OpenWRT flash script for Nokia Airscale AC220i

ac220i-flash.sh

#!/bin/sh

HOST=http://192.168.10.2
KERNEL=openwrt-ipq40xx-generic-nokia_ac220i-squashfs-uImage.itb
ROOTFS=openwrt-ipq40xx-generic-nokia_ac220i-squashfs-rootfs.sqsh
HASH=sha256sums

echo "Going to /tmp"
cd /tmp

echo "Cleaning up to get some extra space"
rm -rf /var/log/* /alarm*

echo "Downloading new firmware"
wget $HOST/$KERNEL -q
wget $HOST/$ROOTFS -q

echo "Verifying firmware"
wget $HOST/$HASH -O - -q | grep -e "$KERNEL\|$ROOTFS" | sha256sum -c
if [ $? -ne 0 ]
then
  echo "ERROR: File corrupted"
  echo "Aborting, cleaning up..."
  rm -rf $KERNEL $ROOTFS
  exit
fi

echo "Creating fw_env for uboot-envtools"
echo "/dev/mtd12 0x0000 0x10000 0x10000" > /etc/fw_env.config

echo "Setting primaryboot to partA"
echo 0 > /proc/boot_info/rootfs/primaryboot
mtd write /proc/boot_info/getbinary_bootconfig /dev/mtd5
mtd write /proc/boot_info/getbinary_bootconfig /dev/mtd10

echo "Disabling partB"
fw_setenv partAversion OpenWRT
fw_setenv partBversion Wi-Fi16A_AP.xx.xx.xx
#mtd erase /dev/mtd1

echo "Backing up MAC, SN to u-boot env"
fw_setenv ethaddr $(cat /proc/eidData/MACAddress | sed -e 's/\([0-9A-Fa-f]\{2\}\)/\1:/g' -e 's/\(.*\):$/\1/')
fw_setenv serialnumber $(cat /proc/eidData/SerialNumber)

echo "Detaching UBI"
ubidetach -p /dev/mtd0 -f 2> /dev/null
ubidetach -p /dev/mtd1 -f 2> /dev/null

echo "Creating new UBI in partA"
ubiformat /dev/mtd0 -y
ubiattach -p /dev/mtd0 

echo "Creating new UBI Volume"
ubimkvol /dev/ubi0 -s $(wc -c $KERNEL | awk '{print $1}') -N kernel 
ubimkvol /dev/ubi0 -s $(wc -c $ROOTFS | awk '{print $1}') -N ubi_rootfs 
ubimkvol /dev/ubi0 -m -N rootfs_data

echo "Writing image..."
ubiupdatevol /dev/ubi0_0 $KERNEL
ubiupdatevol /dev/ubi0_1 $ROOTFS

echo "Done, system will force reboot NOW!"
sleep 2

echo b > /proc/sysrq-trigger

Nokia WI2A-AC200i Nokia WI2B-AC220i

Connect TTL althought UART with CP210x cable Jumper Header: (1). VCC (Not connect) (2). TX (3).GND (4). RX (5). Unknow (Not connect)

After that understanding UBI Commandline

Chào bạn, mình đã kết nối như hướng dẫn của bạn, nhưng chưa biết tiếp theo làm thế nào. Mình ko phải Dev nên chưa hiểu các Code như này là thế nào. Mình đang dùng Nokia WI2B-AC220i bị brick như hình. Bạn hướng dẫn sơ qua cho mình bước tiếp theo làm thế nào được ko ?