Steps to perform MTR5-LEU2 firmware upgrade:
--------------------------------------------
- Web into the MTR5-LEU2 and login
- Click on System -> System tools -> FW Upgrade
  or
  Click on System Related -> System Tools -> Firmware Upgrade
- Click on Choose File button and select the firmware BIN file
- Click on the Upgrade button
 
- DO NOT INTERRUPT DURING THE FIRMWARE UPGRADE PROCESS.   IT WILL TAKE AT LEAST 8 to 10 MINUTES TO COMPLETE

 -   After firmware upgrade is successful, Web into the MTR5-LEU2 again and make sure it displays the correct firmware version number you just upgraded.
 -   Press and hold the reset button for minimum 10 seconds to reset the MTR5-LEU2 back to factory default settings in case there are any issues.

- NOTE: if upgrade from old firmware version v4.07 or below to the latest, you MUST perform factory default reset after new firmware upgrade

--------------------------------
October-4-2017 (Version v4.09)
--------------------------------
Firmware file name and version: 
	20171004_MultiTech_MTR5-LEU2_v409.bin
	MD5 checksum = 3557bcf66b765b5911742c517991e02d

- Fixed - web UI access using firebox browser
- Fixed - WiFi setup UI display issue
- Fixed - Packet Analyzer downloading file when UI setup has blank file name

- Added - update OpenVPN module
- Added - Cellular site survey tool (require newer hardware with serial number 40004225A and above) 
- Added - paknet emulation on serial port
- Added - TCP server on console serial port
- Added - DeviceHQ device managment (https://www.devicehq.com)
- Added - QoS based type of cellular bandwidth
- Added - show more cellular status and SIM information in log file
- Added - improve auto recovery when SIM detection and modem query failures
- Added - system watchdog to monitor WAN link and processes and auto recover
- Added - two more SMS phone range 
- Added - SFTP server 
- Added - data logging when serial ports are active

--------------------------------
November-24-2016 (Version v4.08)
--------------------------------
Firmware file name and version: 
	20161124_MultiTech_MTR5-LEU2_v408
	MD5 checksum = 9d38ae0c133d2ba3342732ef35fdfbd9

- Fixed - varies web UI issues

- Added - OpenVPN server and client 
- Added - new cellular WAN setting to allow 2G only connection
- Added - record and save log file when auto reboot occurs
- Added - enhance serial data decode information for RS232 port
- Added - improve cellular WAN connectivity, recovery and retry
- Added - SNMP support to query cellular WAN status information 
- Added - improve web UI access via cellular when celluar WAN link is at slow speed
- Added - allow IP address range when setup QoS rules
- Added - improve firmware upgrade process to avoid corruption 
- Added - detect 4G radio lockup and auto reboot to recovery
- Added - option to sync time with 4G radio clock


----------------------------
July-21-2016 (Version v4.07)
----------------------------
Firmware file name and version: 
	MultiTech_MTR5-LEU2_v407.BIN (Version v4.07)
	
- Fixed - Dyanamic IPsec VPN setup and function
- Fixed - maintain and keep realtime clock after reboot
- Fixed - varies web UI display issues
- Fixed - blank IP address in network monitoring setup after running Wizard setup
- Fixed - short timeout issue on active WAN during another WAN down.  This is when dual WANs setup (ethernet WAN and 4G WAN) is used
- Fixed - traffics reply back on wrong WAN link when dual WANs are active (ethernet WAN and 4G WAN)
- Fixed - NAT forward rules in some setup when forwarding WAN traffics to LAN

- Added - option to enable / disable roaming in 4G mobile WAN intenret setup 
- Added - Serial port parameters for control serial data transmission over TCP
- Added - Turn on Serial LED when TCP session is active
- Added - more status information on SMS status command query
- Added - query realtime clock from 4G LTE module using AT+CCLK
- Added - do not allow upload / restore corrupted configuration file
- Added - wireshark packet capture tool to capture and analyze LAN and WAN traffics
- Added - seperate "Firmware Upgrade" and "Configuration Restore" buttons in the UI under System Tools
- Added - Improve firmware upgrade process in recovery mode
- Added - when sync time from PC is selected, set the PC time into the 4G LTE radio module
- Added - Web UI shows configuration file name as “<Reset to factory defaults>” after resetting device to faulty defaults
- Added - improve 4G mobile WAN connectivity 
- Added - DHCP server does not giving out default gateway address when gateway option is set to 0.0.0.0

 
------------------------
2/4/2016 (Version v4.06)
------------------------
Firmware file name and version: 
	MultiTech_MTR5-LEU2_v406.BIN (Version v4.06)
	
- Fixed - BGP routing function
- Fixed - varies web UI text and display issues
- Fixed - no HTTP packets allow if only HTTPS access is enable
- Fixed - SMS status reply back with all current active WAN link status
- Fixed - data usage display issue in Network status
- Fixed - remove and delete all unknown received SMS messages to prevent SMS inbox from filling up
- Fixed - SMS data usage allowance reach alert notification 

- Added - option to set up a unique Site Name and display configured site name on top of the Web UI
- Added - display custom configuration file name that was loaded and currently active on top of the Web UI
- Added - new Network Monitoring option without using cellular data and it is based on "data load check" by checking the cellular WAN link receive data activity
- Added - reduce amount of data usage during Network Monitoring ICMP keep alive check on cellular WAN link
- Added - SIM LED now will blink when SIM is present and it is on solid when there is a active internet connection
- Added - change RS232 virtual comm port settings "Connection idle timeout" and "Alive Check timeout" to use second instead of minute
- Added - RS232 port now can support baud rate as low as 1200 
- Added - virtual server mapping allow up to 100 entries
- Added - network status page should time out and auto log off based web administrator time out setting
- Added - allow two SMS range of numbers for remote management only using SMS 
- Added - configure Ethernet speed and duplex on each individual Ethernet port
- Added - options to allow HTTP and/or HTTPS web UI access on LAN or WAN
- Added - Internal TCP keep alive server for remote to query via the active WAN links
- Added - custom factory default settings to replace standard factory default settings
- Added - custom Web UI login user name beside admin
- Added - after receive SMS reboot message, it will reply back to sender with an SMS message before rebooting router
- Added - when SIM card detection is not able to identify SIM status, it will auto recover and auto reboot
- Added - when carrier authentication fail too many times consecutively, it will auto recover and auto reboot
- Added - when network monitoring fail too many times consecutively, it will auto recover and auto reboot
- Added - improve HTTPS web UI access with very slow ceWAN link


--------------------------
10/13/2015 (Version v4.05)
--------------------------
Firmware file name and version: 
	MultiTech_MTR5-LEU2_v405.BIN (Version v4.05)

Bug Fixes:
- Fixed - SIM card detection issue
- Fixed - firmware upgrade using HTTPS
- Fixed - varies captive portal issues when using with www.hostpotsystem.com

Enhancements:
- Added : Improve LTE data performance and throughput by using CDC ECM interface instead of PPP when making Cellular connection.
- Added : Firmware upgrade and configuration restore using the same web UI page
- Added : Allow periodic ICMP pinging of two local LAN hosts 
- Added : new cellular APN profiles
- Added : support TR069 using HTTPS


------------------------
6/5/2015 (Version v4.04)
------------------------
Firmware file name and version: 
	MultiTech_MTR5-LEU2_v404.BIN (Version v4.04)

Bug Fixes:
- Fixed - SIM pin code unlock issue during the initiating of 4G Cellular connection
- Fixed - some language error messages
- Fixed - Web user interface can not display more than 10 entries in MAC control setup page
- Fixed - After reset to default, and then set WAN as Ethernet, SIM status don't display
- Fixed - Refresh button of 3G/4G Modem Status page
- Fixed - Syslog sending log to LAN syslog server
- Fixed - login page sometime jump to status page when MTR5 logout
- Fixed - Router stop trying after Networking monitoring failure
- Fixed - SMS management not replying back
- Fixed - Varies browser and web user interface issues
- Fixed - DDNS update issue when WAN link failover occurs
- Fixed - Seamless Failover when switching back from 4G WAN to ethernet WAN
- Fixed - Varies SMS remote management issues
- Fixed - In Virtual COM RS232 setup, removed Hardware Flow control DTR/DSR option from web UI
- Fixed - WiFi WDS mode provides no statistics
- Fixed - Virtual COM RS232 TCP client mode file transfer downloading issue
- Fixed - Virtual COM RS232 TCP client mode auto initiating first connection after power on and after internet connection is active
- Fixed - Dual Power mode LEDs on / off display issue
- Fixed - Virtual COM RS232 and TCP client mode connection problem.


Enhancements:	
- Added - re-arrange and move MMI web timeout option to the System web UI password page
- Added - enhanced web user interface setup for OSPF and BGP routing
- Added - Captive Portal for managing public WiFi HotSpot using cloud service provider www.hotspotsystem.com 
- Added - Cellular WAN link data usage allowance management 
- Added - Web user interface to allow adding server settings for easy configuration.  Servers such as Syslog, Mail, Radius, UAM, LDAP and Active directory
- Added - Cellular WAN Link Network type and scan management selection
- Added - Simplified WAN link Network Monitoring options in the Web user interface
- Added - Dual SIM switching based on data usage allowance 
- Added - Combined System related menus in the Web user interface
- Added - WISP (Wireless internet service provider).  WiFi client can be set up as WAN link and at the same time WiFi AP can be used as local Access Point
- Added - UPnP feature in System Management
- Added - Enhanced QoS set up menus in the Web user interface
- Added - Enhanced DHCP Server set up menus in the Web user interface
- Added - Enhanced the Network status page display
- Added - Auto Reboot based on time schedule
- Added - Allow a list of preconfigured AT commands to be sent to Cellular modem before making connection
- Added - method to support direct AT command mode access to the internal Cellular modem via LAN interface using Telnet or SSH
- Added - Dual SIM A/B auto switching based on network failure or data usage limit
- Added - virtual server allows multi-to-multi port range mapping
- Added - detect LTE module lockup and auto HW reset and auto recover
 
