In all other cases, install the update within two months of release.
If the device resets its time and date every time it turns on, a firmware to v3.01.21 is the documented fix. Rear Camera Issues:
If you want, I can:
for a specific regional version of the firmware, such as for the UK or USA? dash-cam HP F870G resets every time - HP Support Community
A: No. Firmware updates are always free.
In all other cases, install the update within two months of release.
If the device resets its time and date every time it turns on, a firmware to v3.01.21 is the documented fix. Rear Camera Issues:
If you want, I can:
for a specific regional version of the firmware, such as for the UK or USA? dash-cam HP F870G resets every time - HP Support Community
A: No. Firmware updates are always free.