Step 1,

set up TFTP server, set ip-addr 192.168.0.201, and keep ip: 192.168.0.200 reserved in the local area network.

Step 2,

Upload the kernel and application to the root directory of TFTP server, and rename the kernel and application file, respectively named kernel and application.

Step 3,

power on the phone, then continually press # key more than 5 second .The recovery system program start and automatically set ip-addr 192.168.0.200 by itself, get the kernel and application file from the TFTP server. The whole process to recover system is about 1 minute.

Использован tftpd64 для этих целей, однако влогах сервера ошибки (в брандмауэре правило на входящие соединения создано):

Connection received from 192.168.0.200 on port 1831 [19/08 12:33:11.551]

Read request for file <kernel>. Mode octet [19/08 12:33:11.551]

OACK: <timeout=5,blksize=1468,> [19/08 12:33:11.556]

Using local port 49670 [19/08 12:33:11.556]

Connection received from 192.168.0.200 on port 3997 [19/08 12:33:16.649]

Read request for file <kernel>. Mode octet [19/08 12:33:16.649]

OACK: <timeout=5,blksize=1468,> [19/08 12:33:16.649]

Using local port 49671 [19/08 12:33:16.649]

TIMEOUT waiting for Ack block #0  [19/08 12:33:36.595]

TIMEOUT waiting for Ack block #1  [19/08 12:34:06.647]

Connection received from 192.168.0.200 on port 1879 [19/08 12:35:26.748]

Read request for file <kernel>. Mode octet [19/08 12:35:26.748]

OACK: <timeout=5,blksize=1468,> [19/08 12:35:26.748]

Using local port 49677 [19/08 12:35:26.748]

Connection received from 192.168.0.200 on port 4045 [19/08 12:35:31.853]

Read request for file <kernel>. Mode octet [19/08 12:35:31.853]

OACK: <timeout=5,blksize=1468,> [19/08 12:35:31.853]

Using local port 49678 [19/08 12:35:31.853]

TIMEOUT waiting for Ack block #0  [19/08 12:35:51.810]