If the XVR is stuck in a boot loop:
Note: This works only if the bootloader is intact. If not, you need a serial console (TTL) or chip programmer. xvr1b04hi firmware
| Firmware Version | Date | Stability | Recommended | | :--- | :--- | :--- | :--- | | V4.000.0000000.0.R.20190720 | July 2019 | Poor (NTP/mouse bugs) | No | | V4.000.0000000.1.R.20201010 | Oct 2020 | Medium | No | | V4.000.0000000.2.R.20210320 | Mar 2021 | High | Yes | | V4.000.0000000.3.R.20211115 | Nov 2021 | Medium (cloud app issues) | Only if using P2P | | V4.002.0000000.1.R.20220808 | Aug 2022 | High | Yes (latest stable) | If the XVR is stuck in a boot loop:
Final recommendation: Flash V4.002.0000000.1.R.20220808 if available from your OEM. Avoid any "V5.x" firmware – those are for different hardware (XVR5 series). Note: This works only if the bootloader is intact
Since XVR1B04HI refers to the mainboard model rather than the final retail product name, you usually have two paths:
General OEM Sources:
New HD-TVI or IP camera models often require updated firmware on the XVR to decode video correctly, support higher resolutions, or enable features like motion detection 2.0.