update iPhone 6 plus to iOS 8.3 return error (14)

Hi

Can't update iPhone 6 plus to iOS 8.3 error 14

Please help!!!!!!!

00:20:55.2148] <Restore Device 0x7f987ceb7e40>: operation 13 progress 98

[00:20:55.2186] ASR progress: Sending payload

[00:20:57.3167] <Restore Device 0x7f987ceb7e40>: operation 13 progress 100

[00:20:57.3212] ASR progress: Finished

[00:20:58.5096] device returned CFError with code 14

[00:20:58.5162] dumping CFError returned by restored:

[00:20:58.5216] CFError domain:AMRestoreErrorDomain code:14 description:failed to restore image

[00:20:58.5263] Sending acknowledgement that final status was received

[00:20:58.5310] regex matching failed for '[0-9a-fA-F]{40}': 0

[00:20:58.5310]

[00:20:58.5683] Failed to create replacement string

[00:20:58.5683]

[00:20:58.5809] regex matching failed for '[0-9a-fA-F]{20}': 0

[00:20:58.5809]

[00:20:58.6133] Failed to create replacement string

[00:20:58.6133]

[00:20:58.6639] Failed to create replacement string

[00:20:58.6639]

[00:20:58.7055] Failed to create replacement string

[00:20:58.7055]

[00:20:58.7518] Failed to create replacement string

[00:20:58.7518]

[00:20:58.7896] Failed to create replacement string

[00:20:58.7896]

[00:20:58.8713] Failed to create replacement string

[00:20:58.8713]

[00:20:58.9367] Failed to create replacement string

[00:20:58.9367]

[00:20:58.9855] Failed to create replacement string

[00:20:58.9855]

[00:20:59.0234] Failed to create replacement string

[00:20:59.0234]

[00:20:59.0604] Failed to create replacement string

[00:20:59.0604]

[00:20:59.1058] Failed to create replacement string

[00:20:59.1058]

[00:20:59.1459] Failed to create replacement string

[00:20:59.1459]

[00:20:59.1923] Failed to create replacement string

[00:20:59.1923]

[00:20:59.2451] Failed to create replacement string

[00:20:59.2451]

[00:20:59.2720] regex matching failed for 'MLBNumber[^

[00:20:59.2720] ]* [a-zA-Z0-9]{16}': 0

[00:20:59.2720]

[00:20:59.2792] regex matching failed for 'MLBNumber[^

[00:20:59.2792] ]* [a-zA-Z0-9]{16}': 0

[00:20:59.2792]

[00:20:59.3085] Failed to create replacement string

[00:20:59.3085]

[00:20:59.3384] regex matching failed for 'SerialNumber[^

[00:20:59.3384] ]* [a-zA-Z0-9]{12}': 0

[00:20:59.3384]

[00:20:59.3462] regex matching failed for 'SerialNumber[^

[00:20:59.3462] ]* [a-zA-Z0-9]{12}': 0

[00:20:59.3462]

[00:20:59.3762] Failed to create replacement string

[00:20:59.3762]

[00:21:00.4109] Restore completed, status:14

[00:21:00.4109] Failure Description:

[00:21:00.4109] Depth:0 Error:AMRestorePerformRestoreModeRestoreWithError failed with error: 14

[00:21:00.4109] Depth:1 Error:The operation couldn’t be completed. (AMRestoreErrorDomain error 14 - Failed to handle message type StatusMsg)

[00:21:00.4109] Depth:2 Error:The operation couldn’t be completed. (AMRestoreErrorDomain error 14 - failed to restore image)