x000000010fb8d2e8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 7
      12  Foundation                          0x000000010fa79905 -[NSBlockOperation main] + 97
      13  Foundation                          0x000000010fa5859c -[__NSOperationInternal _start:] + 653
      14  Foundation                          0x000000010fa581a3 __NSOQSchedule_f + 184
      15  libdispatch.dylib                   0x0000000113ad5c13 _dispatch_client_callout + 8
      16  libdispatch.dylib                   0x0000000113ad9365 _dispatch_queue_drain + 1100
      17  libdispatch.dylib                   0x0000000113adaecc _dispatch_queue_invoke + 202
      18  libdispatch.dylib                   0x0000000113ad86b7 _dispatch_root_queue_drain + 463
      19  libdispatch.dylib                   0x0000000113ae6fe4 _dispatch_worker_thread3 + 91
      20  libsystem_pthread.dylib             0x0000000113e136cb _pthread_wqthread + 729
      21  libsystem_pthread.dylib             0x0000000113e114a1 start_wqthread + 13
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    1/2/2558 BE 7:15:01.577 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.586 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.594 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.602 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.610 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.626 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.633 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.641 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.665 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
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    1/2/2558 BE 7:15:01.682 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
    1/2/2558 BE 7:15:01.689 PM hidd[72]: IOHIDEventQueue unable to get policy for event of type 11. (e00002e8)
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    1/2/2558 BE 7:15:19.767 PM bird[859]: Assertion failed: ![_xpcClients containsObject:client]
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    1/2/2558 BE 7:15:25.819 PM Mail[951]: An uncaught exception was raised
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    1/2/2558 BE 7:15:25.820 PM Mail[951]: (
      0   CoreFoundation                      0x0000000111d3164c __exceptionPreprocess + 172
      1   libobjc.A.dylib                     0x00000001100c96de objc_exception_throw + 43
      2   CoreFoundation                      0x0000000111d3142a +[NSException raise:format:arguments:] + 106
      3   Foundation                          0x000000010fc285b9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
      4   Mail                                0x000000010f4e2f5c -[MFMailAccount mailboxForRelativePath:isFilesystemPath:create:] + 251
      5   Mail                                0x000000010f440404 -[MFIMAPAccount mailboxForRelativePath:isFilesystemPath:create:] + 491
      6   Mail                                0x000000010f4e4696 +[MFMailAccount mailboxForURL:forceCreation:syncableURL:] + 473
      7   Mail                                0x000000010f4fb168 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke_2 + 68
      8   CoreFoundation                      0x0000000111c5bea6 __65-[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:]_block_invoke + 102
      9   CoreFoundation                      0x0000000111c5bdb9 -[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:] + 217
      10  Mail                                0x000000010f4fb0b6 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke + 275
      11  Foundation                          0x000000010fc722e8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 7
      12  Foundation                          0x000000010fb5e905 -[NSBlockOperation main] + 97
      13  Foundation                          0x000000010fb3d59c -[__NSOperationInternal _start:] + 653
      14  Foundation                          0x000000010fb3d1a3 __NSOQSchedule_f + 184
      15  libdispatch.dylib                   0x0000000113bbac13 _dispatch_client_callout + 8
      16  libdispatch.dylib                   0x0000000113bbe365 _dispatch_queue_drain + 1100
      17  libdispatch.dylib                   0x0000000113bbfecc _dispatch_queue_invoke + 202
      18  libdispatch.dylib                   0x0000000113bbd6b7 _dispatch_root_queue_drain + 463
      19  libdispatch.dylib                   0x0000000113bcbfe4 _dispatch_worker_thread3 + 91
      20  libsystem_pthread.dylib             0x0000000113f0f6cb _pthread_wqthread + 729
      21  libsystem_pthread.dylib             0x0000000113f0d4a1 start_wqthread + 13
    1/2/2558 BE 7:15:25.821 PM Mail[951]: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Absolute path passed into -[MFIMAPAccount mailboxForRelativePath:isFilesystemPath:create:]: /็Homeworks'
    *** First throw call stack:
      0   CoreFoundation                      0x0000000111d3164c __exceptionPreprocess + 172
      1   libobjc.A.dylib                     0x00000001100c96de objc_exception_throw + 43
      2   CoreFoundation                      0x0000000111d3142a +[NSException raise:format:arguments:] + 106
      3   Foundation                          0x000000010fc285b9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
      4   Mail                                0x000000010f4e2f5c -[MFMailAccount mailboxForRelativePath:isFilesystemPath:create:] + 251
      5   Mail                                0x000000010f440404 -[MFIMAPAccount mailboxForRelativePath:isFilesystemPath:create:] + 491
      6   Mail                                0x000000010f4e4696 +[MFMailAccount mailboxForURL:forceCreation:syncableURL:] + 473
      7   Mail                                0x000000010f4fb168 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke_2 + 68
      8   CoreFoundation                      0x0000000111c5bea6 __65-[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:]_block_invoke + 102
      9   CoreFoundation                      0x0000000111c5bdb9 -[__NSDictionaryM enumerateKeysAndObjectsWithOptions:usingBlock:] + 217
      10  Mail                                0x000000010f4fb0b6 __43+[MFMailbox queueUpdateCountsForMailboxes:]_block_invoke + 275
      11  Foundation                          0x000000010fc722e8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 7
      12  Foundation                          0x000000010fb5e905 -[NSBlockOperation main] + 97
      13  Foundation                          0x000000010fb3d59c -[__NSOperationInternal _start:] + 653
      14  Foundation                          0x000000010fb3d1a3 __NSOQSchedule_f + 184
      15  libdispatch.dylib                   0x0000000113bbac13 _dispatch_client_callout + 8
      16  libdispatch.dylib                   0x0000000113bbe365 _dispatch_queue_drain + 1100
      17  libdispatch.dylib                   0x0000000113bbfecc _dispatch_queue_invoke + 202
      18  libdispatch.dylib                   0x0000000113bbd6b7 _dispatch_root_queue_drain + 463
      19  libdispatch.dylib                   0x0000000113bcbfe4 _dispatch_worker_thread3 + 91
      20  libsystem_pthread.dylib             0x0000000113f0f6cb _pthread_wqthread + 729
      21  libsystem_pthread.dylib             0x0000000113f0d4a1 start_wqthread + 13
    1/2/2558 BE 7:15:26.815 PM com.apple.xpc.launchd[1]: (com.apple.mail.52288[951]) Service exited due to signal: Abort trap: 6
    1/2/2558 BE 7:15:26.892 PM ReportCrash[947]: Saved crash report for Mail[951] version 8.1 (1993) to /Users/kulanak/Library/Logs/DiagnosticReports/Mail_2015-01-02-191526_apples-mac book-pro-3.crash
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