We wanted to make you aware of a critical patch update for the 36M/72M hardware A units. An issue occurred which in some cases may corrupt the flash memory of the unit causing the unit to become inoperable.
This was caused by a newly updated development environment we were using which did not have support for some hardware A flash memory chips. In addition, this issue did not show up in regression testing due to the intermittent occurrence. We sincerely apologize for this and have swiftly resolved this issue. Please note this is not a limitation of hardware A, rather a flash ID configuration issue in the development environment.
The issue would be recognized by seeing the following on the display of the 36M or 72M.
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Please also note that this only applies to 36M/72M Hardware A units. If your unit does not show Hardware-Ver-B below, then it's a hardware A unit.
Update your 36M/72M
To update your 36M or 72M, please follow the following simple steps:
- Download both the 90M.s19 and 90MB.s19 files attached to this article.
- Place the attached 90M.s19 files into the root direction of a USB drive.
- Insert USB drive into the 36M or 72M while off.
- Hold SYNC and power on 36M or 72M. The LEDS will move left and right as the firmware is updated.
- Once done, the unit will re-start and 6.1.3 will appear.
- Remove the USB drive.
- You can re-start the36M or 72M to re-confirm 6.1.3 appears. Also note that this version now includes Hardware-Ver-A on boot up where this would not appear in earlier versions.
- You are done and the patch has been successfully applied.