1. 电脑插上 U 盘（8G 以上），刻录 img 到 U 盘
      重新拔插 U 盘（若提示是否格式化，直接忽略），打开 boot 分区
      https://github.com/yangxuan8282/phicomm-n1/releases/tag/dtb
      将 BOOT / uEnv.ini 中的 修改为 p230.dtb 或其他
    2. 拔掉 N1 电源，插上 U 盘，连接好网线，再插上电源，启动

    3. 进入路由器查找 N1 的 ip ，然后 SSH 连接 N1，执行./install.sh

    4. 完成后执行 poweroff 关机，拔掉 U 盘启动就 OK 了

    过程记录：

    1. login as: root
    2. root@aml's password:
    3.  ____  ___
    4. / ___|/ _ \__  ____  ____  __
    5. \___ \ (_) \ \/ /\ \/ /\ \/ /
    6.  ___) \__, |>  <  >  <  >  <
    7. |____/  /_//_/\_\/_/\_\/_/\_\
    10. Welcome to ARMBIAN 5.68 user-built Debian GNU/Linux 9 (stretch) 4.19.13-aml-s9xx                                                                                                             x
    11. System load:   2.28 0.70 0.25   Up time:       1 min
    12. Memory usage:  4 % of 1843MB    IP:            192.168.0.104
    13. CPU temp:      27°C
    14. Usage of /:    6% of 29G        storage/:      50% of 128M
    16. Last login: Wed Jan 16 07:50:16 2019
    18. root@aml:~# ./install.sh
    19. Start script create MBR and filesystem
    20. Start backup u-boot default
    21. 4+0 records in
    22. 4+0 records out
    23. 4194304 bytes (4.2 MB, 4.0 MiB) copied, 0.0701825 s, 59.8 MB/s
    24. Start create MBR and partittion
    25. Start restore u-boot
    26. 442+0 records in
    27. 442+0 records out
    28. 442 bytes copied, 0.00277858 s, 159 kB/s
    29. 8191+0 records in
    30. 8191+0 records out
    31. 4193792 bytes (4.2 MB, 4.0 MiB) copied, 0.282464 s, 14.8 MB/s
    32. Done
    33. Start copy system for eMMC.
    34. Formatting BOOT partition...mkfs.fat 4.1 (2017-01-24)
    35. done.
    36. Cppying BOOT...done.
    37. Edit init config...done.
    38. Formatting ROOT partition...
    39. /dev/mmcblk1p2 contains a ext4 file system labelled 'ROOT_EMMC'
    40.         last mounted on /root on Thu Jan  1 00:00:11 1970
    41. e2fsck 1.43.4 (31-Jan-2017)
    42. ROOT_EMMC: clean, 11/427392 files, 50723/1706240 blocks
    43. done.
    44. Copying ROOTFS.
    45. Copy BIN
    46. Create DEV
    47. Copy ETC
    48. Copy HOME
    49. Copy LIB
    50. Create MEDIA
    51. Create MNT
    52. Copy OPT
    53. Create PROC
    54. Copy ROOT
    55. Create RUN
    56. Copy SBIN
    57. Copy SELINUX
    58. Copy SRV
    59. Create SYS
    60. Create TMP
    61. Copy USR
    62. Copy VAR
    63. Copy fstab
    64. *******************************************
    65. Complete copy OS to eMMC
    66. *******************************************
    67. root@aml:~# poweroff