# 1.202 Update Problem on QA403 **URL:** \ **Category:** Uncategorized\ **Created:** [December 13, 2024, 5:01am UTC](https://forum.quantasylum.com/t/1-202-update-problem-on-qa403/1645 "2024-12-13T05:01:51Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![Claudio](https://avatars.discourse-cdn.com/v4/letter/c/7cd45c/32.png) [@Claudio](https://forum.quantasylum.com/u/Claudio)\ **Post date:** [December 13, 2024, 4:59pm UTC](https://forum.quantasylum.com/t/1-202-update-problem-on-qa403/1645/4 "2024-12-13T16:59:12Z")
Perhaps the to-do list in the following post is what you are looking for: > [@Fail Firmware update](https://forum.quantasylum.com/t/fail-firmware-update/561/6): > > Hi @jli, there are a few possibilities, and all should be recoverable without sending the unit back. The way the flash programming works on the QA402 and QA403 is as follows: When you need to re-flash an image, the QA40x application puts the hardware into an “ISP” mode, and the processor inside the QA40x attaches to your PC with the VID:PID of 0x1FC9:0x022. The QA40x app then opens the “new” device as a HID device, and an image is sent to the QA40x. You then power cycle and the new ima… --- _[View the full topic](https://forum.quantasylum.com/t/1-202-update-problem-on-qa403/1645)._