What (e.g., forgotten password, offline app, video loss) are you trying to solve right now?
A: Yes, but it is risky. Most DVRs allow downgrades via the same USB method, but sometimes the bootloader prevents it. Only downgrade if you experience specific bugs. v2.62.r07 dvr software
The V2.62.R07 firmware supports standard surveillance operations for 4, 8, or 16-channel systems. Its core features include: What (e