1.1.       Upgrade steps of mobile dvr 

1.1.1.     program

Upgrade file：5.67.67306753.327686.257_2076709331_0.img

Step 1: copy the file into SD card or harddisk(please copy the file into “rec_dir” folder, see below  picture)，make sure the file is completely copied ito the folder

Step 2  before power the device, put the SD card/HDD into the device.

Step 3 power the device

Step 4, login  in the system settings, find  Manage tool- Sys Manage - upgradetype（Choose application）- SD card or HDD，start upgrade

Step 5  on the screen , it shows “UPGRADING…”、“ do not power off”、“LOADING…”, please wait until the upgrading is completely finished, do not do anything, this is very important!!

Step 6, upgrade finish, reset mdvr device,