Digital Voice Recorders

We will update the firmware of your IC recorder ICD-UX91F at our designated location. If you have ICD-UX91F, please contact Sony Service Centre.

Please read carefully the following instructions.

Target product
The followings is the target product of this service.

• ICD-UX91F
  (The symptoms mentioned below do not occur when you are using ICD-UX71/UX81/UX71F/UX81F.)

Please confirm the Model
The model name can be found on the back side of the unit.

Fixed symptoms

With the above products, customers may rarely experience the following symptoms when he/she divides a recorded message into two during playback using the IC recorder. The symptoms will be fixed with this firmware update.

The following symptoms do not occur when he/she divides a message during recording.

• When trying to play back the newer part of the divided message, an error message “File Damaged” is rarely displayed and the message can not be played back.
• When playing back the newer part of the divided message, the message may be rarely played back at the speed of fast forward.
• When a recorded message is divided into two using the IC recorder, the newer part of the divided message may be rarely deleted automatically. 

Update procedure

If you have ICD-UX91F, please contact Sony Service Centre.
Without additional charge, we will update the firmware of your IC recorder ICD-UX91F at our designated location.

It is strongly recommended that you copy recorded messages and data in the IC recorder to your computer before updating the firmware, just in case data loss of the IC recorder occurs due to this firmware update.

Sony Corporation will not assume any liability to the owner of the IC recorder for any damage including data loss relating to this firmware update service.