Step 2. Prepare another SD card with SD image of R35.5.0
Step 3. Replace the SD card with the one created in Step2
Step 4. Check if the bootloader in QSPI get update after you run reboot command
Step 2. Prepare another SD card with SD image of R35.5.0
Step 3. Replace the SD card with the one created in Step2
Step 4. Check if the bootloader in QSPI get update after you run reboot command