1. Preparing 1.1. Pre-requisites 1. Prepare an image compressed file. Its name will be like Ubuntu_18.04_{OS_IF}.{PLF_IF}.{PJ_IF}.{BN}.tar.gz {OS_IF} is OS Information; e.g. UB1804X which UB means Ubuntu, 1804 means Ubuntu 18.04 and X means Desktop version. {PLF_IF} is Platform Information; e.g.NV05 III.
1.2. In Linux Host 1. Unzip image compression file on Ubuntu Host PC. $tar -zxvf Ubuntu_18.04_{OS_IF}.{PLF_IF}.{PJ_IF}.{BN}.tar.gz 2. Connect Host PC and BOXER-8251AI via micro USB. 3. Press and hold down the recovery button and then connect the power supply. Please release the recovery button after two seconds. The target board goes into recovery mode now.
2. To Flash Image 2.1. Flash Image to Board 1. Type [Ctrl] + [Alt] + [t] to open terminal on Ubuntu Host PC. 2. Enter the bootloader folder that you unzip. 3. Execute script to flash image. $ sudo ./flashall.sh 4.